5785. Mecysteine Hydrochloride

Nomenclature

CAS number: 18598-63-5
l-Cysteine methyl ester hydrochloride; methyl cysteine hydrochloride; methyl β-mercaptoalanine hydrochloride; methyl α-amino-β-mercaptopropionate hydrochloride; LJ-48; Visclair (Ranbaxy).
C4H10ClNO2S; mol wt 171.65.
C 27.99%, H 5.87%, Cl 20.65%, N 8.16%, O 18.64%, S 18.68%.
HSCH2CH(NH2)COOCH3.HCl.

Description and references

Prepn: Bergmann, Michalis, Ber. 63, 987 (1930); Zervas, Theodoropoulos, J. Am. Chem. Soc. 78, 1359 (1956).

Properties

Crystals from methanol, mp 140-141°. [α]D20 -2.9° (methanol).

Therapeutic Category

Mucolytic.

Keywords

Mucolytic