CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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JF8225200
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CHEMICAL NAME :
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18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+-)-
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CAS REGISTRY NUMBER :
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6533-00-2
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LAST UPDATED :
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199109
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DATA ITEMS CITED :
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27
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MOLECULAR FORMULA :
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C21-H28-O2
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MOLECULAR WEIGHT :
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312.49
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WISWESSER LINE NOTATION :
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L E5 B666 OV MUTJ E2 FQ F1UU1 -DL
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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5010 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 18,185,1971
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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11200 mg/kg
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TOXIC EFFECTS :
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Behavioral - somnolence (general depressed activity) Liver - other changes
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REFERENCE :
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YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 29,1479,1978
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Subcutaneous
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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>10 gm/kg
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TOXIC EFFECTS :
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Behavioral - somnolence (general depressed activity) Liver - other changes
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REFERENCE :
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YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 29,1479,1978
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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5010 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 18,185,1971
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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7300 mg/kg
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TOXIC EFFECTS :
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Behavioral - somnolence (general depressed activity) Liver - other changes
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REFERENCE :
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YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 29,1479,1978
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Subcutaneous
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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>9 gm/kg
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TOXIC EFFECTS :
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Behavioral - somnolence (general depressed activity) Liver - other changes
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REFERENCE :
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YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 29,1479,1978 ** TUMORIGENIC DATA **
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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57 mg/kg/68W-C
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TOXIC EFFECTS :
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Tumorigenic - neoplastic by RTECS criteria Skin and Appendages - tumors
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REFERENCE :
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CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1849- Volume(issue)/page/year: 168,1190,1974 ** REPRODUCTIVE DATA **
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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18 ug/kg
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SEX/DURATION :
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female 12 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - ovaries, fallopian tubes
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REFERENCE :
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FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S, Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 23,739,1972
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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4 mg/kg
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SEX/DURATION :
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female 40 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)
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REFERENCE :
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INJFA3 International Journal of Fertility. (Allen Press, 1041 New Hampshire, St., Lawrence, KS 66044) V.1- 1955- Volume(issue)/page/year: 11,401,1966
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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365 ug/kg
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SEX/DURATION :
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female 52 week(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)
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REFERENCE :
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BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 2,730,1969
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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75 ug/kg
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SEX/DURATION :
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female 5 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - menstrual cycle changes or disorders Reproductive - Fertility - other measures of fertility
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REFERENCE :
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CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 12,589,1975
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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30 ug/kg
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SEX/DURATION :
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female 30 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)
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REFERENCE :
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BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 4,489,1968
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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150 mg/kg
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SEX/DURATION :
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female 15-24 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - parturition
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REFERENCE :
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PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 123,867,1966
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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525 mg/kg
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SEX/DURATION :
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female 35 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)
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REFERENCE :
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INJFA3 International Journal of Fertility. (Allen Press, 1041 New Hampshire, St., Lawrence, KS 66044) V.1- 1955- Volume(issue)/page/year: 11,389,1966
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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548 ug/kg
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SEX/DURATION :
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female 49 week(s) pre-mating female 1-22 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)
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REFERENCE :
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CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 2,59,1970
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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210 mg/kg
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SEX/DURATION :
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female 14 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - uterus, cervix, vagina
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REFERENCE :
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FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S, Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 24,284,1973
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Subcutaneous
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DOSE :
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5 mg/kg
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SEX/DURATION :
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female 15-24 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - parturition
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REFERENCE :
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PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 123,867,1966
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Subcutaneous
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DOSE :
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60 mg/kg
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SEX/DURATION :
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female 17-20 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Specific Developmental Abnormalities - urogenital system
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REFERENCE :
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AVBIB9 Advances in the Biosciences. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1967- Volume(issue)/page/year: 13,71,1974
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Subcutaneous
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DOSE :
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700 ug/kg
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SEX/DURATION :
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female 14 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Fertility - other measures of fertility
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REFERENCE :
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CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 5,57,1972
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Subcutaneous
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DOSE :
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140 mg/kg
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SEX/DURATION :
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female 14 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - uterus, cervix, vagina
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REFERENCE :
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CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 5,57,1972
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Intramuscular
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DOSE :
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12 mg/kg
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SEX/DURATION :
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male 30 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
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REFERENCE :
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IJEBA6 Indian Journal of Experimental Biology. (Publications & Information Directorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963- Volume(issue)/page/year: 10,159,1972
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Intramuscular
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DOSE :
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19200 ug/kg
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SEX/DURATION :
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male 48 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)
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REFERENCE :
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IJEBA6 Indian Journal of Experimental Biology. (Publications & Information Directorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963- Volume(issue)/page/year: 10,159,1972
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Implant
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DOSE :
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6 mg/kg
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SEX/DURATION :
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female 17 week(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)
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REFERENCE :
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CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 12,549,1975
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TYPE OF TEST :
-
TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Intramuscular
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DOSE :
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33 mg/kg
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SEX/DURATION :
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male 94 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - other effects on male
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REFERENCE :
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IJEBA6 Indian Journal of Experimental Biology. (Publications & Information Directorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963- Volume(issue)/page/year: 7,49,1969
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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180 ug/kg
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SEX/DURATION :
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female 30 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Maternal Effects - other effects
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REFERENCE :
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IJMRAQ Indian Journal of Medical Research. (Indian Council of Medical Research, Ansari Nagar, New Delhi 110 029, India) V.1- 1913- Volume(issue)/page/year: 63,1413,1975
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Implant
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DOSE :
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600 ug/kg
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SEX/DURATION :
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female 17 week(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)
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REFERENCE :
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CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 12,549,1975 *** REVIEWS *** TOXICOLOGY REVIEW JIMRBV Journal of International Medical Research. (Cambridge Medical Pub. Ltd., 435/437 Wellingborough Rd., Northampton, NN1 4EZ, UK) V.1- 1972- Volume(issue)/page/year: 1,141,1973
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