*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : RC8961200
CHEMICAL NAME : 19-Nor-17-alpha-pregn-4-en-3-one, 17-hydroxy-
CAS REGISTRY NUMBER : 52-78-8
LAST UPDATED : 199606
DATA ITEMS CITED : 27
MOLECULAR FORMULA : C20-H30-O2
MOLECULAR WEIGHT : 302.50
WISWESSER LINE NOTATION : L E5 B666 OV MUTJ E1 FQ
COMPOUND DESCRIPTOR : Mutagen
Reproductive Effector
Human
Hormone
SYNONYMS/TRADE NAMES :
* 8022 C.B.
* 17-ENT
* 17-alpha-Ethyl-17-hydroxynorandrostenone
* 17-alpha-Ethyl-17-hydroxy-4-norandrosten-3-one
* 17-alpha-Ethyl-17-hydroxy-19-norandrost-4-en-3-one
* 17-Ethyl-19-nortestosterone
* 17-alpha-Ethyl-19-nortestosterone
* 17-Hydroxy-19-norpregn-4-en-3-one
* 17-Hydroxy-19-nor-17-alpha-pregn-4-en-3-one
* 17-beta-Hydroxy-19-nor-17-alpha-pregn-4-en-3-one
* (17-alpha)-17-Hydroxy-19-norpregn-4-en-3-one
* Nileva
* Nilevar
* Norethandrolone
* 19-Norethyltestosterone
* 19-Nor-17-alpha-ethyltestosterone
* 19-Norpregn-4-en-3-one, 17-hydroxy-, (17-alpha)-
* 17-alpha-Nortestosterone
* Pronabol
* SC 5914
* Solevar
* U 6817
*** HEALTH HAZARD DATA ***
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - man
DOSE : 24 mg/kg
SEX/DURATION : male 56 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
REFERENCE :
ANYAA9 Annals of the New York Academy of Sciences. (New York Academy of
Sciences, 2 E. 63rd St., New York, NY 10021) V.1- 1877-
Volume(issue)/page/year: 71,649,1958
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - man
DOSE : 9 mg/kg
SEX/DURATION : male 21 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - impotence
REFERENCE :
ANYAA9 Annals of the New York Academy of Sciences. (New York Academy of
Sciences, 2 E. 63rd St., New York, NY 10021) V.1- 1877-
Volume(issue)/page/year: 71,649,1958
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - man
DOSE : 174 mg/kg
SEX/DURATION : male 58 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
REFERENCE :
RPHRA6 Recent Progress In Hormone Research. Proceedings of the Laurentian
Hormone Conference. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)
V.1- 1947- Volume(issue)/page/year: 20,545,1964
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - woman
DOSE : 64 mg/kg
SEX/DURATION : female 64 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
REFERENCE :
AJOGAH American Journal of Obstetrics and Gynecology. (C.V. Mosby Co.,
11830 Westline Industrial Dr., St. Louis, MO 63146) V.1- 1920-
Volume(issue)/page/year: 75,82,1958
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - man
DOSE : 24 mg/kg
SEX/DURATION : male 56 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
Reproductive - Paternal Effects - impotence
REFERENCE :
FEPRA7 Federation Proceedings, Federation of American Societies for
Experimental Biology. (Bethesda, MD) V.1-46, 1942-87.
Volume(issue)/page/year: 18,1057,1959
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - man
DOSE : 12 mg/kg
SEX/DURATION : male 28 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
REFERENCE :
FEPRA7 Federation Proceedings, Federation of American Societies for
Experimental Biology. (Bethesda, MD) V.1-46, 1942-87.
