*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TU4154050
CHEMICAL NAME           : Pregna-1,4-diene-3,20-dione,
                          11-beta,17,21-trihydroxy-6-alpha-methyl-, 21-acetate
CAS REGISTRY NUMBER     : 53-36-1
LAST UPDATED            : 199706
DATA ITEMS CITED        : 11
MOLECULAR FORMULA       : C24-H32-O6
MOLECULAR WEIGHT        : 416.56
WISWESSER LINE NOTATION : L E5 B666 OV AHTTT&J A1 CQ E1 FV1OV1 FQ L1
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * Depo-Medrate
   * Depo-Medrol
   * Depo-Medrone
   * Depo-Methylprednisolone
   * Depo-Methylprednisolone acetate
   * Depot-medrol
   * Medrol acetate
   * Methylprednisolone acetate
   * Methylprednisolone 21-acetate
   * 6-Methylprednisolone acetate
   * 6-alpha-Methylprednisolone acetate
   * Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-11,17-dihydroxy-6-methyl-,  
   (6-alpha,11-beta)-
   * U 8210
   * Urbason crystal suspension
 
                       *** 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 :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NIIRDN Drugs in Japan (Ethical Drugs).  (Yakugyo Jiho Co., Ltd., Tokyo,
   Japan)  Volume(issue)/page/year: -,1182,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 265 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - other changes
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
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(Suppl
   1),1,1985
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >1409 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NIIRDN Drugs in Japan (Ethical Drugs).  (Yakugyo Jiho Co., Ltd., Tokyo,
   Japan)  Volume(issue)/page/year: -,1182,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1320 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - other changes
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
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(Suppl
   1),1,1985
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 45500 ug/kg/13W-C
TOXIC EFFECTS :
   Endocrine - other changes
   Blood - normocytic anemia
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
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(Suppl
   1),11,1985
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 330 mg/kg
SEX/DURATION            : female 10 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 - fetal death
   Reproductive - Specific Developmental Abnormalities - eye/ear
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   56,23,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 330 mg/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   56,23,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 1800 ug/kg
SEX/DURATION            : female 7-18 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 Newborn - viability index (e.g., # alive at day 4
   per # born alive)
REFERENCE :
   ANREAK Anatomical Record.  (Alan R. Liss, Inc., 41 E. 11th St., New York, NY
   10003)  V.1-    1906/08-  Volume(issue)/page/year: 193,598,1979
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 1200 ug/kg
SEX/DURATION            : female 7-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   ANREAK Anatomical Record.  (Alan R. Liss, Inc., 41 E. 11th St., New York, NY
   10003)  V.1-    1906/08-  Volume(issue)/page/year: 193,598,1979

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M1854
       No. of Facilities: 202 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 426 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M1854
       No. of Facilities: 81 (estimated)
       No. of Industries: 1
       No. of Occupations: 6
       No. of Employees: 2381 (estimated)
       No. of Female Employees: 1905 (estimated)

 
                            *** END OF RECORD ***