*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VS3040000
CHEMICAL NAME           : 16,17-Seco-13-alpha-estra-1,3,5,7,9-pentaen-17-oic
                          acid, 3-methoxy-, (+-)-
CAS REGISTRY NUMBER     : 15372-34-6
OTHER CAS REGISTRY NOS. : 32448-80-9
LAST UPDATED            : 199801
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C19-H22-O3
MOLECULAR WEIGHT        : 298.41
WISWESSER LINE NOTATION : L B666&&TJ EO1 K2 LVQ
COMPOUND DESCRIPTOR     : Reproductive Effector
SYNONYMS/TRADE NAMES :
   * dl-cis-Bisdehydrodoisynolic acid methyl ether
   * Doisynoestrol
   * Fenociclina
   * Fenocyclin
   * Fenocycline
   * Fenocylin
   * 3-Methoxy-16,17-secoestra-1,3,5(10),6,8-pentaen-17-oic acid
   * Phenocyclin
   * RS 2874
   * Surestrine
   * Surestryl
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 17500 ng/kg
SEX/DURATION            : female 7 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 :
   CCPTAY Contraception.  (Geron-X, Inc., POB 1108, Los Altos, CA 94022)  V.1-
   1970-  Volume(issue)/page/year: 3,387,1971
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 300 ug/kg
SEX/DURATION            : female 7-9 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   CCPTAY Contraception.  (Geron-X, Inc., POB 1108, Los Altos, CA 94022)  V.1-
   1970-  Volume(issue)/page/year: 3,387,1971
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Primate - monkey
DOSE                    : 2400 ug/kg
SEX/DURATION            : female 6 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 :
   CCPTAY Contraception.  (Geron-X, Inc., POB 1108, Los Altos, CA 94022)  V.1-
   1970-  Volume(issue)/page/year: 4,15,1971
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Primate - monkey
DOSE                    : 2 mg/kg
SEX/DURATION            : female 1-6 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 :
   AJOGAH American Journal of Obstetrics and Gynecology.  (C.V. Mosby Co.,
   11830 Westline Industrial Dr., St. Louis, MO 63146)  V.1-    1920-
   Volume(issue)/page/year: 115,101,1973
 
                            *** END OF RECORD ***