Fenestrel
Names
[ CAS No. ]:
7698-97-7
[ Name ]:
Fenestrel
[Synonym ]:
FENESTREL
Fenestrelum [INN-Latin]
Fenestrelo [INN-Spanish]
2-Methyl-3-ethyl-4-phenyl-4-cyclohexencarbonsaeure
ORF 3858
Demethoxyhoggolic acid
Chemical & Physical Properties
[ Density]:
1.054g/cm3
[ Boiling Point ]:
389.1ºC at 760 mmHg
[ Molecular Formula ]:
C16H20O2
[ Molecular Weight ]:
244.32900
[ Flash Point ]:
183.3ºC
[ Exact Mass ]:
244.14600
[ PSA ]:
37.30000
[ LogP ]:
3.83680
[ Index of Refraction ]:
1.532
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GW4450000
- CHEMICAL NAME :
- 3-Cyclohexene-1-carboxylic acid, 5-ethyl-6-methyl-4-phenyl-
- CAS REGISTRY NUMBER :
- 7698-97-7
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 15
- MOLECULAR FORMULA :
- C16-H20-O2
- MOLECULAR WEIGHT :
- 244.36
- WISWESSER LINE NOTATION :
- L6UTJ AR& DVQ E1 F2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2350 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 19,412,1971
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 680 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 19,412,1971
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 150 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 19,412,1971
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 20 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 19,412,1971 ** TUMORIGENIC DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 27 mg/kg/52W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 19,412,1971 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 22500 ng/kg
- SEX/DURATION :
- female 1-9 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) Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)
- REFERENCE :
- CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 3,347,1971
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 100 ng/kg
- SEX/DURATION :
- female 7 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: 3,347,1971
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 25 ug/kg
- SEX/DURATION :
- female 5 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
- REFERENCE :
- CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 14,487,1976
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 6720 ng/kg
- SEX/DURATION :
- female 3 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - uterus, cervix, vagina
- REFERENCE :
- FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S, Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 20,211,1969
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 10 mg/kg
- SEX/DURATION :
- female 1-6 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 :
- 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: 115,101,1973
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 150 ug/kg
- SEX/DURATION :
- female 1-3 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: 20,211,1969
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Unreported
- DOSE :
- 290 ug/kg
- SEX/DURATION :
- female 1-29 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) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- REFERENCE :
- CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 2,85,1970
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Unreported
- DOSE :
- 150 ug/kg
- SEX/DURATION :
- female 1-3 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: 18,18,1967
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 90 mg/kg
- SEX/DURATION :
- female 1-9 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 :
- CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 3,347,1971
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 700 ug/kg
- SEX/DURATION :
- female 7 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: 3,347,1971