4-methyl 4-mercaptopentan-2-one 1% solution
4-mercapto-4-methyl-2-pentanone 1% in pg
 
Notes:
Present in Sauvignon wines
  • Augustus Oils
    • Augustus Oils Ltd
      The Premier Supplier
      Augustus Oils Ltd, in harmony with nature - to present it at its best...
      A wealth of experience, expertise and knowledge has allowed Augustus to bridge the gulf in expectation and trust between growers and users of natural ingredients. The Company works in partnership with customers on the one hand, and growers, farmers and distillers on the other. Both users and producers can then focus on exactly what they do best, while skilled Augustus technicians closely monitor and control the delivered product. This ensures users can have the confidence that they will receive the best raw materials suited to their requirements.
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      Product(s):
      4 Methyl 4 Mercaptopentanone 1%
       
  • Axxence Aromatic
  • Beijing Lys Chemicals
    • Beijing Lys Chemicals Co, LTD.
      From Grams to Tons
      Fine chemical high-tech company which contains R&D, production, and sales.
      BEIJING LYS CHEMICALS CO, LTD, established in 2004, is a fine chemical high-tech company which contains R&D, production, and sales. We mainly engaged in export and technology development of flavor and fragrance materials and pharmaceutical intermediates. We have nearly 500 kinds of products, from grams to tons, exported to USA, Europe, South Asia and etc. And we custom manufacture new products according to customers’ needs, and serve good quality products and service. Our goal is to become a fine chemical enterprise which could provide special products and services.
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      Product(s):
      10197 4-Methyl-4-mercaptopentan-2-one
       
  • BOC Sciences
    • BOC Sciences
      Best of Chemicals Supplier
      Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.
      BOC Sciences provides a wide range of services to support the pharmaceutical industry through all stages of drug discovery including Custom Synthesis of those chemicals that are not in stock, Isotope Labeling Service, Chiral Synthesis and Resolution, Bioconjugation, PEGylation services, analytical services.
      BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-informed decisions tailored to your evolving needs for premium chemicals. Our complete suite of CRO services spans the entire molecule development pipeline including contract research for target identification, building blocks, compound synthesis, biochemical and cellular analysis, preclinical animal tests, and clinical studies.
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      Product(s):
      19872-52-7 4-Methyl 4-mercaptopentan-2-one
       
  • Charkit Chemical
    • Charkit Chemical Corporation
      The Specialty Chemical Specialists
      Explore this website to discover the products and services that Charkit provides for your industry and please contact us directly to find out how we can be of service to you.
      about: Since 1982, Charkit has been committed to expanding the markets we serve as our roster of products and services continues to grow with us. Our substantial portfolio of personal care ingredients now include a wide array of luxury and exotic components to compliment the key products we have always offered. We have expanded our offerings to the nutraceutical, industrial, and resin markets with a growing roster of versatile and unique ingredients. We continue to lead the way in our traditional markets such as Metal and Water Treatment, Imaging, Flavor & Fragrance, Aroma and Food. Our Pharmaceutical offerings continue to expand, still anchored by the Boronic Derivatives that meet the demands of Suzuki coupling reactions. Please contact us to learn how we can help you reach your goals.
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      Products List: View
      Product(s):
      METHYL-4-MERCAPTOPENTAN-2-ONE 1 PPM IN TEC FEMA 3997
      METHYL-4-MERCAPTOPENTAN-2-ONE 1% IN PG FEMA 3997
      METHYL-4-MERCAPTOPENTAN-2-ONE FEMA 3997
       
  • DeLong Chemicals America
    • DeLong Chemicals America
      Custom Manufacturing
      Supplier of aroma chemicals, pharmaceutical and specialty chemical intermediates.
      DeLong Chemicals America, LLC is an extension of Shijiazhuang Lida Chemical Co, Ltd to North America, a leading supplier and manufacturer of aroma chemicals, serving the industries of food, tobacco and perfume, while also providing intermediates, custom synthesis and custom manufacturing for pharmaceutical and specialty chemical industries.
      US Email: Customer Service
      US Email: Sales
      US Voice: (203) 271-9017
      New products
      Product(s):
      0201 4-Methyl-4-mercaptopentan-2-one, Kosher
       
  • Endeavour Specialty Chemicals
  • Excellentia International
    • Excellentia International
      Ingredients by Nature
      Exceptional quality and excellence in meeting our customers requirements.
      Excellentia International was founded in 2010 through the merger of Excellentia Flavors LLC and Polarome International. Collectively, these companies account for more than one hundred years of industry experience, and are recognized for exceptional quality and excellence in meeting our customers’ requirements.
      Email: Info
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      Voice: 732.749.9840
      Our Services
      Product(s):
      4-Mercapto-4-Methyl-2-Pentanone Natural
       
  • Jiangyin Healthway
    • Jiangyin Healthway International Trade Co., Ltd
      Independent Ingredients Supplier
      We provide custom synthesis and contract manufacturing from milligrams to metric tonnes.
      Jiangyin Healthway International Trade Co., Ltd is a professional company, main engaged in manufacturing and exporting aroma chemicals ,food additives , cosmetic ingredient ,pharmaceutical intermediates & other fine chemicals; especially on aroma chemicals , as the major manufacturer of heterocyclic and sulphur aroma compounds , we are the leading independent ingredients supplier to the flavour and fragrance industries in China, can offer hundreds of different high quality aroma chemicals.
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      Product(s):
      HL0222 4-Methyl-4-mercapto-2-pentanone
       
