*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UT5775000
CHEMICAL NAME           : Pyridine, 3-methyl-4-nitro-, 1-oxide
CAS REGISTRY NUMBER     : 1074-98-2
BEILSTEIN REFERENCE NO. : 0140157
REFERENCE               : 5-20-05-00540 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 11
MOLECULAR FORMULA       : C6-H6-N2-O3
MOLECULAR WEIGHT        : 154.14
WISWESSER LINE NOTATION : T6NJ AO C1 DNW
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * 3-Methyl-4-nitropyridine 1-oxide
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1680 mg/kg/28W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   GANNA2 Gann.  Japanese Journal of Cancer Research.  (Tokyo, Japan)  V.1-75,
   1907-84.  For publisher information, see JJCREP.  Volume(issue)/page/year:
   62,325,1971
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1680 mg/kg/15W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   GANNA2 Gann.  Japanese Journal of Cancer Research.  (Tokyo, Japan)  V.1-75,
   1907-84.  For publisher information, see JJCREP.  Volume(issue)/page/year:
   70,799,1979
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 50 nmol/plate
REFERENCE :
   GANNA2 Gann.  Japanese Journal of Cancer Research.  (Tokyo, Japan)  V.1-75,
   1907-84.  For publisher information, see JJCREP.  Volume(issue)/page/year:
   70,799,1979
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 500 umol/L
REFERENCE :
   GANNA2 Gann.  Japanese Journal of Cancer Research.  (Tokyo, Japan)  V.1-75,
   1907-84.  For publisher information, see JJCREP.  Volume(issue)/page/year:
   70,799,1979
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 500 ug/well
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   32,2369,1972
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 500 ug/well
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   32,2369,1972
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 500 ug/well
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   32,2369,1972
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - mouse Fibroblast
DOSE/DURATION           : 50 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   35,521,1975
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Rodent - hamster Cells - not otherwise specified
DOSE/DURATION           : 8 umol/L
REFERENCE :
   NATUAS Nature.  (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736)
   V.1-    1869-  Volume(issue)/page/year: 229,416,1971

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: E coli polA without S9
   
   EPA GENETOX PROGRAM 1988, Positive/dose response: In vitro UDS-human
   fibroblast

 
                            *** END OF RECORD ***