pyrazinyl methyl sulfide
2-methyl mercaptopyrazine
 
Notes:
Flavouring ingredient
  • Advanced Biotech
    • Advanced Biotech. Inc.
      Inspired by Nature
      A diverse range of products, all meeting our stringent commitment to quality.
      Advanced Biotech is a leading manufacturer and supplier of high-quality Natural flavoring ingredients & botanical extracts for the food/beverage, cosmetic and personal care industries. With over 25 years of experience working with Fermentation processing & botanical extracts, we can help develop new innovative and functional products for today‪s competitive marketplace. Our company prides itself in the ability to cater to our customer‪s specific needs while maintaining our focus on integrity, honesty and the commitment to high quality product standards. We proudly offer our quality Natural ingredients to companies around the world.
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      4067 2 METHYLTHIO PYRAZINE
      SDS
       
  • Berjé
    • Berje Inc.
      Where the world comes to its senses
      Where the world comes to its senses - Berjé is a global distributor of Essential Oils and Aromatic Chemicals.
      Berjé is a family-owned business that has been in operation for six decades. The company's origins and strength lie in a profound understanding of the supply and the quality of the diverse raw materials consumed by the flavor and fragrance industries. This base was expanded upon more than two decades ago to include fragrance production. The company's unparalleled raw material expertise is focused on the supply of essential oils and aromatic chemicals. This is supported by our long-standing relationships with a worldwide fabric of producers ensuring the greatest prospects for uninterrupted supply in markets that are often volatile and unpredictable.
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      2-Methyl Thio Pyrazine
       
  • BOC Sciences
    • BOC Sciences
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      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):
      21948-70-9 2-Methylthiopyrazine
       
  • 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):
      HL0117 2-Methylthio pyrazine
       
  • M&U International
    • M&U International LLC
      Steady supply & demand
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      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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      H0021 2-METHYLTHIO PYRAZINE, Kosher
       
  • Penta International
    • Penta International Corporation
      Chemistry innovation
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      For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes.
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      Product(s):
      16-88500 PYRAZINYL METHYL SULFIDE
       
  • Sigma-Aldrich
  • Sunaux International
    • Sunaux International
      Buy With Confidence
      We have industry leading processes and procedures to ensure nothing but the most reliable product.
      Sunaux International was founded in 2012 by the owner Mr.John Felton after spending 18 years involved in developing global business in the aromatic chemicals, fragrance and flavour compounds business.
      Email: John Felton
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      H0021 2-Methylthio Pyrazine
       
  • Synerzine
    • Synerzine, Inc.
      Innovation. Customization. Aroma Ingredients.
      Synerzine is a leading supplier of flavor and fragrance ingredients.
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      512S Pyrazinylmethyl Sulfide also named 2-Methylthiopyrazine
       
  • TCI AMERICA
    • TCI AMERICA
      Moving Your Chemistry Forward
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      Tokyo Chemical Industry Co., Ltd. (TCI) is a leading worldwide manufacturer of specialty organic chemicals founded in 1946. TCI provides organic laboratory chemicals as well as pharmaceutical, cosmetic and functional materials. More than 70 years of synthesis experience and multi-purpose plants enable TCI to offer more than 30,000 products as well as custom synthesis.
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      Product(s):
      M1821 2-(Methylthio)pyrazine >98.0%(GC)
       
  • 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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      1020 2-Methylthio Pyrazine
       
Synonyms   Articles   Notes   Search
CAS Number: 21948-70-9Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg: 244-675-1
FDA UNII: R1C97E3A4F
Nikkaji Web: J225.488C
MDL: MFCD00041024
CoE Number: 2288
XlogP3: 1.20 (est)
Molecular Weight: 126.18182000
Formula: C5 H6 N2 S
NMR Predictor: Predict (works with chrome or firefox)
Category: flavoring 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
PubMed: Search
NCBI: Search
JECFA Food Flavoring: 796  pyrazinyl methyl sulfide
DG SANTE Food Flavourings: 14.034  pyrazinyl methyl sulfide
FEMA Number: 3231 pyrazinyl methyl sulfide
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):21948-70-9 ; PYRAZINYL METHYL SULFIDE
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Physical Properties:
Appearance: pale yellow to yellow solid or liquid (est)
Assay: 99.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 42.00 to  47.00 °C. @ 760.00 mm Hg
Boiling Point: 75.00 °C. @ 5.00 mm Hg
Vapor Pressure: 0.161000 mmHg @ 25.00 °C. (est)
Flash Point: > 212.00 °F. TCC ( > 100.00 °C. )
logP (o/w): 1.170
Soluble in:
 propylene glycol
 water, 9533 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
 
