3-((2-Carboxyethyl)thio)alanine 4-04-00-03151 (Beilstein Handbook Reference) 4033-46-9 ALANINE, 3-((2-CARBOXYETHYL)THIO)- Alanine, 3-((2-carboxyethyl)thio)-, L- (8CI) BRN 1725406 EINECS 223-717-2 L-3-((2-Carboxyethyl)thio)alanine S-(2-Carboxyethyl)-L-cysteine S-(2-Carboxyethyl)cysteine S-2-Carboxyethyl-L-cysteine