*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : OQ2291700 CHEMICAL NAME : Maytansine, O(sup 3)-de(2-(acetylmethylamino)-1-oxopropyl)-22-demethyl- O(sup 3)- (3-methyl-1-oxobutyl)- CAS REGISTRY NUMBER : 77353-70-9 LAST UPDATED : 199207 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C32-H43-Cl-N2-O9 MOLECULAR WEIGHT : 635.22 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Antibiotic C 15003PND-4 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2500 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EPXXDW European Patent Application. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #25898 TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >1 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JKXXAF Japanese Kokai Tokyo Koho Patents. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #80-118490 *** END OF RECORD ***