Odor Type: sulfurous
 
 corn chip  nutty  sulfurous  ethereal  
Odor Description:
at 0.10 % in propylene glycol. 
corn chip nutty sulfurous ether
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
Synonyms   Articles   Notes   Search   Top
Suppliers:
Advanced Biotech
2 METHYLTHIO PYRAZINE
Ambles Nature et Chimie
2-METHYL THIO PYRAZINE
Berjé
2-Methyl Thio Pyrazine
Media
BOC Sciences
For experimental / research use only.
2-Methylthiopyrazine
Carbosynth
For experimental / research use only.
2-(Methylthio)pyrazine
Jiangyin Healthway
2-Methylthio pyrazine
New functional food ingredients
Jinan Enlighten Chemical Technology(Wutong Aroma )
2-Methylthio pyrazine, Kosherk
M&U International
2-METHYLTHIO PYRAZINE, Kosher
Penta International
PYRAZINYL METHYL SULFIDE
Sigma-Aldrich
2-(Methylthio)pyrazine, ≥98%, FG
Certified Food Grade Products
Sunaux International
2-Methylthio Pyrazine
Synerzine
Pyrazinylmethyl Sulfide
also named 2-Methylthiopyrazine
TCI AMERICA
For experimental / research use only.
2-(Methylthio)pyrazine >98.0%(GC)
Tengzhou Jitian Aroma Chemiclal
2-Methylthio Pyrazine
United International
2-Methylthio Pyrazine
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 22 - Harmful if swallowed.
R 37/38 - Irritating to respiratory system and skin.
R 41 - Risk of serious damage to eyes.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
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 37/39 - Wear suitable 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:
gavage-rat LD50  [sex: M,F] 2500 mg/kg
(Posternak et al., 1975)

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavoring agents
Recommendation for pyrazinyl methyl sulfide usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.0061 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.01 (μg/capita/day)
Structure Class: III
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: 4
Click here to view publication 4
 average usual ppmaverage maximum ppm
baked goods: -1.00000
beverages(nonalcoholic): -1.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -1.00000
fruit ices: -1.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
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Safety References:
Flavor & Extract Manufacturers Association (FEMA) reference(s):
The FEMA GRAS assessment of pyrazine derivatives used as flavor ingredients. View pdf
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):
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf
Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf
Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1]
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010)
View page or View pdf
EPI System: View
AIDS Citations: Search
Cancer Citations: Search
Toxicology Citations: Search
EPA Substance Registry Services (TSCA): 21948-70-9
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 519907
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 3
 2-methylsulfanylpyrazine
Chemidplus: 0021948709
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References:
 2-methylsulfanylpyrazine
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 21948-70-9
Pubchem (cid): 519907
Pubchem (sid): 135263445
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Other Information:
(IUPAC): Atomic Weights of the Elements 2011 (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
CHEMBL: View
HMDB (The Human Metabolome Database): HMDB33152
FooDB: FDB011157
Export Tariff Code: 2933.99.8290
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
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Potential Blenders and core components note
 
For Odor
caramellic
caramellic
 geranyl crotonateFR
 popcorn pyrimidineFL/FR
floral
 autumn carboxylateFR
green
 tiglaldehydeFL/FR
herbal
 acorn acetateFR
nutty
3-acetyl pyridineFL/FR
2-acetyl-3-ethyl pyrazineFL/FR
2-acetyl-3,5(or 6)-dimethyl pyrazineFL/FR
 filbert pyrazineFL/FR
5-methyl quinoxalineFL/FR
 nutty quinoxalineFL/FR
popcorn
2-acetyl pyrazineFL/FR
2-acetyl pyridineFL/FR
2-acetyl thiazoleFL/FR
sulfurous
2-acetyl thiopheneFL/FR
 dimethyl sulfideFL/FR
 
For Flavor
 
No flavor group found for these
2-acetyl-5-methyl pyrazineFL
2-acetyl-6-methyl pyrazineFL
 diethyl sulfideFL
 ethyl dimethyl pyrazineFL
2-propionyl pyrroleFL
 pyrazineFL
 pyrroleFL
ammoniacal
2-methyl piperidineFL
bready
2-propionyl thiazoleFL
corn
2-acetyl pyridineFL/FR
2-acetyl thiazoleFL/FR
2-acetyl-2-thiazolineFL
 popcorn pyrimidineFL/FR
fruity
 tiglaldehydeFL/FR
green
2,5-dimethyl thiopheneFL
2-ethyl-5-methyl thiopheneFL
malty
 yeast thiazolineFL
meaty
 thialdineFL
nutty
3-acetyl pyridineFL/FR
2-acetyl-3-ethyl pyrazineFL/FR
2-acetyl-3,5(or 6)-dimethyl pyrazineFL/FR
 filbert pyrazineFL/FR
5-methyl quinoxalineFL/FR
 nutty quinoxalineFL/FR
 nutty thiazoleFL
onion
2-acetyl thiopheneFL/FR
roasted
2-acetyl pyrazineFL/FR
sulfurous
 dimethyl sulfideFL/FR
 
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Potential Uses:
 cauliflowerFL
 garlicFL
 leekFL
 onionFL
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Occurrence (nature, food, other): note
 hazelnut
Search Trop  Picture
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Synonyms:
2-methyl mercaptopyrazine
2-methyl thio pyrazine
(methyl thio) pyrazine
2-(methyl thio) pyrazine
2-methyl thiopyrazine
2-(methylmercapto)pyrazine
2-methylsulfanyl-pyrazine
2-(methylsulfanyl)pyrazine
2-methylsulfanylpyrazine
2-methylthio pyrazine
(methylthio)pyrazine
2-(methylthio)pyrazine
2-methylthiopyrazine
 pyrazine, 2-(methylthio)-
 pyrazinylmethyl sulfide
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