D26202
3,5-Diamino-1,2,4-triazole
98%
Synonym(s):
Guanazole
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About This Item
Empirical Formula (Hill Notation):
C2H5N5
CAS Number:
Molecular Weight:
99.09
Beilstein:
112467
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Assay
98%
form
solid
mp
202-205 °C (lit.)
SMILES string
Nc1n[nH]c(N)n1
InChI
1S/C2H5N5/c3-1-5-2(4)7-6-1/h(H5,3,4,5,6,7)
InChI key
PKWIYNIDEDLDCJ-UHFFFAOYSA-N
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Application
Inhibitor of DNA synthesis.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 2 - Repr. 2 - STOT RE 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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G R Gale et al.
Cancer treatment reports, 63(3), 449-456 (1979-03-01)
Each of three ribonucleoside diphosphate reductase inhibitors was used as a third drug in combination with selected antitumor platinum (Pt) agents and cyclophosphamide (CY) in the treatment of advanced L1210 leukemia in C57BL/6 x DBA/2 mice. Each was synergistic with
T Spector et al.
The Journal of biological chemistry, 260(15), 8694-8697 (1985-07-25)
Several known inhibitors of mammalian ribonucleotide reductase were studied for their interactions with herpes simplex virus type 1 (HSV-1) ribonucleotide reductase. MAIQ (4-methyl-5-amino-1-formylisoquinoline thiosemicarbazone) produced apparent inactivation of HSV-1 ribonucleotide reductase. Only catalytically cycling, not resting, enzyme could be inactivated.
R G Hards et al.
Canadian journal of biochemistry and cell biology = Revue canadienne de biochimie et biologie cellulaire, 61(2-3), 120-129 (1983-02-01)
N-Carbamoyloxyurea is cytotoxic for cells in culture and, like hydroxyurea and guanazole, the drug is an effective inhibitor of mammalian ribonucleotide reductase and thus DNA synthesis. In addition to ribonucleotide reductase, N-carbamoyloxyurea has a second site of action which also
Effect of iron-chelating agents on inhibitors of ribonucleotide reductase.
J G Cory et al.
Biochemical pharmacology, 30(9), 979-984 (1981-05-01)
W Suter et al.
Mutation research, 231(2), 251-264 (1990-08-01)
Guanazole and aphidicolin were chosen as candidates in the search for a selective, non-genotoxic inhibitor of DNA replication which could be used instead of hydroxyurea to measure DNA repair synthesis in rat hepatocyte primary cultures by liquid scintillation counting. The
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