  • M&U International
    • M&U International LLC
      Steady supply & demand
      Meeting customers increasing demands at home as well as abroad.
      M&U dedicates itself to the development and production of new products as well as continuously promoting those new products. We’ve maintained a steady supply&demand relationship with a large number of manufacturers at home and abroad. We’ve developed an extensive network and because of our relationships with these manufacturers, we’re able to provide a stable supply of great quality materials. We’re located in China’s largest communications hub, Shanghai and in the U.S. near one of the largest sea ports on the East Coast. The strategic locations of our facilities ensure convenient, prompt and secure delivery of our products to our customers.
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      Product(s):
      H0183 4-METHYL-4-MERCAPTO-2-PENTANONE, Kosher
       
  • Taytonn
    • TAYTONN PTE LTD
      Supplying Asia Pacific
      We fully understand the demands of the F&F industry and we endeavour to supply quality products, with ready availability and a personalised service.
      Since 2001 TAYTONN has been distributing key ingredients to the Fragrance and Flavor industry in Asia. We work closely with customers, principals and vendors. Together we forecast demand and match it with supply of aroma chemicals, essential oils and natural isolates & extracts. Sourced from around the world, our F&F ingredient inventory in Singapore is ready to ship to any location in Asia and beyond. Time and again, we help our principals introduce new discoveries to the F&F market - stimulating creativity and bringing value added proposition to our customers.
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      Product(s):
      4-Methyl 4-mercaptopentan-2-one (1% In PG)
      Natural 4-Methyl-4-Mercaptopentan-2-One (1% In PG)
       
  • Tianjin Danjun International
    • Tianjin Danjun International Trade Co., LTD.
      Quality Products
      We know the Chinese chemical market well.
      Tianjin danjun international trade co., LTD. is an organic chemicals trading company approved by the relevant state authorities to register. We have about 300 kinds of products (natural aroma chemicals, synthetic aroma chemicals and pharmaceutical intermediates). Most of the products are used in flavor and fragrance industry. We know the Chinese chemical market well and we have close relationship with many of the main manufacturers, and to provide our customers with quality goods together with comprehensive service.
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      Product(s):
      I-004 4-Methyl-4-mercaptopentan-2-one
       
  • R C Treatt & Co Ltd
  • United International
    • Qingdao Free Trade Zone United International Co Ltd
      Quality Products
      A partner in your supply chain solution.
      Qingdao Free Trade Zone United International Trade Co., Ltd.was founded in 1996, specializing in the production and import and export of food additives,flavor raw materials and pharmaceutical and chemical raw materials. The company has experienced R&D and business personnel,product quality, low price, efficient service and fast insight and grasp the latest market information.
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      Product(s):
      9048 4-Methyl-4-Mercapto-2-Pentanone
       
  • WholeChem
    • WholeChem, LLC
      Connecting Innovators To the Building Blocks Of the Universe
      Custom manufacturer and distributor of specialty ingredients. We make global local.
      We owe our success to our integrity, our dedication to the industry, and our commitment to our clients. We invite your inquiries regarding our current product list and any other products you may be having trouble sourcing.
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      Product(s):
      4-Methyl-4-mercapto-2-pentanone
       
Synonyms   Articles   Notes   Search
CAS Number: 19872-52-7Picture of molecule3D/inchi
% from: 1.00%
ECHA EINECS - REACH Pre-Reg: 243-386-8
FDA UNII: 9524RG5ZQL
Nikkaji Web: J104.455I
MDL: MFCD00085208
CoE Number: 11500
XlogP3-AA: 0.80 (est)
Molecular Weight: 132.22584000
Formula: C6 H12 O S
NMR Predictor: Predict (works with chrome or firefox)
Also(can) Contains: propylene glycol 99.00%
 mesityl oxide 48.00% to 50.00% 1%
EFSA/JECFA Comments: The Register name to be changed to 4-mercapto-4-methyl-2-pentanone. Min. assay value is 48% and secondary component 4-methyl-3-penten-2-one [FL-no: 07.101] 48-50% (DG SANCO, 2011);supplied as a 1% solution in propylene glycol. More than 95% identified components
Category: flavor and fragrance agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
Google Books: Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist: Search
Google Patents: Search
US Patents: Search
EU Patents: Search
Pubchem Patents: Search
JECFA Food Flavoring: 1293  4-mercapto-4-methyl-2-pentanone 1% in pg
FLAVIS Number: 12.169 (Old)
DG SANTE Food Flavourings: 12.169  2-methyl-4-oxopentane-2-thiol 1% in pg
FEMA Number: 3997  4-mercapto-4-methyl-2-pentanone 1% in pg
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):19872-52-7 ; 4-MERCAPTO-4-METHYL-2-PENTANONE
Synonyms   Articles   Notes   Search   Top
Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 0.90 to  1.10 % 
Food Chemicals Codex Listed: No
Specific Gravity: 1.03200 to 1.03700 @  25.00 °C.
Pounds per Gallon - (est).: 8.587 to  8.629
Refractive Index: 1.43100 to 1.43700 @  20.00 °C.
Boiling Point: 181.65 °C. @ 760.00 mm Hg (est)
Vapor Pressure: 0.843000 mmHg @ 25.00 °C. (est)
Flash Point: 147.00 °F. TCC ( 63.70 °C. ) (est)
logP (o/w): 1.432 (est)
Soluble in:
 alcohol
 water
 water, 1.097e+004 mg/L @ 25 °C (est)
Synonyms   Articles   Notes   Search   Top
Organoleptic Properties:
 
Odor Type: sulfurous
 
Odor Strength: high ,
recommend smelling in a 0.10 % solution or less
 
 sulfurous  meaty  catty  currant bud black currant bud  green  fruity  
Odor Description:
at 0.10 % in propylene glycol. 
sulfurous meaty catty black currant
 
Odor and/or flavor descriptions from others (if found).
 
