*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CL1199000 CHEMICAL NAME : Avermectin A1a, 4''-(acetylamino)-5-O-demethyl-4''-deoxy-26-((2-metho xyethoxy)methoxy)-, (4''R)- CAS REGISTRY NUMBER : 148865-00-3 LAST UPDATED : 199512 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C54-H83-N-O17 MOLECULAR WEIGHT : 1018.38 COMPOUND DESCRIPTOR : Agricultural Chemical *** 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 : >560 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 42,1786,1994 *** END OF RECORD ***