English name: L-Cysteine monohydrochloride Alias: no CAS RN Recently modified: 2008-06-27 16:59:58 Details: Structural formula: L-Cysteine hydrochloride
Molecular formula: C3H7NO2S? HCl? H2O
Molecular weight: 175.64
Source and preparation method: The hair was hydrolyzed and distilled under vacuum. After distillation, the filtrate was decolorized, filtered, neutralized with ammonia to obtain crude L-cystine, and then neutralized by dissolution. After recrystallization, the hair was redissolved and then electrolytically reduced, concentrated, cooled, crystallized and dried