Frutarom
4-METHYL-4-MERCAPTOPENTAN-2-ONE 1% IN PG
Odor Description: Blackcurrant, Catty, Fruity, Sulphurus
Suggested Uses: Alcoholic Beverages, Blackcurrant, Soft Fruits
 
R C Treatt & Co Ltd
4-Methyl-4-mercaptopentan-2-one neat Halal, Kosher
Odor Description: blackcurrant; somewhat green fruity "catty" odour in high dilution
 
Frutarom
4-METHYL-4-MERCAPTOPENTAN-2-ONE
Odor Description: Blackcurrant, Catty, Fruity, Sulphurus
Suggested Uses: Alcoholic Beverages, Blackcurrant, Soft Fruits
 
Taytonn
4-Methyl 4-mercaptopentan-2-one (1% In PG)
Odor Description: Catty, Fruity, Sulphurous
 
 
Synonyms   Articles   Notes   Search   Top
Cosmetic Information:
None found
Synonyms   Articles   Notes   Search   Top
Suppliers:
Augustus Oils
4 Methyl 4 Mercaptopentanone 1%
Services
Axxence Aromatic
4-MERCAPTO-4-METHYL-2-PENTANONE, 1% IN PG, Natural
Kosher
Sustainability
Beijing Lys Chemicals
4-Methyl-4-mercaptopentan-2-one
BOC Sciences
For experimental / research use only.
4-Methyl 4-mercaptopentan-2-one
Charkit Chemical
METHYL-4-MERCAPTOPENTAN-2-ONE 1 PPM IN TEC FEMA 3997
Charkit Chemical
METHYL-4-MERCAPTOPENTAN-2-ONE 1% IN PG FEMA 3997
Charkit Chemical
METHYL-4-MERCAPTOPENTAN-2-ONE FEMA 3997
DeLong Chemicals America
4-Methyl-4-mercaptopentan-2-one, Kosher
Endeavour Specialty Chemicals
4-Mercapto-4-methyl-pentan-2-one 98% F&F
Speciality Chemical Product Groups
Endeavour Specialty Chemicals
4-Mercapto-4-methylpentan-2-on (1% in TEC)
Endeavour Specialty Chemicals
4-Mercapto-4-methylpentan-2-one (1% in PG)
Endeavour Specialty Chemicals
4-Mercapto-4-methylpentan-2-one (1ppm in TEC)
Excellentia International
4-Mercapto-4-Methyl-2-Pentanone Natural
Frutarom
4-METHYL-4-MERCAPTOPENTAN-2-ONE 1% IN PG
Odor: Blackcurrant, Catty, Fruity, Sulphurus
Use: Suggested Uses: Alcoholic Beverages, Blackcurrant, Soft Fruits
Frutarom
4-METHYL-4-MERCAPTOPENTAN-2-ONE
Odor: Blackcurrant, Catty, Fruity, Sulphurus
Use: Suggested Uses: Alcoholic Beverages, Blackcurrant, Soft Fruits
Jiangyin Healthway
4-Methyl-4-mercapto-2-pentanone
New functional food ingredients
Jinan Enlighten Chemical Technology(Wutong Aroma )
4-Mercapto-4- methyl-2-pentanone Kosherk
M&U International
4-METHYL-4-MERCAPTO-2-PENTANONE, Kosher
Natural Advantage
Mercapto-4-methyl-2-pentanone, 4- Nat,1% in OH
Flavor: berry, fruity, meaty, tropical
Riverside Aromatics LTD.is the exclusive distributor for Europe in UK for any non-US based inquiries
Natural Advantage
Mercapto-4-methyl-2-pentanone, 4- Nat,1% in Triacetin Nat USOC
Flavor: berry, fruity, meaty, tropical
Natural Advantage
Mercapto-4-methyl-2-pentanone, 4- Nat,1% in Triacetin
Flavor: berry, fruity, meaty, tropical
Pearlchem Corporation
4-Methyl-4-mercapto-2-pentanone
Penta International
4-METHYL-4-MERCAPTOPENTAN-2-ONE 1% IN ETHYL ALCOHOL
Penta International
4-METHYL-4-MERCAPTOPENTAN-2-ONE 1% IN PG
Penta International
4-METHYL-4-MERCAPTOPENTAN-2-ONE NATURAL 1% IN ETHYL ALCOHOL
Penta International
4-METHYL-4-MERCAPTOPENTAN-2-ONE NATURAL 1% IN PROPYLENE GLYCOL
Penta International
4-METHYL-4-MERCAPTOPENTAN-2-ONE PURE
R C Treatt & Co Ltd
4-Mercapto-4-methylpentan-2-one 1% in PG
Kosher
R C Treatt & Co Ltd
4-Mercapto-4-Methylpentan-2-one 1ppm in TEC
Kosher
R C Treatt & Co Ltd
4-Methyl-4-mercaptopentan-2-one neat
Halal, Kosher
Odor: blackcurrant; somewhat green fruity "catty" odour in high dilution
Robinson Brothers
4-Mercapto-4-methyl-pentan-2-one F&F
https://www.robinsonbrothers.uk/chemistry-competences
Robinson Brothers
4-Mercapto-4-methylpentan-2-on (1% in TEC)
Robinson Brothers
4-Mercapto-4-methylpentan-2-one (1% in PG)
Robinson Brothers
4-Mercapto-4-methylpentan-2-one (1ppm in TEC)
Santa Cruz Biotechnology
For experimental / research use only.
4-Methyl 4-mercaptopentan-2-one ≥97.5%
Shijiazhuang Donglian Nankai Aroma Chemicals
4-Methyl-4-mercapto-2-pentanone
Odor: Roast and coffee
Sunaux International
4-Methyl-4-mercapto-2-pentanone
Synerzine
4-Methyl-4-mercapto-pentan-2-one (1% PG)
Taytonn
4-Methyl 4-mercaptopentan-2-one (1% In PG)
Odor: Catty, Fruity, Sulphurous
Taytonn
Natural 4-Methyl-4-Mercaptopentan-2-One (1% In PG)
Tengzhou Jitian Aroma Chemiclal
4-Methyl-4-mercapto-2-pentanone
Tengzhou Xiang Yuan Aroma Chemicals
4-Methyl-4-Mercapto-2-Pentanone
Tianjin Danjun International
4-Methyl-4-mercaptopentan-2-one
United International
4-Methyl-4-Mercapto-2-Pentanone
WholeChem
4-Methyl-4-mercapto-2-pentanone
Wujiang CIYUN Flavor & Fragrance
4-Methyl-4-mercaptan-2-pentanone ≥98.0%
Synonyms   Articles   Notes   Search   Top
Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 11 - Highly flammable.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Synonyms   Articles   Notes   Search   Top
Safety in Use Information:
Category: flavor and fragrance agents
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for 4-methyl 4-mercaptopentan-2-one 1% solution usage levels up to:
  0.0500 % in the fragrance concentrate.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 3.64 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.02 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 348 (μg/person/day)
Threshold of Concern:1800 (μg/person/day)
Structure Class: I
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 20
