Valaciclovir EP Impurity A CAS 66224-64-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 66224-64-4 |
| Molecular Formula | C5H5N5O |
| Molecular Weight | 151.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Valaciclovir EP Impurity A (CAS 66224-64-4) pharmacopoeial impurity standards reference standard. Molecular formula: C5H5N5O. Molecular weight: 151.13 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H5N5O |
| Molecular Weight | 151.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 5 |
Related Valaciclovir Standards
- Valaciclovir Hydrochloride EP Impurity F (CAS CATO-C4X-124858)
- Valaciclovir EP Impurity G (CAS 1122-58-3)
- Valaciclovir Nitroso Impurity 48 (CAS CATO-C4X-124848)
- Valaciclovir Impurity 35 (CAS 21691-44-1)
- Valaciclovir EP Impurity I (CAS 102728-64-3)
- Valaciclovir EP Impurity H (CAS 84499-64-9)
- Valaciclovir Impurity 1 (CAS 142963-69-7)
- Valaciclovir Hydrochloride Dihydrate (CAS 502421-45-6)
Recommended Standards
- Ganciclovir EP Impurity F (CAS 73-40-5)
- Fludarabine Phosphate EP Impurity B (CAS 149297-79-0)
- N-(Pyrazolo[1,5-a][1,3,5]triazin-4-yl)hydroxylamine (CAS 71774-62-4)
- Azacitidine Impurity 34 (CAS CATO-C4X-138834)
- Linezolid Impurity 88 (CAS 1233955-40-2)
- Isoamyl 4-Hydroxybenzoate (CAS 6521-30-8)
- ((2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)methyl 4-methylbenzenesulfonate (CAS 6619-09-6)
- Ethyl 3-Methylpyridine-2-carboxylate (CAS 58997-10-7)
- ((3-Chlorophenyl)sulfonyl)proline (CAS 1164136-21-3)
- Liraglutide Impurity 18 TFA Salt (CAS CATO-C4X-199218)
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