*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TU3831500
CHEMICAL NAME           : Pregna-1,4-diene-3,20-dione,
                          6-alpha,9-difluoro-11-beta,17,21-trihydroxy-,
                          21-acetate, 17-butyrate
CAS REGISTRY NUMBER     : 23674-86-4
LAST UPDATED            : 199309
DATA ITEMS CITED        : 14
MOLECULAR FORMULA       : C27-H34-F2-O7
MOLECULAR WEIGHT        : 508.61
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * 6-alpha,9-alpha-Difluoroprednisolone 17-butyrate 21-acetate
   * Difluprednate
   * W 6309
 
                       *** 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           : >4 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - muscle weakness
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1066,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - food intake (animal)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1066,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2315 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - food intake (animal)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1066,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >4 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - muscle weakness
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1066,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 146 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - food intake (animal)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1066,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 105 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - food intake (animal)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1066,1984
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 23 mg/kg/26W-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in bladder weight
   Endocrine - changes in thymus weight
   Blood - pigmented or nucleated red blood cells
REFERENCE :
   JTSCDR Journal of Toxicological Sciences.  (Japanese Soc. of Toxicological
   Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku,
   Tokyo 113, Japan)  V.1-    1976-  Volume(issue)/page/year: 10,107,1985
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 840 ug/kg
SEX/DURATION            : male 9 week(s) pre-mating
                          female 2 week(s) pre-mating  - 7 day(s) after
                          conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1028,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1100 ug/kg
SEX/DURATION            : female 7-17 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
   (e.g., placenta, umbilical cord)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1035,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1100 ng/kg
SEX/DURATION            : female 7-17 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Effects on Newborn - behavioral
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1035,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1500 ng/kg
SEX/DURATION            : female 17-22 day(s) after conception
                          lactating female 9 day(s) post-birth
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - physical
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1046,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Mammal - dog
DOSE                    : 21 mg/kg
SEX/DURATION            : female 24 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - ovaries, fallopian tubes
   Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
   JTSCDR Journal of Toxicological Sciences.  (Japanese Soc. of Toxicological
   Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku,
   Tokyo 113, Japan)  V.1-    1976-  Volume(issue)/page/year: 10,107,1985
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 130 ug/kg
SEX/DURATION            : female 6-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
   (e.g., placenta, umbilical cord)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1055,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 1300 ng/kg
SEX/DURATION            : female 6-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 15,1055,1984
 
                            *** END OF RECORD ***