*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : AG2915000
CHEMICAL NAME : Acetic acid,
((4-chloro-6-(2,3-xylidino)-2-pyrimidinyl)thio)-
CAS REGISTRY NUMBER : 50892-23-4
BEILSTEIN REFERENCE NO. : 0759945
REFERENCE : 5-25-12-00458 (Beilstein Handbook Reference)
LAST UPDATED : 199806
DATA ITEMS CITED : 23
MOLECULAR FORMULA : C14-H14-Cl-N3-O2-S
MOLECULAR WEIGHT : 323.82
WISWESSER LINE NOTATION : T6N CNJ BS1VQ DG FMR B1 C1
COMPOUND DESCRIPTOR : Tumorigen
Drug
Mutagen
SYNONYMS/TRADE NAMES :
* Acetic acid,
((4-chloro-6-((2,3-dimethylphenyl)amino)-2-pyrimidinyl)thio)-
* (4-Chloro-6-(2,3-xylidino)-2-pyrimidinylthio)acetic acid
* Pirinixic acid
* Pirnixic acid
* WY-14,643
* Wyeth 14,643
*** 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 : 1050 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc.,
Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
20037) V.6- 1963- Volume(issue)/page/year: 27,1621,1984
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ATHSBL Atherosclerosis (Shannon, Ireland). (Elsevier Scientific Pub.
Ireland Ltd., POB 85, Limerick, Ireland) V.11- 1970-
Volume(issue)/page/year: 30,45,1978
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 330 mg/kg/8W-C
TOXIC EFFECTS :
Liver - changes in liver weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation,
etc.)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
145,425,1997
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 126 mg/kg/21D-C
TOXIC EFFECTS :
Liver - changes in liver weight
Related to Chronic Data - changes in prostate weight
Related to Chronic Data - changes in testicular weight
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year:
19,590,1992
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1092 mg/kg/26W-C
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of endocrine pancreas
Liver - changes in liver weight
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation,
etc.)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
145,425,1997
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1545 mg/kg/2Y-C
TOXIC EFFECTS :
Blood - pigmented or nucleated red blood cells
Blood - changes in platelet count
Related to Chronic Data - death
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New
York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 20,1,1997
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 22 gm/kg/1Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
48,6739,1988
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 37 gm/kg/62W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
39,152,1979
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 46 gm/kg/65W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980-
Volume(issue)/page/year: 2,645,1981
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 27 gm/kg/64W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Liver - tumors
REFERENCE :
CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland
Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year:
32,33,1986
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 29 gm/kg/69W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
39,152,1979
** MUTATION DATA **
TYPE OF TEST : Micronucleus test
TEST SYSTEM : Human Liver
DOSE/DURATION : 30 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 286,123,1993
TYPE OF TEST : Micronucleus test
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 20 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 286,123,1993
TYPE OF TEST : Morphological transformation
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 15540 mg/kg/37W (Continuous)
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980-
Volume(issue)/page/year: 15,111,1994
TYPE OF TEST : DNA damage
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 50 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 368,59,1996
TYPE OF TEST : Unscheduled DNA synthesis
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 1 mmol/L
REFERENCE :
CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland
Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year:
24,147,1984
TYPE OF TEST : Unscheduled DNA synthesis
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 375 mg/kg/5D (Continuous)
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
39,152,1979
TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 20 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 286,123,1993
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 5 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 286,123,1993
TYPE OF TEST : DNA inhibition
TEST SYSTEM : Rodent - mouse Cells - not otherwise specified
DOSE/DURATION : 100 umol/L
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
40,36,1980
TYPE OF TEST : Morphological transformation
TEST SYSTEM : Rodent - hamster Embryo
DOSE/DURATION : 85 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 356,85,1996
*** STATUS IN U.S. ***
NTP Carcinogenesis studies; selected, October 1997
NTP Carcinogenesis studies; on test (prechronic studies), October 1997
*** END OF RECORD ***
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