Structural Complex
Chemical ID: CSS
IUPAC Name: S-MERCAPTOCYSTEINE
Formal Charge: 0
Type: L-PEPTIDE LINKING
Physiochemical Descriptor:
Formula: C3 H7 N O2 S2
Molecular weight: 153.223
Hydrogen Bond Acceptor: 5
Hydrogen Bond Donor: 3
Rotatable Bonds: 5
Heavy Atoms: 8
Systematic name
Program Version Descriptor
ACDLabs 10.04 3-disulfanyl-L-alanine
OpenEye OEToolkits 1.5.0 (2R)-2-amino-3-disulfanyl-propanoic acid
Chemical Descriptors
Type Program Version Descriptor
SMILES ACDLabs 10.04 O=C(O)C(N)CSS
SMILES_CANONICAL CACTVS 3.341 N[C@@H](CSS)C(O)=O
SMILES CACTVS 3.341 N[CH](CSS)C(O)=O
SMILES_CANONICAL OpenEye OEToolkits 1.5.0 C([C@@H](C(=O)O)N)SS
SMILES OpenEye OEToolkits 1.5.0 C(C(C(=O)O)N)SS
InChI InChI 1.03 InChI=1S/C3H7NO2S2/c4-2(1-8-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChIKey InChI 1.03 XBKONSCREBSMCS-REOHCLBHSA-N
Chemical Database Mapping
Database Reference ID
DrugBank DB02761
PubChem 165331,45266695
ChEBI 28839,58591
SureChEMBL SCHEMBL187770