Title: Mecysteine Hydrochloride
CAS Registry Number: 18598-63-5
CAS Name: L-Cysteine methyl ester hydrochloride
Additional Names: methyl cysteine hydrochloride; methyl b-mercaptoalanine hydrochloride; methyl a-amino-b-mercaptopropionate hydrochloride
Manufacturers' Codes: LJ-48
Trademarks: Visclair (Ranbaxy)
Molecular Formula: C4H10ClNO2S
Molecular Weight: 171.65
Percent Composition: C 27.99%, H 5.87%, Cl 20.65%, N 8.16%, O 18.64%, S 18.68%
Line Formula: HSCH2CH(NH2)COOCH3.HCl
Literature References: Prepn: Bergmann, Michalis, Ber. 63, 987 (1930); Zervas, Theodoropoulos, J. Am. Chem. Soc. 78, 1359 (1956).
Properties: Crystals from methanol, mp 140-141°. [a]D20 -2.9° (methanol).
Melting point: mp 140-141°
Optical Rotation: [a]D20 -2.9° (methanol)
Therap-Cat: Mucolytic.
Keywords: Mucolytic. |