797-63-7|18,19-Dinorpregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy-, (17a)-Products Supply

18,19-Dinorpregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy-, (17a)- cas no:797-63-7

Synonyms: 18,19-Dinor-17a-pregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy- (7CI,8CI);(-)-Norgestrel;13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-4-en-20-yn-3-one;13-Ethyl-17a-ethynyl-17-hydroxygon-4-en-3-one;17a-Ethynyl-13-ethyl-19-nortestosterone;17a-Ethynyl-13b-ethyl-3-oxo-4-estren-17b-ol;17a-Ethynyl-18-homo-19-nortestosterone;18-Methylnorethindrone;19-Nortestosterone, 17-ethynyl-18-methyl-;D-(-)-Norgestrel;Dexnorgestrel;Femilis;Femilis Slim;Follistrel;Jadelle;Levonorgestrel;Lng-IUS;Microlut;Microval;Mirena;Norgestrelem;Norlevo;Norplant;Norplant 2;Postinor 2;Wy 5104;d-(17a)-17-Hydroxy-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one;

Identification

Name18,19-Dinorpregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy-, (17a)-
CAS797-63-7
Synonyms18,19-Dinor-17a-pregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy- (7CI,8CI);(-)-Norgestrel;13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-4-en-20-yn-3-one;13-Ethyl-17a-ethynyl-17-hydroxygon-4-en-3-one;17a-Ethynyl-13-ethyl-19-nortestosterone;17a-Ethynyl-13b-ethyl-3-oxo-4-estren-17b-ol;17a-Ethynyl-18-homo-19-nortestosterone;18-Methylnorethindrone;19-Nortestosterone, 17-ethynyl-18-methyl-;D-(-)-Norgestrel;Dexnorgestrel;Femilis;Femilis Slim;Follistrel;Jadelle;Levonorgestrel;Lng-IUS;Microlut;Microval;Mirena;Norgestrelem;Norlevo;Norplant;Norplant 2;Postinor 2;Wy 5104;d-(17a)-17-Hydroxy-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one;
EINECS(EC#)212-349-8
Molecular FormulaC₂₁H₂₈O₂
Molecular Weight312.44582

Chemical Properties

AppearanceWhite crystalline powder
refractive index1.571
storage temp2-8°C

Safety Data

Hazard Xn:Harmful
Risk R20/21/22;R40
Safety Hazard Codes:Xn
Risk Statements:20/21/22-40
20/21/22:Harmful by inhalation, in contact with skin and if swallowed
40:Limited evidence of a carcinogenic effect
Safety Statements:22-36
22:Do not breathe dust
36:Wear suitable protective clothing
WGK Germany:3
Hazardous Substances Data:797-63-7(Hazardous Substances Data)

Toxicity

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JF8225000

CHEMICAL NAME :: 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+)-

CAS REGISTRY NUMBER :: 797-63-7

LAST UPDATED :: 199612

DATA ITEMS CITED :: 21

MOLECULAR FORMULA :: C21-H28-O2

MOLECULAR WEIGHT :: 312.49

WISWESSER LINE NOTATION :: L E5 B666 OV MUTJ E2 FQ F1UU1 -D

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1820 mg/kg/26W-I

TOXIC EFFECTS :: Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Metabolism (Intermediary) - other proteins

REFERENCE :: PHARAT Pharmazie. (VEB Verlag Volk und Gesundheit, Neue Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946- Volume(issue)/page/year: 34,319,1979 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 29 mg/kg/69W-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Skin and Appendages - tumors

REFERENCE :: 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 **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 274 ug/kg

SEX/DURATION :: female 52 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - menstrual cycle changes or disorders

REFERENCE :: FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S, Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 24,191,1973

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 20 ug/kg

SEX/DURATION :: female 1 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)

REFERENCE :: INJFA3 International Journal of Fertility. (Allen Press, 1041 New Hampshire, St., Lawrence, KS 66044) V.1- 1955- Volume(issue)/page/year: 20,156,1975

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 109 ug/kg

SEX/DURATION :: female 26 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 :: INJFA3 International Journal of Fertility. (Allen Press, 1041 New Hampshire, St., Lawrence, KS 66044) V.1- 1955- Volume(issue)/page/year: 17,17,1972

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 5 ug/kg

SEX/DURATION :: female 1 day(s) after conception

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: 7,367,1973

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 8 ug/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - menstrual cycle changes or disorders

REFERENCE :: CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 11,31,1975

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Implant

DOSE :: 38160 ng/kg

SEX/DURATION :: female 22 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - menstrual cycle changes or disorders 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 :: Implant

DOSE :: 1600 ug/kg

SEX/DURATION :: female 52 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: 12,615,1975

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 10 ug/kg

SEX/DURATION :: female 6 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

REFERENCE :: IJEBA6 Indian Journal of Experimental Biology. (Publications & Information Directorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963- Volume(issue)/page/year: 11,321,1973

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 960 mg/kg

SEX/DURATION :: female 2 day(s) pre-mating

TOXIC 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: 16,541,1977

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 10 ug/kg

SEX/DURATION :: female 6 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - uterus, cervix, vagina

REFERENCE :: IJEBA6 Indian Journal of Experimental Biology. (Publications & Information Directorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963- Volume(issue)/page/year: 17,684,1979

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 120 ug/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 35,459,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1600 ug/kg

SEX/DURATION :: female 5 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: 12,529,1975

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1800 ug/kg

SEX/DURATION :: female 43 week(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: 16,499,1977

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 4500 ug/kg

SEX/DURATION :: female 3 day(s) pre-mating

TOXIC 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: 21,61,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1875 ug/kg

SEX/DURATION :: female 1 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 :: CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 30,153,1984

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 300 ug/kg

SEX/DURATION :: female 2 day(s) pre-mating female 1 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 :: 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: 117,167,1973 *** REVIEWS *** IARC Cancer Review:Human No Adequate Data 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: 21,479,1979 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: 21,479,1979 TOXICOLOGY REVIEW CMROCX Current Medical Research and Opinion. (Clayton-Wray Pub. Ltd., 1a High St., Alton, Hants., UK) V.1- 1972- Volume(issue)/page/year: 4,309,1976

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18,19-Dinorpregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy-, (17a)- cas no:797-63-7

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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