Entecavir Impurity 7 CAS 1263274-06-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1263274-06-1 |
| Molecular Formula | C52H49N5O5 |
| Molecular Weight | 823.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Entecavir Impurity 7 (CAS 1263274-06-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C52H49N5O5. Molecular weight: 823.98 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C52H49N5O5 |
| Molecular Weight | 823.98 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 31.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 5 |
Related Entecavir Standards
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Recommended Standards
- C3a (70-77) (CAS 63555-63-5)
- (b-Ala70)-C3a (H-1650.0025) (CAS 105931-71-3)
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- N,N-diethylpyrrolidine-2-carboxamide hydrochloride (CAS 1048649-03-1)
- N-(4-chlorobenzyl)-2-((3-cyano-4-(trifluoromethyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)thio)acetamide (CAS 626227-36-9)
- Methyl 2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxylate (CAS 55544-00-8)
- (2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-(((2-fluoroethyl)thio)methyl)tetrahydrofuran-3,4-diol (CAS 134782-17-5)
- Ibuprofen Impurity 85 (CAS CATO-C4X-108285)
- 1-(4-Fluorophenyl)-1h-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 924022-47-9)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
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