Lynestrenol

Suppliers

Names

[ CAS No. ]:
52-76-6

[ Name ]:
Lynestrenol

[Synonym ]:
exluten
exlution
org485-50
19-Nor-4-pregnen-20-yn-17β-ol
LYNDIOL
MFCD00051135
orgametil
EINECS 200-151-4
19-Norpregn-4-en-20-yn-17-ol
(17α)-17-ethynylestr-4-en-17-ol
ethinylestrenol
Exlutena
lynoestrenol
exluton
Estr-4-en-17-ol, 17-ethynyl-, (17α)-
Lynestrenol
lynenol
exlutona

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
399.6±42.0 °C at 760 mmHg

[ Melting Point ]:
158ºC

[ Molecular Formula ]:
C₂₀H₂₈O

[ Molecular Weight ]:
284.436

[ Flash Point ]:
176.9±20.9 °C

[ Exact Mass ]:
284.214020

[ PSA ]:
20.23000

[ LogP ]:
5.83

[ Vapour Pressure ]:
0.0±2.1 mmHg at 25°C

[ Index of Refraction ]:
1.568

MSDS

Click to get detail MSDS

Toxicological Information

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

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Safety Information

[ RIDADR ]:
NONH for all modes of transport

[ RTECS ]:
RC8964300

Precursor & DownStream

Precursor

Norethindrone
Carbon
ESTRENONE
(17β)-Estr-4-en-17-ol

DownStream

4-ESTREN-17-ALPHA-ETHYNYL-6-BETA, 17-BETA-DIOL-3-ONE
19-Norpregn-4-en-20-yn-3-one,10,17-dihydroxy-, (17a)- (9CI)

Articles

Comparison of the efficacy of micronized progesterone and lynestrenol in treatment of simple endometrial hyperplasia without atypia.

Arch. Gynecol. Obstet. 290(1) , 83-6, (2014)

To evaluate the treatment of simple endometrial hyperplasia without atypia with different gestagens.Sixty premenopausal women with histologically documented endometrial hyperplasia without atypia were...

Progestogens or progestogen-releasing intrauterine systems for uterine fibroids.

Cochrane Database Syst. Rev. 2 , CD008994, (2013)

Uterine fibroids are the most common premenopausal benign uterine tumours. Fibroids can cause symptoms including heavy menstrual bleeding, pelvic pressure and pain. Progestogens can be administered by...

Lipid peroxidation in judoists using oral contraceptives.

Int. J. Sports Med. 33(10) , 781-8, (2012)

12 female judoists using oral contraceptives (OCU) containing 0.03 mg ethinylestradiol and 3 mg drospirenone for 20 ± 12 months (mean ± SD) were compared with a control group of 14 judoist noncontrace...

Lynestrenol acetate
(Z)-N-(5-(4-fluorobenzyl)thiazol-2-yl)-3-(4-isopropylphenyl)acrylamide
Bis[6-(bromomethyl)pyridin-2-yl]methanone
N-(Cyclohexylmethyl)-1-butanesulfonamide
methyl 3-(1,7-dimethyl-2,4-dioxo-8-(1-phenylethyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)propanoate
8-Quinolinol, 8-propanoate
N-(3-(benzo[d]thiazol-2-yl)phenyl)-4-(2,5-dioxopyrrolidin-1-yl)benzamide
(Z)-2-(6-methyl-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-3-phenylacrylonitrile
1-(Benzo[d]thiazol-2-yl)ethyl 4-cyanobenzoate
N-methyl-4-propylbenzenesulfonamide
4-Methylpyrrolidin-3-one

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.