Record Information
Version 1.0
Update Date 1/22/2018 12:54:54 PM
Metabolite IDPAMDB003492
Identification
Name: S-Carboxymethyl-L-cysteine
Description:S-Carboxymethyl-L-cysteine is the side-chain carboxymethyl derivative of cysteine. It is produced during the metabolism of 3-chloro-L-alanine via the enzyme Cysteine synthase A. The reaction is 3-chloro-alanine + thioglycolate = S-carboxymethyl-L-cysteine + chloride.
Structure
Thumb
Synonyms:
  • (2R)-2-amino-3-(Carboxymethylsulfanyl)propanoate
  • (2R)-2-amino-3-(carboxymethylsulfanyl)propanoic acid
  • (2R)-2-amino-3-(Carboxymethylsulphanyl)propanoate
  • (2R)-2-amino-3-(Carboxymethylsulphanyl)propanoic acid
  • (L)-2-amino-3-(carboxymethylthio)Propionate
  • (L)-2-Amino-3-(carboxymethylthio)propionic acid
  • (R)-S-(carboxymethyl)cysteine
  • 1-Carboxymethylcysteine
  • 2-amino-3-(carboxymethylthio)Propionate
  • 2-Amino-3-(carboxymethylthio)propionic acid
  • 2-amino-3-[(Carboxymethyl)sulfanyl]propanoate
  • 2-amino-3-[(carboxymethyl)sulfanyl]propanoic acid
  • 2-amino-3-[(Carboxymethyl)sulphanyl]propanoate
  • 2-amino-3-[(Carboxymethyl)sulphanyl]propanoic acid
  • 3-((Carboxymethyl)thio)alanine
  • 3-(Carboxymethylthio)-L-alanine
  • 3-(Carboxymethylthio)alanine
  • 3-[(Carboxymethyl)thio]-L-alanine
  • 3-[(Carboxymethyl)thio]alanine
  • 5-amino-3-Thiadihexanoate
  • 5-Amino-3-thiadihexanoic acid
  • Carbocisteine
  • Carbocysteine
  • Carboxymethylated cysteine
  • Carboxymethylcysteine
  • Carboxymethylenecysteine
  • L-3-((carboxymethyl)thio)alanine
  • L-Carbocisteine
  • L-Carboxymethylcysteine
  • L-form
  • Loviscol
  • Muciclar
  • Mucocis
  • Mucodine
  • Mucodyne
  • Mucofan
  • Reomucil
  • Rhinathiol
  • S-(carboxymethyl)-(R)-cysteine
  • S-(carboxymethyl)-L-cysteine
  • S-(Carboxymethyl)cysteine
  • S-Carboxylmethyl-L-cysteine
  • S-Carboxymethylcysteine
  • S-Carboxymethylcysteine, 9CI
  • Thiodril
Chemical Formula: C5H9NO4S
Average Molecular Weight: 179.194
Monoisotopic Molecular Weight: 179.025228471
InChI Key: GBFLZEXEOZUWRN-VKHMYHEASA-N
InChI:InChI=1S/C5H9NO4S/c6-3(5(9)10)1-11-2-4(7)8/h3H,1-2,6H2,(H,7,8)(H,9,10)/t3-/m0/s1
CAS number: 2387-59-9
IUPAC Name:(2R)-2-amino-3-[(carboxymethyl)sulfanyl]propanoic acid
Traditional IUPAC Name: carbocisteine
SMILES:N[C@@H](CSCC(O)=O)C(O)=O
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of organic compounds known as s-alkyl-l-cysteines. These are cysteine derivatives that carry an alkyl chain attached to the sulfanyl group.
Kingdom Organic compounds
Super ClassOrganic acids and derivatives
Class Carboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct Parent S-alkyl-L-cysteines
Alternative Parents
Substituents
  • S-alkyl-l-cysteine
  • Dicarboxylic acid or derivatives
  • Dialkylthioether
  • Sulfenyl compound
  • Thioether
  • Carboxylic acid
  • Hydrocarbon derivative
  • Primary amine
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Primary aliphatic amine
  • Carbonyl group
  • Amine
  • Aliphatic acyclic compound
Molecular Framework Aliphatic acyclic compounds
External Descriptors
Physical Properties
State: Not Available
Charge:-1
Melting point: 204 - 207 C
Experimental Properties:
PropertyValueSource
Predicted Properties
PropertyValueSource
Water Solubility21.6 mg/mLALOGPS
logP-3.2ALOGPS
logP-3.3ChemAxon
logS-0.92ALOGPS
pKa (Strongest Acidic)1.84ChemAxon
pKa (Strongest Basic)9.14ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area100.62 Å2ChemAxon
Rotatable Bond Count5ChemAxon
Refractivity39.11 m3·mol-1ChemAxon
Polarizability16.69 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, Positivesplash10-01q9-2900000000-3125c68407eed34d9654View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-006x-9500000000-ae4a2feb1a0541a5f6f0View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00du-9100000000-611fe19d8bc07f2ccc36View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-01tc-4900000000-ea145a8cbe7b28667330View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0006-9300000000-3da087ea0d68c7cacd26View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-007c-9000000000-c648cd0af81d99915af5View in MoNA
References
References: Not Available
Synthesis Reference: Not Available
Material Safety Data Sheet (MSDS) Not Available
External Links:
ResourceLink
CHEBI ID16163
HMDB IDHMDB29415
Pubchem Compound ID193653
Kegg IDC03727
ChemSpider ID168055
Wikipedia IDNot Available
BioCyc IDNot Available
Ligand ExpoCCS