Physical and Chemical Properties | Cefotiam Dihydrochloride: C18H23N9O4S3? 2HCl. [66309-69-1]. White to light yellow crystals. Soluble in methanol, ethanol-soluble. Cefotiam Hexetil Hydroehlorie: C27H37 N9O7S3? 2HCl. [95789-30-3]. That is, 1-(cyclohexyloxycarbonyloxy) ethyl ester thereof [1-(cyclogexy-loxycarbonyloxy)ethyl ester]. White or light yellow crystal or crystalline powder, slightly odor. Soluble in water (> 1 mg/ml,Ph = 4.5) or methanol, ethanol-soluble, a few insoluble in chloroform, ethyl acetate, acetone or hexane. Acute toxicity LD50 male and female mice, male and female rats (mg/kg):1290,1150,1470,1620 intraperitoneal injection; All> 2000 subcutaneous injection; All> 5000 Oral. |