*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TU3775000
CHEMICAL NAME           : Pregna-4,6-diene-3,20-dione, 6-chloro-17-hydroxy-,
                          acetate mixed with 3-methoxy-
                          17-alpha-19-norpregna-1,3,5(10)-trien-20-yn-17-ol
CAS REGISTRY NUMBER     : 8065-91-6
LAST UPDATED            : 199209
DATA ITEMS CITED        : 11
MOLECULAR FORMULA       : C23-H29-Cl-O4.C21-H26-O2
MOLECULAR WEIGHT        : 715.44
WISWESSER LINE NOTATION : L E5 B666TTT&J E1 FQ F1UU1 OO1 &L E5 B666 OV KU MUTJ
                          A1 E1 FV1 FOV1 LG
COMPOUND DESCRIPTOR     : Tumorigen
                          Drug
                          Reproductive Effector
                          Human
                          Hormone
SYNONYMS/TRADE NAMES :
   * Aconcen
   * Chlormadinone acetate mixed with mestranol
   * 6-Chloro-6-dehydro-17-alpha-acetoxyprogesterone mixed with mestrenol
   * C-Quens
   * Lutestral
   * Mestranol mixed with chlormadinone acetate
   * Mestranol mixed with 6-chloro-6-dehydro-17-alpha-acetoxyprogesterone
   * S-3850
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >10 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 4,217,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 4,217,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 4,217,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >19300 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 4,217,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - ptosis
   Skin and Appendages - hair
   Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 4,217,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >10 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Skin and Appendages - hair
   Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 4,217,1970
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3 gm/kg/30D-C
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in bladder weight
   Endocrine - changes in adrenal weight
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 4,217,1970
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3380 mg/kg/56W-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in bladder weight
   Endocrine - changes in thymus weight
   Related to Chronic Data - changes in uterine weight
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 4,217,1970
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - woman
DOSE/DURATION           : 60480 ug/kg/6Y-I
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Liver - tumors
REFERENCE :
   SURGAZ Surgery.  (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis,
   MO 63146)  V.1-    1937-  Volume(issue)/page/year: 77,137,1975
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - woman
DOSE                    : 13 mg/kg
SEX/DURATION            : female 34 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - uterus, cervix, vagina
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: 107,717,1970
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - woman
DOSE                    : 1302 ug/kg
SEX/DURATION            : female 21 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - menstrual cycle changes or disorders
   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: 1,389,1970
 
                            *** END OF RECORD ***