Sildenafil EP Impurity E CAS 5587-42-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5587-42-8 |
| Molecular Formula | C3H3N2Na |
| Molecular Weight | 90.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Sildenafil EP Impurity E (CAS 5587-42-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C3H3N2Na. Molecular weight: 90.06 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C3H3N2Na |
| Molecular Weight | 90.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Sildenafil Standards
- Sildenafil Impurity 70 (CAS 90324-69-9)
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- Sildenafil Impurity 67 (CAS 3312-58-1)
- Sildenafil Impurity 64 (CAS 59023-32-4)
- Sildenafil Impurity 42 (CAS 1441-87-8)
- Sildenafil Impurity 40 (CAS 1185292-79-8)
- Sildenafil Impurity 286 (CAS CATO-C4X-1128286)
- Sildenafil Impurity 39 (CAS 76424-56-1)
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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
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com