cyclopentyl mercaptan
cyclopentanethiol
 
Notes:
Flavouring ingredient
  • BOC Sciences
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  • DeLong Chemicals America
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      0703 Cyclopentanethiol, Kosher
       
  • Endeavour Specialty Chemicals
    • Endeavour Specialty Chemicals Ltd
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      Endeavour Speciality Chemicals offers high-impact aroma chemicals, at small to medium scale.
      Speciality Chemical has more than 25 years experience of manufacturing high-impact aroma chemicals. With our core expertise in sulfur and heterocyclic chemistries, Endeavours products have applications in a range of industry sectors including flavours and fragrances, pharmaceutical research and material sciences. Endeavour also offer custom synthesis and contract manufacturing services at their UK manufacturing site.
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      Steady supply & demand
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      03-85600 CYCLOPENTANETHIOL
       
  • Robinson Brothers
  • Sigma-Aldrich
  • Synerzine
    • Synerzine, Inc.
      Innovation. Customization. Aroma Ingredients.
      Synerzine is a leading supplier of flavor and fragrance ingredients.
      Synerzine expresses what we have grown to embody as an organization - the synergy and connection between raw ingredients, science, technology, and the final product. Our experienced team is passionate about bringing our customers high-quality innovative ingredients that they can trust.
      Building upon our 44 year history, the Synerzine team provides customers around the globe with convenient access to over 1200 high-quality aroma ingredients. We actively engage with customers to add a wide array of new products and services on a regular basis. Our aim is to delight every customer with our exceptional services, large product selection, customization and the highest quality and safety standards. We provide our customers with true value designed to help them bring their products to market faster.
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    • TCI AMERICA
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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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      C0810 Cyclopentanethiol >98.0%(GC)
       
  • R C Treatt & Co Ltd
    • R C Treatt and Co Ltd
      Innovative ingredient solutions
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Synonyms   Articles   Notes   Search
CAS Number: 1679-07-8Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg: 216-841-3
FDA UNII: H279996YO9
Nikkaji Web: J43.297K
Beilstein Number: 2343861
MDL: MFCD00001369
CoE Number: 2321
XlogP3-AA: 1.80 (est)
Molecular Weight: 102.19970000
Formula: C5 H10 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: 516  cyclopentanethiol
DG SANTE Food Flavourings: 12.029  cyclopentanethiol
FEMA Number: 3262 cyclopentanethiol
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):1679-07-8 ; CYCLOPENTANETHIOL
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Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 97.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 0.92000 to 0.92500 @  25.00 °C.
Pounds per Gallon - (est).: 7.655 to  7.697
Refractive Index: 1.48800 to 1.49020 @  20.00 °C.
Boiling Point: 41.00 to  42.00 °C. @ 16.00 mm Hg
Boiling Point: 130.00 to  132.00 °C. @ 760.00 mm Hg
Vapor Pressure: 1.000000 mmHg @ 20.00 °C.
Vapor Density: 1.0 ( Air = 1 )
Flash Point: 77.00 °F. TCC ( 25.00 °C. )
logP (o/w): 2.377 (est)
Soluble in:
 alcohol
 oils
 water, 758 mg/L @ 25 °C (calc.)
 water, 758.1 mg/L @ 25 °C (est)
Insoluble in:
 water
Similar Items: note
allyl mercaptan
amyl mercaptan
isoamyl mercaptan
sec-amyl mercaptan
tert-amyl mercaptan
benzyl mercaptan
buchu mercaptan
butyl mercaptan
isobutyl mercaptan
tert-butyl mercaptan
cetyl mercaptan
cyclohexyl mercaptan
decyl mercaptan
dodecyl mercaptan
2-ethyl hexyl mercaptan
ethyl mercaptan
ethylene mercaptan
furfuryl mercaptan
grapefruit mercaptan
heptyl mercaptan
hexyl mercaptan
methyl mercaptan
2-naphthyl mercaptan
nonyl mercaptan
octyl mercaptan
peach mercaptan
1-phenethyl mercaptan
2-phenethyl mercaptan
phenyl mercaptan
prenyl mercaptan
propyl mercaptan
isopropyl mercaptan
2-thienyl mercaptan
3-thienyl mercaptan
tridecyl mercaptan
undecyl mercaptan
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Organoleptic Properties:
 
Odor Type: alliaceous
 
Odor Strength: high ,
recommend smelling in a 0.01 % solution or less
 
 alliaceous  onion  garlic  horseradish  vegetable  celery  eggy  
Odor Description:
at 0.01 % in propylene glycol. 
alliaceous onion garlic horseradish vegetable celery eggy
 
 alliaceous  onion  garlic  horseradish  vegetable  celery  eggy  meaty  
Odor Description:
Alliaceous, onion, garlic, horseradish, vegetable-celery, egg, sauteed meat
Mosciano, Gerard P&F 14, No. 6, 47, (1989)
 