Click here to view publication 20
 average usual ppmaverage maximum ppm
baked goods: 5.0000010.00000
beverages(nonalcoholic): 0.100001.00000
beverages(alcoholic): 0.500005.00000
breakfast cereal: 0.100000.50000
cheese: --
chewing gum: 10.0000030.00000
condiments / relishes: --
confectionery froastings: 0.500005.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: 2.0000020.00000
fruit ices: 1.0000010.00000
gelatins / puddings: 0.500005.00000
granulated sugar: --
gravies: --
hard candy: 5.0000025.00000
imitation dairy: --
instant coffee / tea: 0.200002.00000
jams / jellies: 1.000005.00000
meat products: --
milk products: 0.100001.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: 1.000005.00000
soups: --
sugar substitutes: --
sweet sauces: --
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 0.600002.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 0.040001.00000
Edible ices, including sherbet and sorbet (03.0): 0.500002.00000
Processed fruit (04.1): --
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): 0.200001.50000
Confectionery (05.0): 0.750002.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.620001.00000
Bakery wares (07.0): 0.800002.00000
Meat and meat products, including poultry and game (08.0): 0.730001.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 0.100001.00000
Eggs and egg products (10.0): 0.080001.00000
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 0.450001.00000
Foodstuffs intended for particular nutritional uses (13.0): --
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 0.500001.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 0.100002.00000
Ready-to-eat savouries (15.0): 1.100005.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): --
Synonyms   Articles   Notes   Search   Top
Safety References:
European Food Safety Athority(efsa): Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
European Food Safety Authority (EFSA) reference(s):
Flavouring Group Evaluation 74 (FGE.74)[1]: Consideration of Simple Aliphatic Sulphides and Thiols evaluated by JECFA (61st meeting) Structurally related to Aliphatic and Alicyclic Mono-, Di-, Tri-, and Polysulphides with or without Additional Oxygenated Functional Groups from Chemical Group 20 evaluated by EFSA in FGE.08 (2008)
View page or View pdf
Flavouring Group Evaluation 91 (FGE.91): Consideration of simple aliphatic and aromatic sulphides and thiols evaluated by JECFA (53rd and 68th meetings) structurally related to aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups evaluated by EFSA in FGE.08Rev1 (2009)
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 74, Revision 1 (FGE.74Rev1): Consideration of Simple Aliphatic Sulphides and Thiols evaluated by the JECFA (53rd and 61st meeting) Structurally related to Aliphatic and Alicyclic Mono-, Di-, Tri-, and Polysulphides with or without Additional Oxygenated Functional Groups from Chemical Group 20 evaluated by EFSA in FGE.08Rev1 (2009)
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 74, Revision 2 (FGE.74Rev2): Consideration of Simple Aliphatic Sulphides and Thiols evaluated by the JECFA (53rd and 61st meeting) Structurally related to Aliphatic and Alicyclic Mono-, Di-, Tri-, and Polysulphides with or without Additional Oxygenated Functional Groups from Chemical Group 20 evaluated by EFSA in FGE.08Rev3 (2011)
View page or View pdf
Statement on List of Representative Substances for Testing. The current Statement lays down a list of substances in sub-groups with representative substances for which additional data are required prior to their evaluation through the Procedure (Regulation (EC) No 1565/2000).
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 91, Revision 2 (FGE.91Rev2): Consideration of simple aliphatic and aromatic sulphides and thiols evaluated by the JECFA (53rd and 68th meetings) structurally related to aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups evaluated by EFSA in FGE.08Rev5 (2012)
View page or View pdf
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 74, Revision 4 (FGE.74Rev4): Consideration of aliphatic sulphides and thiols evaluated by JECFA (53rd and 61st meeting) structurally related to aliphatic and alicyclic mono-, di-, tri- and polysulphides with or without additional oxygenated functional groups from chemical group 20 evaluated by EFSA in FGE.08Rev5
View page or View pdf
EPI System: View
EPA Substance Registry Services (TSCA): 19872-52-7
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 88290
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 1170
WGK Germany: 3
 4-methyl-4-sulfanylpentan-2-one
Chemidplus: 0019872527
Synonyms   Articles   Notes   Search   Top
References:
 4-methyl-4-sulfanylpentan-2-one
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 19872-52-7
Pubchem (cid): 88290
Pubchem (sid): 135046704
Flavornet: 19872-52-7
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS): View
CHEBI: View
HMDB (The Human Metabolome Database): HMDB31519
FooDB: FDB008119
YMDB (Yeast Metabolome Database): YMDB01415
Export Tariff Code: 2930.90.9999
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
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Potential Blenders and core components note
 
