*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GY5765000
CHEMICAL NAME           : Cyclopenta(a)phenanthren-15-one,
                          16,17-dihydro-11-methyl-
CAS REGISTRY NUMBER     : 24684-42-2
LAST UPDATED            : 199410
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C18-H14-O
MOLECULAR WEIGHT        : 246.32
WISWESSER LINE NOTATION : L E5 B666 HVT&&&J C1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * 16,17-Dihydro-11-methylcyclopenta(a)phenanthren-15-one
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 120 mg/kg/50W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Skin and Appendages - tumors
   Tumorigenic - tumors at site of application
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   33,832,1973
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 50 ug/plate
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   36,4525,1976

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Histidine reversion-Ames test

 
                            *** END OF RECORD ***