*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MT0165000 CHEMICAL NAME : Homocysteine CAS REGISTRY NUMBER : 454-28-4 LAST UPDATED : 199212 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H9-N-O2-S MOLECULAR WEIGHT : 135.20 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Butyric acid, 2-amino-4-mercapto- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >1082 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 94,1419,1974 *** END OF RECORD ***