Title: Penicillamine Cysteine Disulfide
CAS Registry Number: 18840-45-4
CAS Name: 3-[[(2R)-2-Amino-2-carboxyethyl]dithio]-D-valine
Additional Names: 3,3-dimethyl-3-3¢-dithiodialanine; 1,6-diamino-5-5-dimethyl-3,4-dithiahexane-1,6-dicarboxylic acid
Molecular Formula: C8H16N2O4S2
Molecular Weight: 268.35
Percent Composition: C 35.81%, H 6.01%, N 10.44%, O 23.85%, S 23.90%
Literature References: Prepn: Tabachnick et al., Nature 174, 701 (1954); Schöberl et al., Angew. Chem. 68, 213 (1956); Schöberl, Grafje, Ann. 617, 71 (1958); Levine, Nature 187, 940 (1960).
Properties: Crystals, mp 195°.
Melting point: mp 195° |