 
Flavor Type: alliaceous
 
 alliaceous  onion  garlic  horseradish  meaty  eggy  burnt  vegetable  celery  
Taste Description:
at 2.00 ppm.  
Alliaceous, onion, garlic, horseradish, meat, egg, burned, vegetable, celery
Mosciano, Gerard P&F 14, No. 6, 47, (1989)
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
Synonyms   Articles   Notes   Search   Top
Suppliers:
BOC Sciences
For experimental / research use only.
Cyclopentanethiol
DeLong Chemicals America
Cyclopentanethiol, Kosher
Endeavour Specialty Chemicals
Cyclopentanethiol 97% F&F
Speciality Chemical Product Groups
M&U International
CYCLOPENTANETHIOL, Kosher
Penta International
CYCLOPENTANETHIOL
R C Treatt & Co Ltd
Cyclopentanethiol
Robinson Brothers
Cyclopentanethiol F&F
https://www.robinsonbrothers.uk/chemistry-competences
Santa Cruz Biotechnology
For experimental / research use only.
Cyclopentanethiol
Sigma-Aldrich
Cyclopentanethiol, ≥97%, FG
Odor: meaty; alliaceous (onion, garlic); vegetable
Certified Food Grade Products
Synerzine
Cyclopentanethiol
TCI AMERICA
For experimental / research use only.
Cyclopentanethiol >98.0%(GC)
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 10 - Flammable.
R 38 - Irritating to skin.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
S 24 - Avoid contact with skin.
S 36 - Wear suitable protective clothing.
 
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:
oral-mouse LD50  [sex: M,F (5/group)] 2680 mg/kg
Use of both sexes not clear from reference
(Oser, 1970c)

oral-mouse LD50  2680 mg/kg
Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavoring agents
Recommendation for cyclopentyl mercaptan usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): ND (μg/capita/day)
NOEL (No Observed Effect Level): 0.56 (mg/kg bw per day)
Structure Class: II
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: 5
Click here to view publication 5
 average usual ppmaverage maximum ppm
baked goods: -0.10000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: -0.10000
cheese: --
chewing gum: --
condiments / relishes: -0.10000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: -0.10000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -0.10000
milk products: -0.10000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -0.10000
sugar substitutes: --
sweet sauces: --
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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 8 (FGE.08)[1]: Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical group 20
View page or View pdf
Flavouring Group Evaluation 8, Revision 1 (FGE.08Rev1): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf
Flavouring Group Evaluation 08 Rev2 (FGE.08 Rev2): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 08, Revision 4 (FGE.08Rev4): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30
View page or View pdf
EPI System: View
EPA Substance Registry Services (TSCA): 1679-07-8
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 15510
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 3336
WGK Germany: 3
 cyclopentanethiol
Chemidplus: 0001679078
RTECS: GY4701000 for cas# 1679-07-8
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References:
 cyclopentanethiol
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 1679-07-8
Pubchem (cid): 15510
Pubchem (sid): 134981357
Pherobase: View
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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): HMDB39771
FooDB: FDB019419
Export Tariff Code: 2930.90.9190
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
FAO: Cyclopentanethiol
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Potential Blenders and core components note
 
For Odor
alliaceous
 dibutyl sulfideFL/FR
 garlic oil chinaFL/FR
 methyl furfuryl disulfideFL/FR
citrus
alpha-terpinyl methyl etherFL/FR
fermented
 ethyl (E)-2-crotonateFL/FR
fruity
 furfuryl acetateFL/FR
 hexyl (E)-tiglateFL/FR
green
1-penten-3-olFL/FR
spicy
 ethyl vinyl ketoneFL/FR
 ethyl 2-mercaptopropionateFL/FR
 ethyl methyl mercaptopropionateFL/FR
 ferula assa-foetida absoluteFL/FR
 methyl 3-(methyl thio) propionateFL/FR
2-methyl 5-(methyl thio) furanFL/FR
2-(methyl thio) phenolFL/FR
2-phenethyl isothiocyanateFL/FR
4-tropical oxathianeFL/FR
 
