N,N,5-trimethyl-1-(4-nitrophenyl)-1H-1,2,4-triazole-3-carboxamide CAS 321431-11-2
| CAS No. | 321431-11-2 |
| Molecular Formula | C12H13N5O3 |
| Molecular Weight | 275.26 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.
N,N,5-trimethyl-1-(4-nitrophenyl)-1H-1,2,4-triazole-3-carboxamide (CAS 321431-11-2), molecular formula C12H13N5O3 and molecular weight 275.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H13N5O3, N,N,5-trimethyl-1-(4-nitrophenyl)-1H-1,2,4-triazole-3-carboxamide 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 275.26 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), N,N,5-trimethyl-1-(4-nitrophenyl)-1H-1,2,4-triazole-3-carboxamide 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 | C12H13N5O3 |
| Molecular Weight | 275.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
Recommended Standards
- N,N'-((3-Nitrophenyl)methylene)diacrylamide (CAS 303061-64-5)
- N1-(Isoxazol-3-yl)-N2-(2-methoxybenzyl)oxalamide (CAS 899743-92-1)
- N-(5-(Benzo[d][1,3]dioxol-5-yl)-1,3,4-oxadiazol-2-yl)isobutyramide (CAS 922090-25-3)
- N1-(Isoxazol-3-yl)-N2-(3-methoxybenzyl)oxalamide (CAS 899974-53-9)
- tert-Butyl 5-cyano-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate (CAS 1185427-07-9)
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- 2-methyl-3-(methylamino)propanenitrile (CAS 50840-30-7)
- 5-Ethoxy-N-(imino(pyridin-2-yl)methyl)-2-phenyloxazole-4-carboxamide (CAS 88584-28-5)
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- tert-Butyl (3-(3-formyl-2-oxo-1,2-dihydropyridin-4-yl)propyl)carbamate (CAS 1393568-00-7)
- (4-Isopropoxybenzoyl)proline (CAS 1770751-65-9)
- H-β-(3-Pyridyl)-DL-Ala-OH (CAS 17470-24-5)
- (Pro30,Tyr32,Leu34)-Neuropeptide Y (28-36) (CAS 161650-01-7)
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