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MSDS  : 19-Nor-17-alpha-pregn-4-en-20-yn-17-ol
CAS  : 52-76-6
SYNONYMS  : * 3-Desoxynorlutin * Ethinylestrenol * delta(sup 4)-17-alpha-Ethinylestren-17-beta-ol * 17-alpha-Ethinyl-17-beta-hydroxyestr-4-ene * 17-alpha-Ethinyl-17-beta-hydroxyoestr-4-ene * Ethinyloestranol * Ethinyl oestrenol * delta(sup 4)-17-alpha-Ethinyloestren-17-beta-ol * 17-alpha-Ethynil-delta-4-estrene-17-beta-ol * Ethynylestrenol * 17-alpha-Ethynylestrenol * 17-alpha-Ethynylestr-4-en-17-beta-ol * Ethynloestrenol * 17-alpha-Ethynyloestrenol * 17-alpha-Ethynyloestr-4-en-17-beta-ol * Exluten * Exlution * Exluton * Exlutona * Linestrenol * Lynenol * Lynestrenol * Lynoestrenol * (17-alpha)-19-Norpregn-4-en-20-yn-17-ol * NSC-37725 * ORG 485-50 * Orgametil * Orgametril * Orgametrol
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : RC8964300
CHEMICAL NAME : 19-Nor-17-alpha-pregn-4-en-20-yn-17-ol
CAS REGISTRY NUMBER : 52-76-6
LAST UPDATED : 199510
DATA ITEMS CITED : 20
MOLECULAR FORMULA : C20-H28-O
MOLECULAR WEIGHT : 284.48
WISWESSER LINE NOTATION : L E5 B666 MUTJ E1 FQ F1UU1
COMPOUND DESCRIPTOR : Tumorigen
Drug
Reproductive Effector
Human
Hormone
SYNONYMS/TRADE NAMES :
* 3-Desoxynorlutin
* Ethinylestrenol
* delta(sup 4)-17-alpha-Ethinylestren-17-beta-ol
* 17-alpha-Ethinyl-17-beta-hydroxyestr-4-ene
* 17-alpha-Ethinyl-17-beta-hydroxyoestr-4-ene
* Ethinyloestranol
* Ethinyl oestrenol
* delta(sup 4)-17-alpha-Ethinyloestren-17-beta-ol
* 17-alpha-Ethynil-delta-4-estrene-17-beta-ol
* Ethynylestrenol
* 17-alpha-Ethynylestrenol
* 17-alpha-Ethynylestr-4-en-17-beta-ol
* Ethynloestrenol
* 17-alpha-Ethynyloestrenol
* 17-alpha-Ethynyloestr-4-en-17-beta-ol
* Exluten
* Exlution
* Exluton
* Exlutona
* Linestrenol
* Lynenol
* Lynestrenol
* Lynoestrenol
* (17-alpha)-19-Norpregn-4-en-20-yn-17-ol
* NSC-37725
* ORG 485-50
* Orgametil
* Orgametril
* Orgametrol

*** HEALTH HAZARD DATA ***

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - woman
DOSE : 320 ug/kg
SEX/DURATION : female 23 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects
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: 15,197,1977

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - woman
DOSE : 5600 ug/kg
SEX/DURATION : female 80 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant
per # sperm positive females; # females pregnant per # females mated)
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 8,315,1973

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - woman
DOSE : 280 ug/kg
SEX/DURATION : female 28 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders
REFERENCE :
INJFA3 International Journal of Fertility. (Allen Press, 1041 New
Hampshire, St., Lawrence, KS 66044) V.1- 1955- Volume(issue)/page/year:
18,246,1973

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Implant
SPECIES OBSERVED : Human - woman
DOSE : 5 mg/kg
SEX/DURATION : female 39 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant
per # sperm positive females; # females pregnant per # females mated)
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 18,411,1978

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 35 mg/kg
SEX/DURATION : male 14 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
accessory glands
REFERENCE :
ACENA7 Acta Endocrinologica (Copenhagen). (Periodica, Skolegade 12 E,
DK-2500 Valby, Denmark) V.1- 1948- Volume(issue)/page/year: 41,351,1962