For Odor
animal
animal
 civet absoluteFL/FR
 methyl (E)-2-octenoateFL/FR
balsamic
isoamyl benzoateFL/FR
 fir carboxylateFR
 hexyl cinnamateFR
citrus
(R)-citronellyl nitrileFR
 citrus specialtyFR
2-heptanolFL/FR
 cyclohexyl formateFL/FR
fatty
3-decen-2-oneFL/FR
 hexyl pivalateFR
 methyl (E)-2-hexenoateFL/FR
 methyl 2-hexenoateFL/FR
(Z)-2-octenal 
floral
alpha-amyl cinnamaldehyde diethyl acetalFR
 boronia absoluteFL/FR
 boronia concreteFL/FR
 cassis cyclohexeneFR
gamma-damasconeFR
 dihydrocarvyl acetateFL/FR
(±)-2,3-dihydrofarnesolFL/FR
6,8-dimethyl-2-nonanolFR
(E)-geranyl acetoneFL/FR
 geranyl formateFL/FR
 geranyl isobutyrateFL/FR
 hexyl lactateFL/FR
 hexyl nonanoateFL/FR
 jasmin cyclopentanolFR
(Z)-jasmoneFL/FR
(2-methoxy-1-methyl propyl) benzeneFR
para-methyl benzyl acetateFL/FR
 methyl nerate 
 papaya isobutyrateFL/FR
 tilia cordata flower oil CO2 extractFR
fruity
 allyl amyl glycolateFR
 allyl butyrateFL/FR
3-allyl oxy-1,4-dimethyl bicyclo(3.2.1)octaneFR
isoamyl butyrateFL/FR
3-butyl bicyclo[3.2.1]-6-octen-2-oneFR
isobutyl octanoateFL/FR
isobutyl propionateFL/FR
 cherry pentenoateFL/FR
 cinnamyl hexanoateFL/FR
2-cyclopentyl cyclopentanoneFL/FR
(Z)-beta-damasconeFL/FR
1,4-dibutyl-6,8-dioxabicyclo(3.2.1)octaneFR
 diethyl malonateFL/FR
 dimethyl succinateFL/FR
 ethyl (E)-3-hexenoateFL/FR
 ethyl 2-cyclohexyl propionateFR
 ethyl 2-hexenoateFL/FR
 ethyl 2-octenoateFL/FR
 ethyl acetoacetateFL/FR
 ethyl bicyclo(2.2.1)-5-heptene-2-carboxylateFL/FR
endo-ethyl bicyclo(2.2.1)-5-heptene-2-carboxylateFR
 ethyl levulinateFL/FR
 ethyl methyl-para-tolyl glycidateFL/FR
(E,E)-ethyl sorbateFL/FR
 fig crotonateFR
 fruity butanateFR
 geranyl ethyl etherFL/FR
 geranyl isovalerateFL/FR
2-heptyl butyrateFL/FR
 heptyl isobutyrateFL/FR
 heptyl valerateFR
2-hexen-1-olFL/FR
(E)-3-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl anthranilateFL/FR
(Z)-3-hexen-1-yl isobutyrateFL/FR
 hexyl (E)-tiglateFL/FR
 hexyl acetateFL/FR
 hexyl isovalerateFL/FR
 hexyl propionateFL/FR
 hexyl valerateFL/FR
2-hydroxy-5-pentyl tetrahydrofuran 
 methyl heptanoateFL/FR
 methyl octadienoateFL/FR
 methyl valerateFL/FR
3-methyl-2-butenalFL/FR
3-methyl-4-penten-1-yl angelate 
 nerolidyl isobutyrateFR
(Z)-6-nonen-1-al dimethyl acetalFR
 octen-1-yl cyclopentanoneFL/FR
(Z)-6-octenal 
 octyl butyrateFL/FR
2-pentyl furanFL/FR
3-phenyl propyl hexanoateFL/FR
4-phenyl-2-butyl acetateFL/FR
 pineapple pentenoateFL/FR
 prenyl hexanoateFL/FR
