*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EM2750000 CHEMICAL NAME : 2-Butenamide, N-(5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenz o(a)heptalen-7-yl)-, (S)- CAS REGISTRY NUMBER : 99481-33-1 LAST UPDATED : 198904 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C24-H27-N-O6 MOLECULAR WEIGHT : 425.52 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * N-Crotonyldeacetylcolchicine * (S)-N-(5,6,7,9-Tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo(a)heptalen-7- yl)-2-butenamide *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intramuscular SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1445 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JNPRDF Journal of Natural Products. (Spahr & Glenn Co., 225 E. Spring St., Columbus, OH 43215) V.42- 1979- Volume(issue)/page/year: 48,878,1985 *** END OF RECORD ***