Vardenafil Impurity 55 CAS 2520113-41-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2520113-41-9 |
| Molecular Formula | C15H16N4O5S |
| Molecular Weight | 364.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Vardenafil Impurity 55 (CAS 2520113-41-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C15H16N4O5S. Molecular weight: 364.38 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C15H16N4O5S |
| Molecular Weight | 364.38 g/mol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Vardenafil Standards
- Vardenafil Impurity 24 (CAS 910554-77-7)
- Vardenafil Impurity 39 (CAS 2580939-41-7)
- Vardenafil Impurity 50 (CAS CATO-C4X-101750)
- Vardenafil Impurity 67 (CAS 448184-60-9)
- Vardenafil EP Impurity B (CAS 437717-43-6)
- Vardenafil Impurity 21 (CAS 927690-90-2)
- Vardenafil Impurity 47 (CAS 910554-78-8)
- Vardenafil Impurity 60 (CAS CATO-C4X-101760)
Recommended Standards
- Riociguat Impurity 1 (CAS 1702271-98-4)
- N-[1-Methyl-5-(methylsulfanyl)-1H-1,2,4-triazol-3-yl]-3-{[(4-nitrobenzyl)oxy]imino}propanamide (CAS 338394-96-0)
- Sulfometuron-Methyl (CAS 74222-97-2)
- Sitafloxacin Impurity 33 (CAS CATO-C4X-115533)
- Propofol Impuirity 45 (CAS CATO-C4X-147345)
- Avanafil Impurity 83 (CAS 2221018-00-2)
- N-(2-(Methacryloyloxy)ethyl)-N,N-dimethyltetradecan-1-aminium bromide (CAS 93963-45-2)
- 5-Bromo-1-methoxyisoquinolin-4-amine (CAS 1781537-72-1)
- Faropenem Sodium Hemipentahydrate (CAS 1983865-90-2)
- Semaglutide-d8 Tetratrifluoroacetate (CAS CATO-C4X-222617)
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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