*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : RC9027000
CHEMICAL NAME : 19-Nor-17-alpha-preg-4-en-20-yn-3-one,
17-hydroxy-7-alpha-methyl-
CAS REGISTRY NUMBER : 1162-60-3
BEILSTEIN REFERENCE NO. : 4263193
LAST UPDATED : 199612
DATA ITEMS CITED : 1
MOLECULAR FORMULA : C21-H28-O2
MOLECULAR WEIGHT : 312.49
WISWESSER LINE NOTATION : L E5 B666 OV MUTJ E1 FQ F1UU1 K1
COMPOUND DESCRIPTOR : Reproductive Effector
Hormone
SYNONYMS/TRADE NAMES :
* 17-Ethinyl-7-alpha-methyl-19-nortestosterone
* 17-Hydroxy-7-alpha-methyl-19-nor-17-alpha-preg-4-en-20-yn-3-one
* 7-alpha-Methyl-17-ethinyl-19-nortestosterone
* U-13,851
*** HEALTH HAZARD DATA ***
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 4 mg/kg
SEX/DURATION : male 10 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
accessory glands
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 1,87,1970
*** END OF RECORD ***