 propylene glycol monohexanoate 
 rhubarb undecaneFR
(E,E)-sorbyl butyrateFL/FR
 sorbyl butyrateFL/FR
 tetrahydrofurfuryl butyrateFL/FR
1,3,3,5-tetramethyl-7-carbomethoxybicyclo(2.2.2)octane 
1,3,3,5-tetramethyl-8-carbomethoxybicyclo(2.2.2)octane 
 tropical specialtyFR
 tropical thiazoleFL/FR
 tropical trithianeFL/FR
green
 acetaldehyde benzyl 2-methoxyethyl acetalFL/FR
 actinidia chinensis fruit extractFL/FR
 actinidia chinensis fruit waterFR
 actinidia chinensis seed extractCS
 allyl phenethyl etherFR
beta-bisabolenal 
black currant bud absolute replacerFL/FR
3-cyclohexyl propyl isobutyrate 
3-cyclohexyl propyl propionate 
alpha-decalactoneFL/FR
 ethyl (E)-2-hexenoateFL/FR
 ethyl (E)-4-decenoateFL/FR
 galbanum specialtyFR
 green dioxolaneFR
 green note propionateFL/FR
 herbal cyclohexaneFR
(Z)-3-hexen-1-yl (E)-2-hexenoateFL/FR
(Z)-3-hexen-1-yl 2-methyl butyrateFL/FR
(Z)-3-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl hexanoateFL/FR
(Z)-3-hexen-1-yl isovalerateFL/FR
(E)-2-hexen-1-yl propionateFL/FR
(Z)-3-hexen-1-yl valerateFL/FR
(E)-2-hexen-1-yl valerateFL/FR
(E)-2-hexenal propylene glycol acetalFL/FR
3-hexenyl acetateFL/FR
(Z)-3-hexenyl methyl etherFR
 hexyl isobutyrateFL/FR
 hexyl octanoateFL/FR
 manzanate (Givaudan)FL/FR
4-mercapto-5-nonanone 
 methyl (E)-3-hexenoateFL/FR
 methyl R-3-acetoxyhexanoate 
 neogallFR
(E)-2-pentenalFL/FR
2-isopropoxy-3(5)-methyl pyrazine 
 propylene acetalFL/FR
 sorbyl isobutyrateFL/FR
(E,E)-sorbyl isobutyrateFL/FR
1-[(3aS,7aR)-3a,4,7,7a-tetrahydro-1H-inden-6-yl]ethanoneFR
 thiogeraniolFL/FR
 violet dienyneFR
herbal
9-acetyl-5-methyl-tricyclo[6.2.1.0.sup.2,7 ]undec-4-ene 
 buchu mercaptan acetateFL/FR
3-mercapto-4-heptanone 
6-methoxy-2,6-dimethyl octanalFR
 methyl ortho-anisateFL/FR
(1S,5R)-myrtenyl acetateFL/FR
2-pentyl acetateFL/FR
 tagete oil indiaFL/FR
 tricyclodecyl acetateFR
 viridiflorolFL/FR
minty
 carvyl acetateFL/FR
spicy
 cinnamyl propionateFL/FR
2,5-dimethyl bicyclo(3.2.1)-2-octen-3-yl acetate + 1,4-dimethyl bicyclo(3.2.1)-2-octen-3-yl acetateFR
 ethyl 2-mercaptopropionateFL/FR
 fish thiolFL/FR
2-mercaptopropionic acidFL/FR
4-methoxy-2-methyl butane thiolFL/FR
(S)-1-methoxy-3-heptane thiolFL/FR
 passiflora acetateFL/FR
waxy
(E,E)-2,4-dodecadien-1-ol 
trans-hexanal propylene glycol acetal 
(E)-methyl geranateFL/FR
 octyl 2-methyl butyrateFL/FR
winey
 methyl 3-acetoxyoctanoateFL/FR
woody
2-N-propoxy-3(5)-methyl pyrazine 
 verdoxanFR
 