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 7500 ug/kg
SEX/DURATION : female 1-5 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant
per # sperm positive females; # females pregnant per # females mated)
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
number of implants per female; total number of implants per corpora lutea)
REFERENCE :
CUSCAM Current Science. (Current Science Assoc., Sadashivanagar P.O.,
Bangalore 560 080, India) V.1- 1932- Volume(issue)/page/year: 50,64,1981

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 375 ug/kg
SEX/DURATION : female 3 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
ACENA7 Acta Endocrinologica (Copenhagen). (Periodica, Skolegade 12 E,
DK-2500 Valby, Denmark) V.1- 1948- Volume(issue)/page/year: 41,351,1962

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 100 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 : 80 mg/kg
SEX/DURATION : female 4 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
REFERENCE :
ACENA7 Acta Endocrinologica (Copenhagen). (Periodica, Skolegade 12 E,
DK-2500 Valby, Denmark) V.1- 1948- Volume(issue)/page/year: 41,351,1962

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE : 7500 ug/kg
SEX/DURATION : female 1-5 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant
per # sperm positive females; # females pregnant per # females mated)
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
number of implants per female; total number of implants per corpora lutea)
REFERENCE :
CUSCAM Current Science. (Current Science Assoc., Sadashivanagar P.O.,
Bangalore 560 080, India) V.1- 1932- Volume(issue)/page/year: 50,64,1981

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 20 mg/kg
SEX/DURATION : female 2-5 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 :
FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S,
Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 22,741,1971

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 9 mg/kg
SEX/DURATION : female 3 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
REFERENCE :
ACENA7 Acta Endocrinologica (Copenhagen). (Periodica, Skolegade 12 E,
DK-2500 Valby, Denmark) V.1- 1948- Volume(issue)/page/year: 47,444,1964

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 28 mg/kg
SEX/DURATION : female 14 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - ovaries, fallopian tubes
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 5,57,1972

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 280 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: 5,57,1972

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 51900 ug/kg
SEX/DURATION : female 3 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 :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 26,529,1974

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 1300 ug/kg
SEX/DURATION : female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
Reproductive - Fertility - abortion
Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
52,23,1983

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 1300 ug/kg
SEX/DURATION : female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System
Reproductive - Specific Developmental Abnormalities - eye/ear
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
52,23,1983

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 1300 ug/kg
SEX/DURATION : female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - cardiovascular
(circulatory) system
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
52,23,1983

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 6500 ug/kg
SEX/DURATION : female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - behavioral
REFERENCE :
NIAND5 NIPH Annals. (National Institute of Public Health, Postuttak, Oslo,
1, Norway) V.1- 1978- Volume(issue)/page/year: 7(2),41,1984

*** REVIEWS ***

IARC Cancer Review:Animal Inadequate Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 21,407,1979


