Entacapone Impurity 2 CAS 150995-46-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 150995-46-3 |
| Molecular Formula | C12H11N3O5 |
| Molecular Weight | 277.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Entacapone Impurity 2 (CAS 150995-46-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C12H11N3O5. Molecular weight: 277.23 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H11N3O5 |
| Molecular Weight | 277.23 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.) | 2000 |
| Nitrogen Atoms | 3 |
Related Entacapone Standards
- Entacapone Impurity 01 (CAS 116314-52-4)
- Entacapone EP Impurity B (CAS 1215039-66-9)
- Entacapone Impurity 72 (CAS 893419-47-1)
- Entacapone Impurity 36 (CAS CATO-C4X-162936)
- Entacapone impurity 52 (CAS CATO-C4X-162952)
- Entacapone impurity 18 (CAS CATO-C4X-162918)
- Entacapone EP Impurity G (CAS 1364322-41-7)
- Entacapone Impurity 12 (CAS CATO-C4X-162912)
Recommended Standards
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- Mizoribine Impurity 4 (CAS CATO-C4X-17024)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com