3-(5-Oxo-4,5-dihydro-1h-1,2,4-triazol-3-yl)benzoic acid CAS 1339242-86-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1339242-86-2 |
| Molecular Formula | C9H7N3O3 |
| Molecular Weight | 205.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-(5-Oxo-4,5-dihydro-1h-1,2,4-triazol-3-yl)benzoic acid (CAS 1339242-86-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7N3O3. Molecular weight: 205.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7N3O3 |
| Molecular Weight | 205.17 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 methanol, ethanol, DMSO |
| 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.) | 1991 |
| Nitrogen Atoms | 3 |
Related Oxo Standards
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- 4-(5-Oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl)benzoic acid (CAS 1695624-63-5)
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