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MSDS  : 19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 10-hydroperoxy-17-hydroxy-
CAS  : 1238-54-6
SYNONYMS  : * 10-beta-Hydroperoxy-17-alpha-ethynyl-4-estren-17-beta-ol-3-one * 19-Norpregn-4-en-20-yn-3-one, 10-hydroperoxy-17-hydroxy-, (17-alpha)- * Sch 10015
*** 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
BEILSTEIN REFERENCE NO. : 2063727
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
COMPOUND DESCRIPTOR : Reproductive Effector
Hormone
SYNONYMS/TRADE NAMES :
* 10-beta-Hydroperoxy-17-alpha-ethynyl-4-estren-17-beta-ol-3-one
* 19-Norpregn-4-en-20-yn-3-one, 10-hydroperoxy-17-hydroxy-, (17-alpha)-
* Sch 10015

*** HEALTH HAZARD DATA ***

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
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
SPECIES OBSERVED : Rodent - rat
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
SPECIES OBSERVED : Rodent - rat
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
SPECIES OBSERVED : Rodent - mouse
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
SPECIES OBSERVED : Rodent - rabbit
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
SPECIES OBSERVED : Rodent - rabbit
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
SPECIES OBSERVED : Rodent - rabbit
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

*** END OF RECORD ***
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Norvaline, 5-phosphono- 76726-92-6
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Novobiocin, monosodium salt 1476-53-5
Novomycin 39291-67-3
Novophyllin 63907-40-4
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