*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EU1650000 CHEMICAL NAME : Butyrophenone, 3-(p-chlorophenyl)-2-phenyl-4'-(2-(1-pyrrolidinyl)eth oxy)-, threo- CAS REGISTRY NUMBER : 32719-36-1 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C28-H30-Cl-N-O2 MOLECULAR WEIGHT : 448.04 COMPOUND DESCRIPTOR : Reproductive Effector SYNONYMS/TRADE NAMES : * threo-3-(p-Chlorophenyl)-2-phenyl-4'-(2-(1-pyrrolidinyl)ethoxy)butyrophe none *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 25 mg/kg SEX/DURATION : female 1-5 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) REFERENCE : CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 2,199,1970 *** END OF RECORD ***