For Flavor
 
No flavor group found for these
 acetaldehyde benzyl 2-methoxyethyl acetalFL/FR
9-acetyl-5-methyl-tricyclo[6.2.1.0.sup.2,7 ]undec-4-ene 
 actinidia chinensis fruit juiceFL
 allyl levulinateFL
 allyl tiglateFL
beta-bisabolenal 
 boronia concreteFL/FR
isobutyl octanoateFL/FR
 cinnamyl hexanoateFL/FR
3-cyclohexyl propyl isobutyrate 
3-cyclohexyl propyl propionate 
2-cyclopentyl cyclopentanoneFL/FR
alpha-decalactoneFL/FR
2,5-diethyl-4-propyl thiazoleFL
(±)-2,3-dihydrofarnesolFL/FR
(E,E)-2,4-dodecadien-1-ol 
 ethyl 2-(methyl thio) acetateFL
 ethyl 2-hexenoateFL/FR
 ethyl bicyclo(2.2.1)-5-heptene-2-carboxylateFL/FR
 geranyl ethyl etherFL/FR
2-heptyl butyrateFL/FR
trans-hexanal propylene glycol acetal 
(E)-3-hexenalFL
2-hexenalFL
2-hexenal diethyl acetalFL
(E)-2-hexenal propylene glycol acetalFL/FR
3-hexenyl acetateFL/FR
 hexyl (E)-2-hexenoateFL
 hexyl nonanoateFL/FR
 hexyl propionateFL/FR
 hexyl valerateFL/FR
2-hydroxy-5-pentyl tetrahydrofuran 
3-mercapto-4-heptanone 
4-mercapto-5-nonanone 
 methyl (E)-2-hexenoateFL/FR
 methyl 2-hexenoateFL/FR
 methyl 3-acetoxyoctanoateFL/FR
 methyl 3-hydroxybutyrateFL
(E)-methyl geranateFL/FR
 methyl nerate 
 methyl octadienoateFL/FR
 methyl ortho-anisateFL/FR
2-methyl-1-butane thiolFL
2-methyl-3-heptanoneFL
3-methyl-4-penten-1-yl angelate 
1,9-nonane dithiolFL
(E,E)-3,5-octadien-2-oneFL
(Z)-6-octenal 
(Z)-2-octenal 
3-octyl butyrateFL
4-phenyl-2-butyl acetateFL/FR
 prenyl hexanoateFL/FR
2-N-propoxy-3(5)-methyl pyrazine 
2-isopropoxy-3(5)-methyl pyrazine 
isopropyl disulfideFL
 propylene acetalFL/FR
 propylene glycol monohexanoate 
(E,E)-sorbyl butyrateFL/FR
(E,E)-sorbyl isobutyrateFL/FR
1,3,3,5-tetramethyl-7-carbomethoxybicyclo(2.2.2)octane 
1,3,3,5-tetramethyl-8-carbomethoxybicyclo(2.2.2)octane 
 viridiflorolFL/FR
 sorbyl isobutyrateFL/FR
alliaceous
1,3-butane dithiolFL
 tropical thiazoleFL/FR
animal
 civet absoluteFL/FR
berry
 heptyl isobutyrateFL/FR
(S)-1-methoxy-3-heptane thiolFL/FR
cooling
 manzanate (Givaudan)FL/FR
creamy
2,4-heptadienalFL
dairy
2-pentyl acetateFL/FR
earthy
1-hexen-3-yl acetateFL
1,8-octane dithiolFL
eggy
isopropyl mercaptanFL
estery
 ethyl acetoacetateFL/FR
fatty
 ethyl (E)-4-decenoateFL/FR
floral
 cinnamyl propionateFL/FR
 dihydrocarvyl acetateFL/FR
(E)-geranyl acetoneFL/FR
 geranyl isobutyrateFL/FR
(Z)-3-hexen-1-yl anthranilateFL/FR
fruity
isoamyl benzoateFL/FR
 boronia absoluteFL/FR
 buchu mercaptan acetateFL/FR
isobutyl propionateFL/FR
 cherry pentenoateFL/FR
black currant bud absolute replacerFL/FR
(Z)-beta-damasconeFL/FR
 diethyl malonateFL/FR
 dimethyl succinateFL/FR
 ethyl (E)-2-hexenoateFL/FR
 ethyl (E)-3-hexenoateFL/FR
 ethyl 2-octenoateFL/FR
 ethyl levulinateFL/FR
 ethyl methyl-para-tolyl glycidateFL/FR
(E,E)-ethyl sorbateFL/FR
2-heptanolFL/FR
2-hexen-1-olFL/FR
(Z)-3-hexen-1-yl (E)-2-hexenoateFL/FR
(E)-3-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl isobutyrateFL/FR
 hexyl acetateFL/FR
 hexyl lactateFL/FR
 kiwi distillatesFL
 methyl (E)-2-octenoateFL/FR
para-methyl benzyl acetateFL/FR
 methyl heptanoateFL/FR
 methyl valerateFL/FR
3-methyl-2-butenalFL/FR
(Z)-3-nonen-1-yl acetateFL
(Z)-5-octen-1-yl acetateFL
 octen-1-yl cyclopentanoneFL/FR
3-phenyl propyl hexanoateFL/FR
 pineapple pentenoateFL/FR
 sorbyl butyrateFL/FR
 tetrahydrofurfuryl butyrateFL/FR
 tropical trithianeFL/FR
green
 actinidia chinensis fruit extractFL/FR
 allyl butyrateFL/FR
 cyclohexyl formateFL/FR
3-decen-2-oneFL/FR
 geranyl formateFL/FR
 geranyl isovalerateFL/FR
 green note propionateFL/FR
(E,E)-2,4-hexadienalFL
(Z)-3-hexen-1-yl 2-methyl butyrateFL/FR
(Z)-3-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl hexanoateFL/FR
(Z)-3-hexen-1-yl isovalerateFL/FR
(E)-2-hexen-1-yl propionateFL/FR
(E)-2-hexen-1-yl valerateFL/FR
(Z)-3-hexen-1-yl valerateFL/FR
 hexyl (E)-tiglateFL/FR
 hexyl isobutyrateFL/FR
 hexyl isovalerateFL/FR
 hexyl octanoateFL/FR
 methyl (E)-3-hexenoateFL/FR
 methyl 2-undecynoateFL
 methyl R-3-acetoxyhexanoate 
 papaya isobutyrateFL/FR
(E)-2-pentenalFL/FR
2-pentyl furanFL/FR
herbal
 tagete oil indiaFL/FR
meaty
2,6-dimethyl thiophenolFL
2,5-dimethyl-3-furan thiolFL
 furfuryl 2-methyl-3-furyl disulfideFL
2-mercaptopropionic acidFL/FR
2-methyl 3-(methyl thio) furanFL
 pyrazinyl ethane thiolFL
ortho-thiocresolFL
metallic
2,5-dihydroxy-1,4-dithianeFL
minty
 carvyl acetateFL/FR
 thiogeraniolFL/FR
onion
 ethyl 2-mercaptopropionateFL/FR
pungent
 acetaldehydeFL
sour
3-methyl valeric acidFL
sulfurous
2,3-butane dithiolFL
 fish thiolFL/FR
4-methoxy-2-methyl butane thiolFL/FR
 methyl 2-methyl-3-furyl disulfideFL
tropical
 passiflora acetateFL/FR
waxy
isoamyl butyrateFL/FR
 octyl 2-methyl butyrateFL/FR
 octyl butyrateFL/FR
woody
(Z)-jasmoneFL/FR
(1S,5R)-myrtenyl acetateFL/FR
 
