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Alternate Names: Thioserine, Cisteinum, beta-Mercaptoalanine
CAS No: 52-90-4
PubChem CID: 5862
Mol Formula: C3H7NO2S
Mol Weight: 121.16 g/mol
IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid
API Description: L-cysteine is an optically active form of cysteine having L-configuration. It has a role as a flour treatment agent, a human metabolite and an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor. It is a serine family amino acid, a proteinogenic amino acid, a cysteine and a L-alpha-amino acid. It is a conjugate base of a L-cysteinium. It is a conjugate acid of a L-cysteinate(1-). It is an enantiomer of a D-cysteine. It is a tautomer of a L-cysteine zwitterion.
