*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TU3724000 CHEMICAL NAME : Pregna-4,6-diene-3,20-dione, 6-chloro-17-ethyl- CAS REGISTRY NUMBER : 802-81-3 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C23-H31-Cl-O2 MOLECULAR WEIGHT : 374.99 WISWESSER LINE NOTATION : L E5 B666 OV KU MUTJ A1 E1 FV1 F2 LG COMPOUND DESCRIPTOR : Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * 6-Chloro-6-dehydro-17-alpha-ethylprogesterone * 6-Chloro-17-ethylpregna-4,6-diene-3,20-dione *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE : 500 ug/kg SEX/DURATION : female 1 day(s) pre-mating TOXIC EFFECTS : Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) REFERENCE : STEDAM Steroids. (Holden-Day Inc., 4432 Telegraph Ave., Oakland, CA 94609) V.1- 1963- Volume(issue)/page/year: 7,341,1966 *** END OF RECORD ***