*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CL1201000 CHEMICAL NAME : Avermectin A(sub 1a), 5-O-demethyl-, (13R)-, hydrate CAS REGISTRY NUMBER : 135681-09-3 LAST UPDATED : 199406 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C48-H72-O14.H2-O MOLECULAR WEIGHT : 891.22 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 13-epi-Avm B(sub 1) hydrate * (13R)-5-O-Demethylavermectin A(sub 1a) hydrate *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 160 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 35,3873,1992 *** END OF RECORD ***