1-(3-Aminophenyl)-5-ethyl-1h-1,2,3-triazole-4-carboxylic acid CAS 1147675-34-0
| CAS No. | 1147675-34-0 |
| Molecular Formula | C11H12N4O2 |
| Molecular Weight | 232.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3-Aminophenyl)-5-ethyl-1h-1,2,3-triazole-4-carboxylic acid (CAS 1147675-34-0) is a high-purity analytical reference standard with the molecular formula C11H12N4O2 and a molecular weight of 232.24 g/mol.
Based on its molecular formula C11H12N4O2, 1-(3-Aminophenyl)-5-ethyl-1h-1,2,3-triazole-4-carboxylic acid 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 232.24 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.
As a certified reference material (CRM), 1-(3-Aminophenyl)-5-ethyl-1h-1,2,3-triazole-4-carboxylic acid 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 | C11H12N4O2 |
| Molecular Weight | 232.24 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
Related Aminophenyl Standards
- Ethyl 3-(3-aminophenyl)-1H-1,2,4-triazole-5-carboxylate (CAS 1416340-86-7)
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- Ethyl 5-(4-aminophenyl)isoxazole-3-carboxylate (CAS 908802-68-6)
- Ethyl 5-(4-Aminophenyl)oxazole-4-carboxylate (CAS 950603-70-0)
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