For Flavor
 
No flavor group found for these
 allyl methyl disulfideFL
 allyl methyl trisulfideFL
 allyl propyl disulfideFL
 allyl propyl trisulfideFL
isoamyl mercaptanFL
 diethyl trisulfideFL
 dimethyl tetrasulfideFL
 dipropyl sulfideFL
 ethyl methyl trisulfideFL
 ethyl propyl disulfideFL
 ethyl propyl trisulfideFL
 methyl butyl sulfideFL
4-pentenyl isothiocyanateFL
2-phenethyl isothiocyanateFL/FR
isopropyl disulfideFL
alliaceous
 allyl disulfideFL
 allyl mercaptanFL
 allyl thiopropionateFL
 benzyl mercaptanFL
1,3-butane dithiolFL
 chive extractFL
 chive flavorFL
 dicyclohexyl disulfideFL
 diethyl disulfideFL
 garlic oil chinaFL/FR
 leek oilFL
3-mercapto-2-pentanoneFL
 methyl 3-mercaptobutanoateFL
2-methyl thioacetaldehydeFL
3-tetrahydrothiophenoneFL
 truffle sulfideFL
buttery
 butter onion garlic flavorFL
coffee
 methyl furfuryl disulfideFL/FR
eggy
isopropyl mercaptanFL
estery
 furfuryl acetateFL/FR
fruity
4-tropical oxathianeFL/FR
garlic
 allyl methyl sulfideFL
 garlic oleoresinFL
green
 dibutyl sulfideFL/FR
 hexyl (E)-tiglateFL/FR
1-penten-3-olFL/FR
meaty
(R,S)-2-mercapto-3-butanolFL
2-(methyl thio) phenolFL/FR
bis(2-methyl-3-furyl) disulfideFL
 phenyl mercaptanFL
ortho-thiocresolFL
metallic
2,5-dihydroxy-1,4-dithianeFL
musty
 ethyl (E)-2-crotonateFL/FR
2-methyl 5-(methyl thio) furanFL/FR
onion
 ethyl 2-mercaptopropionateFL/FR
 methionolFL
 methyl propyl disulfideFL
 methyl propyl trisulfideFL
 propyl thioacetateFL
roasted
 ethyl 3-(furfuryl thio) propionateFL
seafood
1,4-dithianeFL
spicy
 ethyl vinyl ketoneFL/FR
sulfurous
 allyl sulfideFL
 butyl mercaptanFL
 diallyl polysulfidesFL
 diallyl tetrasulfideFL
 diallyl trisulfideFL
 ethyl methyl mercaptopropionateFL/FR
S-ethyl thioacetateFL
 ferula assa-foetida absoluteFL/FR
 furfuryl methyl sulfideFL
 furfuryl thiopropionateFL
3-mercapto-2-methyl pentanalFL
 methyl 4-(methyl thio) butyrateFL
2-methyl thiopheneFL
 onion oleoresinFL
vegetable
 methyl 3-(methyl thio) propionateFL/FR
 radish isothiocyanateFL
woody
alpha-terpinyl methyl etherFL/FR
 
Synonyms   Articles   Notes   Search   Top
Potential Uses:
 eggFL
 garlicFL
 horseradishFL
 meatFL
 onionFL
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 wine
Search  Picture
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Synonyms:
 cyclopentane thiol
 cyclopentanethiol
 cyclopentyl thiol
 cyclopentylmercaptan
 cyclopentylthiol
 mercaptocyclopentane
Synonyms   Articles   Notes   Search   Top
Articles:
PubMed: [Inhibitory effect on Microcystis aeruginosa as well as separation and identification of the allelochemicals of welsh onion].
PubMed: Matrix metalloproteinase inhibitors based on the 3-mercaptopyrrolidine core.
PubMed: N-(tert)-butyloxycarbonyl)-beta,beta-cyclopentyl-cysteine (acetamidomethyl)-methyl ester for synthesis of novel peptidomimetic derivatives.
PubMed: Inhibition of nitric-oxide synthase enhances antigen-induced contractions and increases release of cysteinyl-leukotrienes in guinea pig lung parenchyma: nitric oxide as a protective factor.
PubMed: Characterization of a new class of selective nonsteroidal progesterone receptor agonists.
PubMed: Glutathione analogues in cancer treatment.
PubMed: Does nitric oxide allow endothelial cells to sense hypoxia and mediate hypoxic vasodilatation? In vivo and in vitro studies.
PubMed: Intrinsic optical signals in the dorsal horn of rat spinal cord slices elicited by brief repetitive stimulation.
PubMed: Serine and alanine mutagenesis of the nine native cysteine residues of the human A(1) adenosine receptor.
PubMed: Mechanisms of inhibitory effects of zinc and cadmium ions on agonist binding to adenosine A1 receptors in rat brain.
PubMed: CNS adenosine A1 receptors are altered after the administration of convulsant 3-mercaptopropionic acid and cyclopentyladenosine: an autoradiographic study.
PubMed: New alpha-thiol dipeptide dual inhibitors of angiotensin-I converting enzyme and neutral endopeptidase EC 3.4.24.11.
PubMed: Cysteine esters protect cultured rodent lung slices from sulphur mustard.
PubMed: Inhibitory effect of selected antiviral compounds on arenavirus replication in vitro.
PubMed: Chemical modification of A1 adenosine receptors in rat brain membranes. Evidence for histidine in different domains of the ligand binding site.
PubMed: Angiotensin-converting enzyme inhibitors. New orally active antihypertensive (mercaptoalkanoyl)- and [(acylthio)alkanoyl]glycine derivatives.
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