1-(4-Nitro-benzyl)-1H-pyrazole-4-carboxylic acid ethyl ester CAS 1197233-25-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1197233-25-2 |
| Molecular Formula | C13H13N3O4 |
| Molecular Weight | 275.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 1-(4-Nitro-benzyl)-1H-pyrazole-4-carboxylic acid ethyl ester (CAS 1197233-25-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C13H13N3O4. Molecular weight: 275.26 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C13H13N3O4 |
| 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.) | 1989 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 2-(4-(((Benzyloxy)carbonyl)amino)-1h-pyrazol-1-yl)acetic acid (CAS 1178752-44-7)
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- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
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