Entecavir-13C2,15N CAS 1329796-53-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1329796-53-3 |
| Molecular Formula | C10[13C]2H15N4[15N]O3 |
| Molecular Weight | 280.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Entecavir-13C2,15N (CAS 1329796-53-3) pharmaceutical standards reference standard. Molecular formula: C10[13C]2H15N4[15N]O3. Molecular weight: 280.26 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C10[13C]2H15N4[15N]O3 |
| Molecular Weight | 280.26 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 methanol, ethanol, DMSO |
| 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.) | 1991 |
| Nitrogen Atoms | 5 |
Related Entecavir Standards
- Entecavir Impurity 76 (Racemic mixture) (CAS CATO-C4X-107776)
- Entecavir (CAS 142217-69-4)
- Entecavir EP Impurity D (CAS 1367369-80-9)
- Entecavir Impurity 17 (CAS CATO-C4X-107717)
- Entecavir EP Impurity B (CAS 1367369-77-4)
- Entecavir Impurity 71 (CAS CATO-C4X-107771)
- Entecavir EP Impurity A (CAS 1367369-78-5)
- Entecavir Impurity 59 (CAS CATO-C4X-107759)
Recommended Standards
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- Sulbactam Impurity 31 (CAS CATO-C4X-175631)
- 4-(Difluoromethyl)-5-methoxy-3-nitro-2-(trifluoromethyl)pyridine (CAS 1806034-90-1)
- (2R)-2-(dimethylamino)-3-phenylpropanoic acid (CAS 174222-78-7)
- 4-Bromo-3-chlorobenzo[b]thiophene-2-carbohydrazide (CAS 725227-19-0)
- 3,5-Difluoro-1,5-Cyclohexadiene-1,4-Diol (CAS 175359-13-4)
- (R)-3-(4-(pyridin-3-yl)-1H-imidazol-2-yl)morpholine (CAS 1421051-51-5)
- 3-Methyl ellagic acid (CAS 51768-38-8)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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