Record Information
Version 1.0
Update Date 1/22/2018 11:54:54 AM
Metabolite IDPAMDB001967
Identification
Name: Thioglycolate
Description:Thioglycolic acid (TGA) is the organic compound HSCH2CO2H. It contains both a thiol (mercaptan) and a carboxylic acid. It is a clear liquid with a strong unpleasant odor. It is readily oxidized by air to the corresponding disulfide [SCH2CO2H]2. It is use during the conversion of chloro-alanine to S-carboxymethyl-L-cysteine.
Structure
Thumb
Synonyms:
  • Mercaptoacetate
  • Mercaptoacetic acid
  • Mercaptoethanoate
  • Mercaptoethanoic acid
  • Sulfanylacetate
  • Sulfanylacetic acid
  • Sulphanylacetate
  • Sulphanylacetic acid
  • Thioglycolate
  • Thioglycolic acid
Chemical Formula: C2H4O2S
Average Molecular Weight: 92.117
Monoisotopic Molecular Weight: 91.993200062
InChI Key: CWERGRDVMFNCDR-UHFFFAOYSA-N
InChI:InChI=1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)
CAS number: 513-66-6
IUPAC Name:2-sulfanylacetic acid
Traditional IUPAC Name: thioglycolic acid
SMILES:OC(=O)CS
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of organic compounds known as alpha-mercaptocarboxylic acids. These are carboxylic acids that bear a thiol group at the C-2 position. Alpha-mercaptocarboxylic acids have the general formula RC(S)C(=O)O, where R = H, organyl group.
Kingdom Organic compounds
Super ClassOrganic acids and derivatives
Class Carboxylic acids and derivatives
Sub ClassCarboxylic acids
Direct Parent alpha-Mercaptocarboxylic acids
Alternative Parents
Substituents
  • 2-mercaptocarboxylic acid
  • Monocarboxylic acid or derivatives
  • Alkylthiol
  • Hydrocarbon derivative
  • Organosulfur compound
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular Framework Aliphatic acyclic compounds
External Descriptors
Physical Properties
State: Liquid
Charge:-1
Melting point: -16 ?C, 257 K, 3 ?F
Experimental Properties:
PropertyValueSource
Predicted Properties
PropertyValueSource
Water Solubility22.6 mg/mLALOGPS
logP0.09ALOGPS
logP0.0032ChemAxon
logS-0.61ALOGPS
pKa (Strongest Acidic)4.2ChemAxon
pKa (Strongest Basic)-9.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area37.3 Å2ChemAxon
Rotatable Bond Count1ChemAxon
Refractivity20.47 m3·mol-1ChemAxon
Polarizability8.17 Å3ChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Cytoplasm
Reactions:
Pathways: Not Available
Spectra
Spectra:
Spectrum TypeDescriptionSplash Key
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00dl-9000000000-736c16195d9580e06ed1View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00dm-9000000000-24096743c0d13e8428bfView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00di-9000000000-b79ebe5fba0e5c8a8e2aView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0006-9000000000-e017669fde59ecc72e85View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0007-9000000000-2c2f5e7df3e147dfb976View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-00dl-9000000000-29a45c351ec90e0e0715View in MoNA
References
References:
  • van der Werf, M. J., Overkamp, K. M., Muilwijk, B., Coulier, L., Hankemeier, T. (2007). "Microbial metabolomics: toward a platform with full metabolome coverage." Anal Biochem 370:17-25. Pubmed: 17765195
Synthesis Reference: Not Available
Material Safety Data Sheet (MSDS) Not Available
External Links:
ResourceLink
CHEBI ID30066
HMDB IDNot Available
Pubchem Compound ID16197111
Kegg IDC02086
ChemSpider ID17325649
Wikipediathioglycolate
BioCyc IDNot Available
Ligand ExpoMCR