*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : XZ6157000
CHEMICAL NAME : 7H-v-Triazolo(4,5-d)pyrimidin-7-one,
5-amino-1,6-dihydro-
CAS REGISTRY NUMBER : 134-58-7
LAST UPDATED : 199709
DATA ITEMS CITED : 19
MOLECULAR FORMULA : C4-H4-N6-O
MOLECULAR WEIGHT : 152.14
WISWESSER LINE NOTATION : T56 BNNM FVM INJ HZ
COMPOUND DESCRIPTOR : Mutagen
Reproductive Effector
SYNONYMS/TRADE NAMES :
* 8 AG
* 5-Amino-1,6-dihydro-7H-v-triazolo(4,5-d)pyrimidin-7-one
* 5-Amino-1,4-dihydro-7H-1,2,3-triazolo(4,5-d)pyrimidin-7-one
* 5-Amino-7-hydroxy-1H-v-triazolo(d)pyrimidine
* 5-Amino-1H-v-triazolo(d)pyrimidin-7-ol
* Azaguanine
* Azaguanine-8
* 8-Azaguanine
* Azan
* AZG
* B-28
* Guanazol
* Guanazolo
* NSC-749
* Pathocidin
* Pathocidine
* SF-337
* SK 1150
* Triazologuanine
* v-Triazolo(4,5-d)pyrimidin-7-ol, 5-amino-
* 7H-1,2,3-Triazolo(4,5-d)pyrimidin-7-one, 5-amino-1,4-dihydro-
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ADTEAS Advances in Teratology. (New York, NY) V.1-5, 1966-72.
Discontinued. Volume(issue)/page/year: 3,181,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
OSDIAF Osaka Shiritsu Daigaku Igaku Zasshi. Journal of the Osaka City
Medical Center. (Osaka, Japan) V.4-23, 1955-74. For publisher
information, see OIGZDE. Volume(issue)/page/year: 17,491,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca
Raton, FL, CRC Press, 1980- Volume(issue)/page/year: 5,193,1981
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAJAAA Journal of Antibiotics, Series A. (Tokyo, Japan) V.6-20, 1953-67.
For publisher information, see JANTAJ. Volume(issue)/page/year: 13,19,1960
TYPE OF TEST : LD10 - Lethal Dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 90 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PMDCAY Progress in Medical Chemistry. (Elsevier Science Pub. Co., Inc., 52
Vanderbilt Ave., New York, NY 10017) V.1- 1961- Volume(issue)/page/year:
7,69,1970
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE : 50 mg/kg
SEX/DURATION : male 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
REFERENCE :
HIKYAJ Hinyokika Kiyo. Journal of Urology. (Kyoto Daigaku Igakubu,
Hinyokikagaku Kyoshitsu, 54 Kawara-machi, Shogain, Sakyo-ku, Kyoto 606,
Japan) V.1- 1955- Volume(issue)/page/year: 12,1339,1966
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE : 80 mg/kg
SEX/DURATION : female 7 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
REFERENCE :
JEEMAF Journal of Embryology and Experimental Morphology. (Essex, UK)
V.1-98, 1953-86. For Publisher information, see DEVPED
Volume(issue)/page/year: 6,593,1958
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE : 80 mg/kg
SEX/DURATION : female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
REFERENCE :
JEEMAF Journal of Embryology and Experimental Morphology. (Essex, UK)
V.1-98, 1953-86. For Publisher information, see DEVPED
Volume(issue)/page/year: 6,593,1958
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 150 mg/L
REFERENCE :
CSHSAZ Cold Spring Harbor Symposia on Quantitative Biology. (Cold Spring
Harbor Laboratory, POB 100, Cold Spring Harbor, NY 11724) V.1- 1933-
Volume(issue)/page/year: 16,337,1952
TYPE OF TEST : Phage inhibition capacity
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 37500 ng/well
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 260,349,1991
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Mold - Neurospora crassa
DOSE/DURATION : 20 ug/disc
REFERENCE :
GENTAE Genetics. (Genetics Business Office, POB 64025, Baltimore, MD 21264)
V.1- 1916- Volume(issue)/page/year: 57,189,1967
TYPE OF TEST : DNA inhibition
TEST SYSTEM : Rodent - mouse Lymphocyte
DOSE/DURATION : 66 umol/L
REFERENCE :
CJBBDU Canadian Journal of Biochemistry and Cell Biology. (National
Research Council of Canada, Publication Sales and Distribution, Ottawa ON
K1A OR6, Canada) V.61- 1983- Volume(issue)/page/year: 62,280,1984
TYPE OF TEST : DNA inhibition
TEST SYSTEM : Rodent - mouse Leukocyte
DOSE/DURATION : 1 umol/L
REFERENCE :
AEZRA2 Advances in Enzyme Regulation. (Pergamon Press Inc., Maxwell House,
Fairview Park, Elmsford, NY 10523) V.1- 1963- Volume(issue)/page/year:
20,351,1982
TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Rodent - mouse Leukocyte
DOSE/DURATION : 1 umol/L
REFERENCE :
AEZRA2 Advances in Enzyme Regulation. (Pergamon Press Inc., Maxwell House,
Fairview Park, Elmsford, NY 10523) V.1- 1963- Volume(issue)/page/year:
20,351,1982
TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Rodent - hamster Fibroblast
DOSE/DURATION : 500 ug/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 88,241,1981
TYPE OF TEST : Mutation in mammalian somatic cells
TEST SYSTEM : Rodent - hamster Lung
DOSE/DURATION : 30 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 80,165,1981
*** REVIEWS ***
TOXICOLOGY REVIEW
32XPAD "Teratology," Berry, C.L., and D.E. Poswillo, eds., New York,
Springer, 1975 Volume(issue)/page/year: -,49,1975
TOXICOLOGY REVIEW
CRTXB2 CRC Critical Reviews in Toxicology. (CRC Press, Inc., 2000 Corporate
Blvd., NW, Boca Raton, FL 33431) V.1- 1971- Volume(issue)/page/year:
2,159,1973
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Negative: N crassa-aneuploidy
*** END OF RECORD ***