*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : OQ2291600 CHEMICAL NAME : Maytansine, O(sup 3)-de(2-(acetylmethylamino)-1-oxopropyl-22-demethyl- CAS REGISTRY NUMBER : 77353-66-3 LAST UPDATED : 199207 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C27-H35-Cl-N2-O8 MOLECULAR WEIGHT : 551.09 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Antibiotic C 1500 pnd-0 * 22-Demethylmaytansinol * 32-Normaytansinol *** 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 ***