Chemical Component Summary

Name CYSTEINE-S-SULFONIC ACID
Identifiers (2R)-2-amino-3-sulfosulfanyl-propanoic acid
Formula C3 H7 N O5 S2
Molecular Weight 201.221  g/mol
Type L-PEPTIDE LINKING
Isomeric SMILES N[C@@H](CSS(O)(=O)=O)C(O)=O
InChI InChI=1S/C3H7NO5S2/c4-2(3(5)6)1-10-11(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m0/s1
InChIKey NOKPBJYHPHHWAN-REOHCLBHSA-N

Chemical Details

Formal Charge 0
Atom Count 18
Chiral Atom Count 1
Chiral Atoms CA
Bond Count 17
Aromatic Bond Count 0
Leaving Atoms n/a

Drug Info: DrugBank

DrugBank ID DB04370   (Stereoisomeric match)
Name S-sulphocysteine
Groups experimental
Synonyms
  • Cysteine-S-sulfate
  • Cysteine-S-sulfonate
  • Cysteine-S-Sulfonic Acid
  • Cysteinyl-S-sulfonate
  • Cysteinyl-S-sulfonic acid
CAS number 1637-71-4
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID: 21059682