*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol,(17-alpha)-, mixt. with (17-alpha)-19-norpregn-4-en-20-yn-17-ol 8064-76-4
19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol,3-(cyclopentyloxy)- 152-43-2
19-Norpregna-1,3,5(10)-trien-20-yn-17-ol,3-(cyclopentyloxy)-11-methyl-, (11-beta,17-alpha)- 55648-36-7
Nicotine, 1,1'-dioxide, dihydrochloride, dihydrate 55648-36-7
17-alpha-19-Norpregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy- 72-33-3
19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy-, and 6-chloro-17-hydroxypregna-4,6-diene-3,20-dione 72-33-3
19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy-, and 21-fluoro-17-hydroxy-6-methylpregna-4,6-diene-3,20-dione acetate 72-33-3
19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy-, and 17-hydroxy-6-methyl-pregna-4,6-dien-3-one acetate 72-33-3
19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy-, and 17-hydroxy-19-nor-17-alpha-pregna-4,20-dien-3-one 72-33-3
19-Nor-17-alpha-pregna-4,9,11-trien-20-yn-3-one,17-hydroxy- 848-21-5
19-Norpregna-4,9,11-trien-20-yn-3-one, 17-hydroxy-,oxime, (17-alpha)- 19636-23-8
19-Nor-17-alpha-pregna-4,9,11-trien-20-yn-3-one,17-hydroxy-, and testosterone 19636-23-8
19-Nor-17-alpha-pregn-4-ene-3,17-beta-diol, 3-acetate 101832-66-0
A-Nor-17-alpha-pregn-20-ene-2-beta,17-diol,2-ethynyl-20,21,21-trifluoro- 101832-66-0
Nicotine dustSUBSTANCE DEFINITION :Contains 4% nicotine.REFERENCE :JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-Volume(issue)/page/year: 93,407,1948 101832-66-0
19-Nor-17-alpha-pregn-4-ene-3,17-diol, 3-propionate 101832-66-0
A-Nor-17-alpha-pregn-20-ene-2-beta,17-beta-diol,2-alpha-ethynyl-20,21,21-trifluoro- 52-47-1
19-Norpregn-4-ene-3,20-dione 472-54-8
19-Norpregn-4-ene-3,20-dione,17-(acetyloxy)-11-methyl-, (11-beta)- 25092-41-5
19-Norpregn-4-ene-3,20-dione, 4-chloro- 99950-46-6
19-Norpregn-4-ene-3,20-dione,16-ethyl-21-((1-oxododecyl)oxy)-, (16-alpha)- 67490-00-0
19-Norpregn-4-ene-3,20-dione, 17-alpha-hydroxy-,acetate 67490-00-0
19-Norpregn-4-ene-3,20-dione, 17-hydroxy-, hexanoate 1253-28-7
19-Norpregn-4-ene-3,20-dione,17-hydroxy-16-methylene-, acetate 7759-35-5
19-Norpregn-9-ene-3,20-dione, 5-methyl-, (5-beta)- 130917-92-9
Nicotine, hydrochloride, (-)- 21361-93-3
19-Nor-17-alpha-pregn-4-en-17-ol 965-90-2
19-Nor-17-alpha-pregn-5-en-20-yn-17-ol 16915-71-2
19-Norpregn-17(20)-en-3-one 16915-71-2
19-Nor-17-alpha-pregn-4-en-3-one, 17,21-dihydroxy- 2436-31-9
19-Nor-17-alpha-pregn-4-en-3-one, 17-hydroxy- 52-78-8
19-Nor-17-alpha-pregn-5(10)-en-3-one, 17-hydroxy- 6318-07-6
19-Nor-17-alpha-pregn-4-en-3-one, 17-hydroxy-,acetate 18063-30-4
19-Nor-17-alpha-pregn-4-en-3-one, 17-hydroxy-, andtestosterone 18063-30-4
19-Nor-17-alpha-pregn-4-en-3-one, 17,20(or21),21-trihydroxy- 18063-30-4
19-Nor-17-alpha-pregn-4-en-20-yne-3-beta,17-diol 1231-93-2
Nicotine, hydrochloride, (+)- 69782-38-3
19-Nor-17-alpha-pregn-5(10)-en-20-yne-3-alpha,17-diol 21466-08-0
19-Nor-17-alpha-pregn-5(10)-en-20-yne-3-beta,17-diol 2307-97-3
19-Nor-17-alpha-pregn-4-en-20-yne-3-beta,17-diol,17-acetate 2061-46-3
19-Nor-17-alpha-pregn-4-en-20-yne-3,17-diol,diacetate 6785-71-3
19-Nor-17-alpha-pregn-4-en-20-yne-3-beta,17-dioldiacetate 297-76-7
19-Nor-17-alpha-pregn-5(10)-en-20-yne-3,17-beta-diol,diacetate 101858-17-7
19-Norpregn-4-en-20-yne-3-beta,17-diol, diacetate,mixt. with 3-methoxy-17-alpha-19-norpregna-1,3,5(10)-trien-20-yn-17-ol (5:1) 101858-17-7
19-Nor-17-alpha-pregn-4-en-20-yne-3,17-diol,diacetate, and 3-methoxy-19-nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol 101858-17-7
19-Nor-17-alpha-pregn-4-en-20-yne-3-beta,17-dioldiacetate mixed with 3-methoxy-19-nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol 101858-17-7
19-Nor-17-alpha-pregn-4-en-20-yne-3-beta,17-diolmixed with 3-methoxy-17-alpha-19-norpregna-1,3,5(10)-trien-20-yn-17-ol 8056-92-6
Nicotine, hydrochloride 2820-51-1
19-Nor-17-alpha-pregn-4-en-20-yn-17-ol 52-76-6
19-Nor-17-alpha-pregn-5(10)-en-20-yn-17-ol,21-chloro- 52-76-6

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