*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : TU5010050
CHEMICAL NAME : Pregn-4-ene-3,20-dione, 17-(acetyloxy)-6-methyl-,
(6-alpha)-, mixt. with (17-beta)-3-
hydroxyestra-1,3,5(10)-trien-17-yl
cyclopentanepropanoate
CAS REGISTRY NUMBER : 71615-27-5
LAST UPDATED : 199503
DATA ITEMS CITED : 7
MOLECULAR FORMULA : C26-H36-O3.C24-H34-O4
MOLECULAR WEIGHT : 783.20
COMPOUND DESCRIPTOR : Tumorigen
Drug
Reproductive Effector
Human
Hormone
SYNONYMS/TRADE NAMES :
* Cyclofem
* Cycloprovera
* Estradiol cypionate mixed with medroxyprogesterone acetate
* Medroxyprogesterone acetate mixed with estradiol cypionate
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD - Lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >1 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 49,335,1994
TYPE OF TEST : LD - Lethal dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >2500 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 49,335,1994
TYPE OF TEST : LD - Lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >1 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 49,335,1994
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 450 mg/kg/78W-I
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 49,335,1994
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 550 mg/kg/95W-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Endocrine - tumors
Skin and Appendages - tumors
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 49,335,1994
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Human - woman
DOSE : 1800 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: 25,261,1982
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Human - woman
DOSE : 2400 ug/kg
SEX/DURATION : female 4 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 :
JRPFA4 Journal of Reproduction and Fertility. (Biochemical Soc. Book Depot,
POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1960-
Volume(issue)/page/year: 15,209,1968
*** END OF RECORD ***