*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UW0520000
CHEMICAL NAME           : 2(1H)-Pyrimidinethione, 4-amino-
CAS REGISTRY NUMBER     : 333-49-3
LAST UPDATED            : 199709
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C4-H5-N3-S
MOLECULAR WEIGHT        : 127.18
WISWESSER LINE NOTATION : T6MYNJ BUS DZ
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * 4-Amino-2(1H)-pyrimidinethione
   * Thiocytosine
   * 2-Thiocytosine
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 255 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 31,1713,1981
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 100 mmol/L
REFERENCE :
   CYTBAI Cytobios. (Faculty Press, 88 Regent St., Cambridge, UK)  V.1- 1969- 
   Volume(issue)/page/year: 5,97,1972
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 5 mmol/L
REFERENCE :
   CYTBAI Cytobios. (Faculty Press, 88 Regent St., Cambridge, UK)  V.1- 1969- 
   Volume(issue)/page/year: 5,97,1972

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***