4-Nitro-5-phenyl-2H-1,2,3-triazole CAS 56745-99-4
| CAS No. | 56745-99-4 |
| Molecular Formula | C8H6N4O2 |
| Molecular Weight | 190.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Nitro-5-phenyl-2H-1,2,3-triazole.
4-Nitro-5-phenyl-2H-1,2,3-triazole (CAS 56745-99-4) is a high-purity analytical reference standard with the molecular formula C8H6N4O2 and a molecular weight of 190.16 g/mol.
Based on its molecular formula C8H6N4O2, 4-Nitro-5-phenyl-2H-1,2,3-triazole contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 190.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Nitro-5-phenyl-2H-1,2,3-triazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H6N4O2 |
| Molecular Weight | 190.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 4-Nitroisoquinolin-1(2H)-one (CAS 55404-29-0)
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- 4-Hydroxy-3-cinnolinecarboxylic acid (CAS 53512-17-7)
- 3-(1,3-Dimethyl-1H-1,2,4-triazol-5-yl)piperidine (CAS 1250648-33-9)
- (6-Bromo-1-methyl-1H-pyrrolo[3,2-b]pyridin-3-yl)methanol (CAS 2231673-28-0)
- 2,3-dihydro-1,4-benzodioxin-2-ylmethanesulfonyl chloride (CAS 1018520-20-1)
- 5-Bromo-2-chloro-N-(pyridin-2-ylmethyl)benzamide (CAS 701256-97-5)
- 3-Chloroisoquinolin-6-boronic acid (CAS 1800483-72-0)
- Pcb No. 148 (CAS 74472-41-6)
- 3-(Dimethylamino)-1-(1-phenyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)propan-1-one hydrochloride (CAS 21484-30-0)
- Mupirocin impurity 35 (CAS CATO-C4X-170635)
- 1,4-Dichlorobutan-2-one (CAS 16714-78-6)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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