Vardenafil Impurity 8 CAS 224789-20-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 224789-20-2 |
| Molecular Formula | C15H16N4O2 |
| Molecular Weight | 284.31 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Vardenafil Impurity 8 (CAS 224789-20-2) pharmacopoeial impurity standards reference standard. Molecular formula: C15H16N4O2. Molecular weight: 284.31 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C15H16N4O2 |
| Molecular Weight | 284.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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.) | 2021 |
| Nitrogen Atoms | 4 |
Related Vardenafil Standards
- Vardenafil Impurity 46 (CAS 1417529-59-9)
- Vardenafil Impurity 21 (Mixture of E/Z-Isomers) (CAS 68282-25-7)
- Vardenafil Impurity 51 (CAS CATO-C4X-101751)
- Vardenafil Impurity 52 (CAS 224789-22-4)
- Vardenafil Impurity 21 (CAS 927690-90-2)
- Vardenafil Impurity 47 (CAS 910554-78-8)
- Vardenafil Impurity 18 (CAS 68282-26-8)
- Vardenafil Impurity 24 (CAS 910554-77-7)
Recommended Standards
- 5,12-dihydroquinoxalino[2,3-b]phenazine (CAS 531-47-5)
- Mirabegron Impurity 125 (CAS CATO-C4X-1032125)
- 871127-74-1 5-OXO-5-(4-PHENOXYPHENYL)VALERIC ACID DTXSID70468335 (CAS 871127-74-1)
- Cetirizine Dihydrochloride EP Impurity E (CAS CATO-C4X-108351)
- Isavuconazole Impurity 192 (CAS CATO-C4X-1236192)
- tert-Butyl dodec-11-en-1-ylcarbamate (CAS 1286254-56-5)
- 3-Bromo-2,5-dimethoxyphenol (CAS 202735-34-0)
- 2-[1-(prop-2-enoyl)azetidin-3-yl]acetic acid (CAS 1341949-52-7)
- Methyl 2-Amino-2-(4-tetrahydropyranyl)acetate (CAS 477585-43-6)
- (D-Trp32)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 153549-78-1)
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