*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : RC8960750
CHEMICAL NAME : 19-Norpregn-4-ene-3,20-dione,
17-hydroxy-16-methylene-, acetate
CAS REGISTRY NUMBER : 7759-35-5
LAST UPDATED : 199306
DATA ITEMS CITED : 4
MOLECULAR FORMULA : C23-H30-O4
MOLECULAR WEIGHT : 370.53
COMPOUND DESCRIPTOR : Reproductive Effector
Human
Hormone
SYNONYMS/TRADE NAMES :
* 17-Hydroxy-16-methylene-19-norpregn-4-ene-3,20-dione acetate
* 16-Methylene-17-alpha-acetoxy-19-nor-4-pregnene-3,20-dione
* 19-Norpregn-4-ene-3,20-dione, 17-(acetyloxy)-16-methylene-
* ST-1435
*** HEALTH HAZARD DATA ***
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Human - woman
DOSE : 240 ug/kg
SEX/DURATION : female 24 day(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: 58,680,1992
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Implant
SPECIES OBSERVED : Human - woman
DOSE : 800 ug/kg
SEX/DURATION : female 56 week(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: 25,299,1982
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Implant
SPECIES OBSERVED : Human - woman
DOSE : 2200 ug/kg
SEX/DURATION : female 43 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
SPECIES OBSERVED : Human - woman
DOSE : 700 ug/kg
SEX/DURATION : female 26 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: 36,737,1981
*** END OF RECORD ***
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