S-[2-[1-IMINOETHYL)AMINO]ETHYL]-2-METHYL-L-CYSTEINE MALEATE CRYSTALLINE SALT

摘要

A crystalline maleate salt of S-[2-[(l -Iminoethyl)aminojethyl]-2-methyl-L- cysteine is disclosed. The crystalline salt has absorption of less than one percent water by weight at 90% R.H. at 25 ~C, a melting point of 123 ~C, and aqueous solubility in excess of 230 mg ml-I.