Famciclovir USP Related Compound B CAS 104227-88-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 104227-88-5 |
| Molecular Formula | C12H17N5O3 |
| Molecular Weight | 279.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Famciclovir USP Related Compound B (CAS 104227-88-5) pharmacopoeial impurity standards reference standard. Molecular formula: C12H17N5O3. Molecular weight: 279.30 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H17N5O3 |
| Molecular Weight | 279.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 5 |
Related Famciclovir Standards
- Famciclovir Impurity 4 (CAS 234110-22-6)
- Famciclovir Impurity 15 (CAS CATO-C4X-164215)
- Famciclovir Impurity 27 (CAS CATO-C4X-164227)
- Famciclovir impurity 3 (CAS 172529-94-1)
- Famciclovir impurity 3 (CAS 97845-65-3)
- Famciclovir Impurity 6 (CAS 122497-20-5)
- Famciclovir Impurity 12 (CAS CATO-C4X-164212)
- Famciclovir USP Related Compound C (CAS 174155-70-5)
Recommended Standards
- Levosimendan Impurity 19 (CAS CATO-C4X-130819)
- Imidacloprid impurity 5 (CAS CATO-C4X-25415)
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- Aminocaproic Acid Impurity 5 (CAS CATO-C4X-25715)
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- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)butan-1-amine (CAS 894694-06-5)
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- 3-Bromo-7-(trifluoromethoxy)quinolin-4-amine (CAS 1065088-17-6)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
Why CATO?
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com