Sildenafil EP Impurity E CAS 5587-42-8
| 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
CATO supplies Sildenafil EP Impurity E (CAS 5587-42-8), a certified reference material (molecular formula C3H3N2Na, MW 90.06 g/mol) for analytical method development and quality control.
Based on its molecular formula C3H3N2Na, Sildenafil EP Impurity E contains a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 90.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Sildenafil EP Impurity E under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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)
- Sildenafil Impurity 66 (CAS 51409-86-0)
- 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 18665070610 / Nicole.chen@cato-chem.com