Volume(issue)/page/year: 18,1057,1959
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - woman
DOSE : 4200 ug/kg
SEX/DURATION : female 21 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H
St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year:
124,891,1956
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - woman
DOSE : 13 mg/kg
SEX/DURATION : female 21 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders
REFERENCE :
AJOGAH American Journal of Obstetrics and Gynecology. (C.V. Mosby Co.,
11830 Westline Industrial Dr., St. Louis, MO 63146) V.1- 1920-
Volume(issue)/page/year: 76,626,1958
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 20 mg/kg
SEX/DURATION : female 17-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - urogenital system
REFERENCE :
ECJPAE Endocrinologia Japonica. (Japan Pub. Trading Co., Ltd., POB 5030,
Tokyo International, Tokyo, Japan) V.1- 1954- Volume(issue)/page/year:
24,77,1977
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 28 mg/kg
SEX/DURATION : male 14 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
accessory glands
REFERENCE :
ANYAA9 Annals of the New York Academy of Sciences. (New York Academy of
Sciences, 2 E. 63rd St., New York, NY 10021) V.1- 1877-
Volume(issue)/page/year: 71,500,1958
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 112 mg/kg
SEX/DURATION : male 14 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
ANYAA9 Annals of the New York Academy of Sciences. (New York Academy of
Sciences, 2 E. 63rd St., New York, NY 10021) V.1- 1877-
Volume(issue)/page/year: 71,500,1958
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 100 mg/kg
SEX/DURATION : female 4 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant
per # sperm positive females; # females pregnant per # females mated)
REFERENCE :
ENDOAO Endocrinology (Baltimore). (Williams & Wilkins Co., 428 E. Preston
St., Baltimore, MD 21203) V.1- 1917- Volume(issue)/page/year:
59,695,1956
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 15750 ug/kg
SEX/DURATION : male 21 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
Reproductive - Paternal Effects - other effects on male
REFERENCE :
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: 119,340,1965
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 200 ug/kg
SEX/DURATION : female 17-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - urogenital system
REFERENCE :
ECJPAE Endocrinologia Japonica. (Japan Pub. Trading Co., Ltd., POB 5030,
Tokyo International, Tokyo, Japan) V.1- 1954- Volume(issue)/page/year:
22,439,1975
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 3500 ug/kg
SEX/DURATION : female 35 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant
per # sperm positive females; # females pregnant per # females mated)
REFERENCE :
ENDOAO Endocrinology (Baltimore). (Williams & Wilkins Co., 428 E. Preston
St., Baltimore, MD 21203) V.1- 1917- Volume(issue)/page/year:
63,561,1958
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 60 mg/kg
SEX/DURATION : male 30 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
Reproductive - Paternal Effects - testes, epididymis, sperm duct
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
accessory glands
REFERENCE :
AAMMAU Archives d'Anatomie Microscopique et de Morphologie Experimentale.
(SPPIF, B.P.22, F-41353 Vineuil, France) V.36-76, 1947-1987. For publisher
information, see BSTME2. Volume(issue)/page/year: 48,199,1959
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 1400 ug/kg
SEX/DURATION : female 14 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - ovaries, fallopian tubes
Reproductive - Fertility - other measures of fertility
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 5,489,1972
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 14 mg/kg
SEX/DURATION : female 14 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 5,489,1972
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE : 150 mg/kg
SEX/DURATION : female 30 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
RPHRA6 Recent Progress In Hormone Research. Proceedings of the Laurentian
Hormone Conference. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)
V.1- 1947- Volume(issue)/page/year: 20,395,1964
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 1600 ug/kg
SEX/DURATION : female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press,
1965 Volume(issue)/page/year: -,150,1965
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE : 320 ug/kg
SEX/DURATION : female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press,
1965 Volume(issue)/page/year: -,150,1965
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 1500 ug/kg
SEX/DURATION : female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
REFERENCE :
85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press,
1965 Volume(issue)/page/year: -,57,1965
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 2500 ug/kg
SEX/DURATION : female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
REFERENCE :
13OPAL "Control of Ovulation, Proceedings of the Conference, Dedham, MA,
1960," Villee, C.A., ed., Oxford, UK, Pergamon Press Ltd., 1961
Volume(issue)/page/year: -,37,1961
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rabbit
DOSE : 200 ug/kg
SEX/DURATION : female 5 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
ANREAK Anatomical Record. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY
10003) V.1- 1906/08- Volume(issue)/page/year: 142,469,1962
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rabbit
DOSE : 100 ug/kg
SEX/DURATION : female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
REFERENCE :
13OPAL "Control of Ovulation, Proceedings of the Conference, Dedham, MA,
1960," Villee, C.A., ed., Oxford, UK, Pergamon Press Ltd., 1961
Volume(issue)/page/year: -,37,1961
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - guinea pig
DOSE : 168 mg/kg
SEX/DURATION : female 42 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders
Reproductive - Fertility - other measures of fertility
REFERENCE :
JRPFA4 Journal of Reproduction and Fertility. (Biochemical Soc. Book Depot,
POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1960-
Volume(issue)/page/year: 12,489,1966
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: Sperm morphology-human
*** END OF RECORD ***