Ensifentrine impurity 23 CAS 43113-25-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 43113-25-3 |
| Molecular Formula | C20H16N2O5 |
| Molecular Weight | 364.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Ensifentrine impurity 23 (CAS 43113-25-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H16N2O5. Molecular weight: 364.35 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H16N2O5 |
| Molecular Weight | 364.35 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 2 |
Related Ensifentrine Standards
- Ensifentrine impurity 12 (CAS CATO-C4X-335312)
- Ensifentrine impurity 24 (CAS CATO-C4X-335324)
- Ensifentrine impurity 25 (CAS CATO-C4X-335325)
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- Ensifentrine impurity 16 (CAS CATO-C4X-335316)
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Why CATO?
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