Methyl 2,5-dihydro-5-oxo-1-phenyl-1H-1,2,4-triazole-3-carboxylate CAS 109519-47-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 109519-47-3 |
| Molecular Formula | C10H10N3O3 |
| Molecular Weight | 220.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Methyl 2,5-dihydro-5-oxo-1-phenyl-1H-1,2,4-triazole-3-carboxylate (CAS 109519-47-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10N3O3. Molecular weight: 220.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H10N3O3 |
| Molecular Weight | 220.20 g/mol |
| Appearance | Off-white to pale 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 5-(4-Fluoro-2-methylphenyl)furan-2-carboxylic acid (CAS 1094267-55-6)
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- 2-(2-Fluorophenyl)-4-methyl-1H-imidazole-5-carboxylic acid (CAS 1083318-28-8)
- 4-(4-Nitrophenyl)-1H-pyrazole (CAS 114474-26-9)
- (1-Acetyl-2,2,6,6-tetramethylpiperidin-4-ylidene)amino benzoate (CAS 478079-92-4)
- Netupitant Impurity 5 (CAS CATO-C4X-12235)
- 1-(Quinolin-2-yl)propan-2-amine dihydrochloride (CAS 1423029-21-3)
- (3R,4S,5S)-3-Methoxy-5-methyl-4-(methylamino)heptanoic Acid 1,1-Dimethylethyl Ester HCl (CAS 120205-48-3)
- 3-(2,3-dihydrobenzofuran-7-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine (CAS 875639-25-1)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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