*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TU3687000
CHEMICAL NAME           : Pregna-1,4-diene-3,20-dione,
                          21-(acetyloxy)-11-hydroxy-17-((1-oxopentyl)oxy)-,
                          (11-beta)-
CAS REGISTRY NUMBER     : 72064-79-0
BEILSTEIN REFERENCE NO. : 2713941
LAST UPDATED            : 199706
DATA ITEMS CITED        : 17
MOLECULAR FORMULA       : C28-H38-O7
MOLECULAR WEIGHT        : 486.66
WISWESSER LINE NOTATION : L E5 B666 OV AHTTT&J A1 CQ E1 FV1OV1 FOV4
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * Acepreval
   *   21-(Acetyloxy)-11-beta-hydroxy-17-((1-oxopentyl)oxy)pregna-1,4-diene-3,2
     0-dione
   * Lidomex
   * Prednisolone valerate acetate
   * Prednisolone 17-valerate 21-acetate
   * 11-beta,17-alpha,21-Trihydroxy-1,4-pregnadiene-3,20-dione 21-acetate  
   17-valerate
 
                       *** 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)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,195,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YAKUD5 Gekkan Yakuji.  Pharmaceuticals Monthly.  (Yakugyo Jihosha, Inaoka
   Bldg., 2-36 Jinbo-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan)  V.1-   1959-
   Volume(issue)/page/year: 24,1371,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,195,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,195,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1360 mg/kg
TOXIC EFFECTS :
   Endocrine - other changes
   Blood - changes in spleen
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,195,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1150 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Endocrine - other changes
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,195,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - acute pulmonary edema
   Liver - other changes
   Blood - hemorrhage
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,195,1980
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 87500 mg/kg/35D-I
TOXIC EFFECTS :
   Endocrine - changes in thymus weight
   Blood - changes in leukocyte (WBC) count
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,225,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 35 mg/kg/35D-I
TOXIC EFFECTS :
   Endocrine - changes in adrenal weight
   Blood - normocytic anemia
   Related to Chronic Data - changes in testicular weight
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,205,1980
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 11 mg/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)
   Reproductive - Effects on Newborn - weaning or lactation index (e.g., #
   alive at weaning per # alive at day 4)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,67,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 110 mg/kg
SEX/DURATION            : female 7-17 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
   Reproductive - Specific Developmental Abnormalities - body wall
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,67,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 55 mg/kg
SEX/DURATION            : female 7-17 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Maternal Effects - parturition
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,67,1980
 
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 Newborn - live birth index (measured after birth)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,67,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 3250 ug/kg
SEX/DURATION            : female 6-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,87,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 3250 ug/kg
SEX/DURATION            : female 6-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - eye/ear
   Reproductive - Specific Developmental Abnormalities - body wall
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,87,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 1300 ug/kg
SEX/DURATION            : female 6-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,87,1980
 
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 - Maternal Effects - uterus, cervix, vagina
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 20,87,1980
 
                            *** END OF RECORD ***