Record Information
Creation date2010-04-08 22:05:54 UTC
Update date2018-01-25 19:30:11 UTC
Primary IDFDB003685
Secondary Accession NumbersNot Available
Chemical Information
FooDB NameS-Allylmercaptocysteine
DescriptionS-allylmercaptocysteine, also known as samc cpd, is a member of the class of compounds known as L-cysteine-s-conjugates. L-cysteine-s-conjugates are compounds containing L-cysteine where the thio-group is conjugated. S-allylmercaptocysteine is slightly soluble (in water) and a moderately acidic compound (based on its pKa). S-allylmercaptocysteine can be found in soft-necked garlic, which makes S-allylmercaptocysteine a potential biomarker for the consumption of this food product.
CAS NumberNot Available
Predicted Properties
Water Solubility2.48 g/LALOGPS
pKa (Strongest Acidic)2.26ChemAxon
pKa (Strongest Basic)9.04ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area63.32 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity50.14 m³·mol⁻¹ChemAxon
Polarizability19.42 ųChemAxon
Number of Rings0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Chemical FormulaC6H11NO2S2
IUPAC name(2R)-2-amino-3-(prop-2-en-1-yldisulfanyl)propanoic acid
InChI IdentifierInChI=1S/C6H11NO2S2/c1-2-3-10-11-4-5(7)6(8)9/h2,5H,1,3-4,7H2,(H,8,9)/t5-/m0/s1
Average Molecular Weight193.287
Monoisotopic Molecular Weight193.023119981
DescriptionThis compound belongs to the class of organic compounds known as l-cysteine-s-conjugates. These are compounds containing L-cysteine where the thio-group is conjugated.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentL-cysteine-S-conjugates
Alternative Parents
  • L-cysteine-s-conjugate
  • Alpha-amino acid
  • L-alpha-amino acid
  • Organic disulfide
  • Allyl sulfur compound
  • Amino acid
  • Dialkyldisulfide
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Sulfenyl compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Primary amine
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxide
  • Organopnictogen compound
  • Primary aliphatic amine
  • Organic oxygen compound
  • Carbonyl group
  • Amine
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
OntologyNo ontology term
Physico-Chemical Properties - Experimental
Physico-Chemical Properties - Experimental
Physical stateNot Available
Physical DescriptionNot Available
Mass CompositionNot Available
Melting PointNot Available
Boiling PointNot Available
Experimental Water SolubilityNot Available
Experimental logPNot Available
Experimental pKaNot Available
Isoelectric pointNot Available
ChargeNot Available
Optical RotationNot Available
Spectroscopic UV DataNot Available
DensityNot Available
Refractive IndexNot Available
Spectrum TypeDescriptionSplash KeyView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-002e-3900000000-4876a22f2f5ba0f6b534JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-006x-9700000000-f5a09d9642a467e1ab95JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00dl-9100000000-90a11e14655d14dd0759JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0f6x-2900000000-46e79a840d9788690d1cJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00di-9500000000-67ea0c44aca85ab5935fJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-00dr-9200000000-9ed68e236dd62b90a9d1JSpectraViewer
ChemSpider IDNot Available
ChEMBL IDNot Available
KEGG Compound IDNot Available
Pubchem Compound IDNot Available
Pubchem Substance IDNot Available
ChEBI IDNot Available
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDNot Available
CRC / DFC (Dictionary of Food Compounds) IDNot Available
EAFUS IDNot Available
BIGG IDNot Available
KNApSAcK IDNot Available
HET IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
Flavornet IDNot Available
GoodScent IDNot Available
SuperScent IDNot Available
Wikipedia IDNot Available
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
Biological Effects and Interactions
Health Effects / Bioactivities
anti cancer35610 A substance that inhibits or prevents the proliferation of neoplasms.DUKE
anti hepatotoxic62868 Any compound that is able to prevent damage to the liver.DUKE
anti leukemic35610 A substance that inhibits or prevents the proliferation of neoplasms.DUKE
antioxidant22586 A substance that opposes oxidation or inhibits reactions brought about by dioxygen or peroxides. In European countries, E-numbers for permitted antioxidant food additives are from E 300 to E 324.DUKE
anti proliferantDUKE
anti prostate-specific-antigenDUKE
anti staphylococcic33282 A substance that kills or slows the growth of bacteria.DUKE
antitumor35610 A substance that inhibits or prevents the proliferation of neoplasms.DUKE
hepatoprotective62868 Any compound that is able to prevent damage to the liver.DUKE
EnzymesNot Available
PathwaysNot Available
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
FlavoursNot Available
MSDSNot Available
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference— Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004).