5-(4-Nitrobenzyl)-4H-1,2,4-triazol-3-amine CAS 90349-93-2
| CAS No. | 90349-93-2 |
| Molecular Formula | C9H9N5O2 |
| Molecular Weight | 219.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(4-Nitrobenzyl)-4H-1,2,4-triazol-3-amine (CAS 90349-93-2) is a high-purity analytical reference standard with the molecular formula C9H9N5O2 and a molecular weight of 219.20 g/mol.
Based on its molecular formula C9H9N5O2, 5-(4-Nitrobenzyl)-4H-1,2,4-triazol-3-amine 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 219.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 5-(4-Nitrobenzyl)-4H-1,2,4-triazol-3-amine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H9N5O2 |
| Molecular Weight | 219.20 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.) | 1982 |
| Nitrogen Atoms | 5 |
Related Nitrobenzyl Standards
- 1-(4-Nitrobenzyl)-1H-pyrazol-4-ol (CAS 1598523-99-9)
- 1-(3-Nitrobenzyl)-1H-pyrazol-4-ol (CAS 1603412-28-7)
- 1-[(4-Nitrobenzyl)oxy]-1H-imidazole (CAS 320424-37-1)
- 5-(2-Nitrobenzyl)-4H-1,2,4-triazol-3-amine (CAS 502686-25-1)
- 2-(4-Nitrobenzyl)thiophene (CAS 172508-14-4)
- 1-(4-Nitrobenzyl)piperidine (CAS 59507-44-7)
- N-(2-Nitrobenzyl)cyclopentanamine (CAS 355814-64-1)
- N-(3-nitrobenzyl)cyclopentanamine (CAS 355382-02-4)
Recommended Standards
- 5-(4-Hydroxyphenyl)isoxazole-3-carbohydrazide (CAS 869945-57-3)
- 5-Amino-2-((2-aminopyrimidin-5-yl)amino)pyrimidin-4(1H)-one (CAS 77961-39-8)
- 5-Amino-2-((6-oxo-1,6-dihydropyridin-2-yl)amino)pyrimidin-4(1H)-one (CAS 77961-61-6)
- 5-(2-(1H-Pyrrol-2-yl)vinyl)-3-methyl-4-nitroisoxazole (CAS 835898-34-5)
- {[1,2,4]triazolo[1,5-a]pyridin-5-yl}methanol (CAS 1824412-94-3)
- 1-(1H-Benzo[d][1,2,3]triazol-1-yl)propan-2-one (CAS 16219-51-5)
- 5-(tert-Butyl)nicotinimidamide hydrochloride (CAS 2089327-51-3)
- 5-(4-Methoxybenzyl)-1H-pyrrole-2-carboxylic acid (CAS 1706455-61-9)
- 2-Chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidine, 97% (CAS 1060815-90-8)
- 1-(4-Methyl-2-(p-tolylamino)thiazol-5-yl)ethan-1-one (CAS 71047-48-8)
- 5-(4,5-Dibromothiophen-2-yl)-4-ethyl-4h-1,2,4-triazole-3-thiol (CAS 828275-81-6)
- 4,5,6,7-Tetrahydroisoxazolo[4,3-c]pyridin-3-amine dihydrochloride (CAS 2138528-81-9)
- 2-(Cyclohexylamino)-1-phenylethan-1-ol (CAS 6589-48-6)
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