*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UP0400000
CHEMICAL NAME           : Purine-6-thiol, monohydrate
CAS REGISTRY NUMBER     : 6112-76-1
LAST UPDATED            : 199410
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C5-H4-N4-S.H2-O
MOLECULAR WEIGHT        : 170.21
WISWESSER LINE NOTATION : T56 BM DN FN HNJ ISH &QH
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * 1,7-Dihydro-6H-purine-6-thione monohydrate
   * 1,7-Dihydro-6H-purin-6-thion, monohydrat
   * 6-Mercaptopurine monohydrate
   * 6-Merkaptopurin, monohydrat
   * 6H-Purine-6-thione, 1,7-dihydro-, monohydrate
   * Purin-6-thiol, monohydrat
   * 6H-Purin-6-thion, monohydrat
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 223,349,1989
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 224 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 223,349,1989
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 27500 ug/kg
SEX/DURATION            : female 11 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
   (e.g., placenta, umbilical cord)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 34,321,1986
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 500 mg/kg
SEX/DURATION            : male 40 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   DCTODJ Drug and Chemical Toxicology.  (Marcel Dekker, 270 Madison Ave., New
   York, NY 10016) V.1-    1977/78-  Volume(issue)/page/year: 6,83,1983
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 250 mg/kg
SEX/DURATION            : male 5 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Fertility - male fertility index (e.g. # males impregnating
   females per # males exposed to fertile nonpregnant females)
REFERENCE :
   DCTODJ Drug and Chemical Toxicology.  (Marcel Dekker, 270 Madison Ave., New
   York, NY 10016) V.1-    1977/78-  Volume(issue)/page/year: 6,83,1983
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 4 mg/kg
SEX/DURATION            : female 6-9 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
   before birth)
   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
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 1,27,1981
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 67 ug/plate
REFERENCE :
   EMMUEG Environmental and Molecular Mutagenesis.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.10-    1987-  Volume(issue)/page/year:
   19(Suppl 21),2,1992
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 50 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 282,191,1992
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 12500 ug/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 223,349,1989
 
TYPE OF TEST            : Dominant lethal test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 500 mg/kg/40D (Intermittent)
REFERENCE :
   DCTODJ Drug and Chemical Toxicology.  (Marcel Dekker, 270 Madison Ave., New
   York, NY 10016) V.1-    1977/78-  Volume(issue)/page/year: 6,83,1983
 
                            *** END OF RECORD ***