*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : KG6025000 CHEMICAL NAME : beta-Estra-1,3,5,7,9-pentaen-3,17-diol CAS REGISTRY NUMBER : 1423-97-8 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C18-H19-O2 MOLECULAR WEIGHT : 267.37 WISWESSER LINE NOTATION : L E5 B666 FV OV NHTT&&J E1 &B COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * beta-Dihydroequilenin * beta-Dihydroequilenina *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Implant SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 24 mg/kg TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - uterine tumors REFERENCE : RBBIAL Revista Brasileira de Biologia. Brazilian Review of Biology. (Academia Brasileira de Ciencias, Caixa Postal 229, ZC-00 Rio de Janeiro, Brazil) V.1- 1941- Volume(issue)/page/year: 5,1,1945 *** END OF RECORD ***