19-Norpregn-4-en-20-yn-3-one,10-hydroperoxy-17-hydroxy-, (17a)- (9CI)
Names
[ CAS No. ]:
1238-54-6
[ Name ]:
19-Norpregn-4-en-20-yn-3-one,10-hydroperoxy-17-hydroxy-, (17a)- (9CI)
Chemical & Physical Properties
[ Density]:
1.26g/cm3
[ Boiling Point ]:
510.9ºC at 760 mmHg
[ Molecular Formula ]:
C20H26O4
[ Molecular Weight ]:
330.41800
[ Flash Point ]:
181.2ºC
[ Exact Mass ]:
330.18300
[ PSA ]:
66.76000
[ LogP ]:
3.10470
[ Vapour Pressure ]:
1.42E-12mmHg at 25°C
[ Index of Refraction ]:
1.595
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- RC8974500
- CHEMICAL NAME :
- 19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 10-hydroperoxy-17-hydroxy-
- CAS REGISTRY NUMBER :
- 1238-54-6
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C20-H26-O4
- MOLECULAR WEIGHT :
- 330.46
- WISWESSER LINE NOTATION :
- L E5 B666 OV MUTJ AOQ E1 FQ F1UU1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 55 mg/kg
- SEX/DURATION :
- female 11 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 :
- JOENAK Journal of Endocrinology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1939- Volume(issue)/page/year: 33,241,1965
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 225 mg/kg
- SEX/DURATION :
- female 45 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - ovaries, fallopian tubes
- REFERENCE :
- JOENAK Journal of Endocrinology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1939- Volume(issue)/page/year: 33,241,1965
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 10 mg/kg
- SEX/DURATION :
- female 2-3 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 :
- JOENAK Journal of Endocrinology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1939- Volume(issue)/page/year: 33,241,1965
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 5040 ug/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 :
- Subcutaneous
- DOSE :
- 6 mg/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 :
- Subcutaneous
- DOSE :
- 3 mg/kg
- SEX/DURATION :
- female 1-3 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - urogenital system
- 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 :
- 1500 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 :
- CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 2,85,1970