*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YT3500000
CHEMICAL NAME           : Urea, 1-ethyl-3-(5-nitro-2-thiazolyl)-
CAS REGISTRY NUMBER     : 139-94-6
BEILSTEIN REFERENCE NO. : 0218168
REFERENCE               : 4-27-00-04679 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C6-H8-N4-O3-S
MOLECULAR WEIGHT        : 216.24
WISWESSER LINE NOTATION : T5N CSJ BMVM2 ENW
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Tumorigen
                          Drug
                          Mutagen
SYNONYMS/TRADE NAMES :
   * N-Ethyl-N'-(5-nitro-2-thiazolyl)urea
   * 1-Ethyl-3-(5-nitro-2-thiazolyl) urea
   * Hepzide
   * Hepzide 30
   * NCI-C03792
   * Nithiazid
   * Nithiazide
   * Urea, N-ethyl-N'-(5-nitro-2-thiazolyl)-
 
                       *** 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           : 2150 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCILB* Progress Report for Contract No. NIH-NCI-E-C-72-3252, Submitted to
   the National Cancer Institute by Litton Bionetics, Inc.  (Bethesda, MD)
   Volume(issue)/page/year: NCI-E-C-72-3252,1973
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 41 gm/kg/94W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Skin and Appendages - tumors
REFERENCE :
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-146,1979
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 395 gm/kg/94W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Liver - tumors
REFERENCE :
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-146,1979
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 75 ug/plate
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 5(Suppl
   1),3,1983

                              *** REVIEWS ***
 
   IARC Cancer Review:Animal Limited Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 31,179,1983

   IARC Cancer Review:Human No Adequate Data
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 31,179,1983

   IARC Cancer Review:Group 3
   IMSUDL IARC Monographs, Supplement.  (WHO Publications Centre USA, 49
   Sheridan Ave., Albany, NY 12210)  No.1-    1979-  Volume(issue)/page/year:
   7,56,1987

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat
   
   NCI Carcinogenesis Bioassay (feed);clear evidence:mouse,rat
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-146,79

 
                            *** END OF RECORD ***