Synonyms   Articles   Notes   Search   Top
Potential Uses:
 citrusFR
 currant black currantFR
 fruit tropical fruitFL
 wineFR
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 grapefruit juice
Search Trop  Picture
 wine white wine
Search  Picture
 yuzu peel oil
PbMd  Search Trop  Picture
Synonyms   Articles   Notes   Search   Top
Synonyms:
 cat ketone 1% in pg
2-mercapto-2-methylpentan-4-one 1% solution
4-mercapto-4-methyl-2-pentanone 1% in pg
4-mercapto-4-methyl-2-pentanone natural
4-mercapto-4-methyl-2-pentanone, 1% in PG natural
 mercapto-4-methylpentan-2-one 1% in pg
4-mercapto-4-methylpentan-2-one 1% in PG
4-mercapto-4-methylpentan-2-one 1% solution
4-methyl 4-mercaptopentan-2-one (1% in propylene glycol)
4-methyl 4-mercaptopentan-2-one 1% in propylene glycol
4-methyl-4-mercapto-2-pentanone
4-methyl-4-mercaptopentan-2-one
4-methyl-4-mercaptopentan-2-one 1% in pg
4-methyl-4-mercaptopentan-2-one neat
4-methyl-4-mercaptopentan-2-one pure
2-methyl-4-oxopentane-2-thiol 1% in pg
4-methyl-4-sulfanylpentan-2-one 1% solution
4-methyl-4-thiolpentan-2-one 1% solution
 methylmercaptopentanone
 pentan-2-one, 4-mercapto-4-methyl- 1% solution
2-pentanone, 4-mercapto-4-methyl- 1% solution
Synonyms   Articles   Notes   Search   Top
Articles:
PubMed: Simple Quantitative Determination of Potent Thiols at Ultratrace Levels in Wine by Derivatization and High-Performance Liquid Chromatography-Tandem Mass Spectrometry (HPLC-MS/MS) Analysis.
PubMed: Development of a new stir bar sorptive extraction method for the determination of medium-level volatile thiols in wine.
PubMed: Development of a routine analysis of 4-mercapto-4-methylpentan-2-one in wine by stable isotope dilution assay and mass tandem spectrometry.
PubMed: Direct accurate analysis of cysteinylated and glutathionylated precursors of 4-mercapto-4-methyl-2-pentanone and 3-mercaptohexan-1-ol in must by ultrahigh performance liquid chromatography coupled to mass spectrometry.
PubMed: Ethyl propiolate derivatisation for the analysis of varietal thiols in wine.
PubMed: Influence of volatile thiols in the development of blackcurrant aroma in red wine.
PubMed: Sensory and chemical characterisation of the aroma of Prieto Picudo rosé wines: The differential role of autochthonous yeast strains on aroma profiles.
PubMed: Volatile compounds responsible for aroma of Jutrzenka liquer wine.
PubMed: The yeast IRC7 gene encodes a β-lyase responsible for production of the varietal thiol 4-mercapto-4-methylpentan-2-one in wine.
PubMed: Engineering Saccharomyces cerevisiae to release 3-Mercaptohexan-1-ol during fermentation through overexpression of an S. cerevisiae Gene, STR3, for improvement of wine aroma.
PubMed: Straightforward synthesis of deuterated precursors to demonstrate the biogenesis of aromatic thiols in wine.
PubMed: Evolution of S-cysteinylated and S-glutathionylated thiol precursors during oxidation of Melon B. and Sauvignon blanc musts.
PubMed: Validation of a nanoliquid chromatography-tandem mass spectrometry method for the identification and the accurate quantification by isotopic dilution of glutathionylated and cysteinylated precursors of 3-mercaptohexan-1-ol and 4-mercapto-4-methylpentan-2-one in white grape juices.
PubMed: New factor characterizing the in-mouth release of odorants (volatile thiols): compositional changes in odorants exhaled from the human nose during drinking.
PubMed: Impact of oxygen dissolved at bottling and transmitted through closures on the composition and sensory properties of a Sauvignon Blanc wine during bottle storage.
PubMed: Selective preconcentration of volatile mercaptans in small SPE cartridges: quantitative determination of trace odor-active polyfunctional mercaptans in wine.
PubMed: Novel character impact compounds in Yuzu (Citrus junos Sieb. ex Tanaka) peel oil.
PubMed: The influence of yeast on the aroma of Sauvignon Blanc wine.
PubMed: First identification of 4-S-glutathionyl-4-methylpentan-2-one, a potential precursor of 4-mercapto-4-methylpentan-2-one, in Sauvignon Blanc juice.
PubMed: Improved solid-phase extraction procedure for the isolation and in-sorbent pentafluorobenzyl alkylation of polyfunctional mercaptans. Optimized procedure and analytical applications.
PubMed: Comparison of 4-Mercapto-4-methylpentan-2-one contents in hop cultivars from different growing regions.
PubMed: Engineering volatile thiol release in Saccharomyces cerevisiae for improved wine aroma.
PubMed: Quantitative determination of wine polyfunctional mercaptans at nanogram per liter level by gas chromatography-negative ion mass spectrometric analysis of their pentafluorobenzyl derivatives.
PubMed: Modulation of volatile sulfur compounds by wine yeast.
PubMed: Occurrence of polyfunctional thiols in fresh lager beers.
PubMed: Automated analysis of 2-methyl-3-furanthiol and 3-mercaptohexyl acetate at ng L(-1) level by headspace solid-phase microextracion with on-fibre derivatisation and gas chromatography-negative chemical ionization mass spectrometric determination.
PubMed: Influence of fermentation temperature on volatile thiols concentrations in Sauvignon blanc wines.
PubMed: Genetic determinants of volatile-thiol release by Saccharomyces cerevisiae during wine fermentation.
PubMed: Influence of manufacturing conditions and crop season on the formation of 4-mercapto-4-methyl-2-pentanone in Japanese green tea (sen-cha).
PubMed: Variation in 4-mercapto-4-methyl-pentan-2-one release by Saccharomyces cerevisiae commercial wine strains.
PubMed: Characterization of the aroma of a wine from maccabeo. Key role played by compounds with low odor activity values.
PubMed: Gas chromatography-olfactometry and chemical quantitative study of the aroma of six premium quality spanish aged red wines.
PubMed: Combinatorial synthesis and sensorial properties of mercapto primary alcohols and analogues.
PubMed: Quantitative determination of sulfur-containing wine odorants at sub parts per billion levels. 2. Development and application of a stable isotope dilution assay.
PubMed: Identification of potent odorants in different green tea varieties using flavor dilution technique.
PubMed: Aroma composition changes in early season grapefruit juice produced from thermal concentration.
PubMed: Evaluation of key aroma compounds in hand-squeezed grapefruit juice (Citrus paradisi Macfayden) by quantitation and flavor reconstitution experiments.
PubMed: Measuring the aromatic potential of Vitis vinifera L. Cv. Sauvignon blanc grapes by assaying S-cysteine conjugates, precursors of the volatile thiols responsible for their varietal aroma.
PubMed: Identification of potent odorants in Japanese green tea (Sen-cha).
PubMed: Odor similarity between stress-inducing odorants in wistar rats.
PubMed: Catty odours in food: confirmation of the identity of 4-mercapto-4-methylpentan-2-one by GC-MS.
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