Entecavir Impurity 34 CAS 1354695-79-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1354695-79-6 |
| Molecular Formula | C53H49N5O4 |
| Molecular Weight | 819.99 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Entecavir Impurity 34 (CAS 1354695-79-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C53H49N5O4. Molecular weight: 819.99 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C53H49N5O4 |
| Molecular Weight | 819.99 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) | 32.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 5 |
Related Entecavir Standards
- Entecavir Impurity 14 (CAS 142217-80-9)
- Entecavir Impurity 13 (CAS 142217-79-6)
- Entecavir Impurity 7 (CAS 1263274-06-1)
- Entecavir Impurity 12 (CAS 142217-78-5)
- Entecavir Impurity 79 (CAS CATO-C4X-107779)
- Entecavir Impurity 53 (CAS CATO-C4X-107753)
- Entecavir Impurity 72 (CAS CATO-C4X-107772)
- Entecavir Impurity 82 (CAS CATO-C4X-107782)
Recommended Standards
- Tacrolimus impurity 62 (CAS CATO-C4X-130062)
- 2,2',7,7'-Tetraiodo-9,9'-spirobi[fluorene] (CAS 137181-59-0)
- N,9,9-triphenyl-N-(4'-(triphenylsilyl)-[1,1'-biphenyl]-4-yl)-9H-fluoren-2-amine (CAS 2209040-18-4)
- Formoterol Impurity 104 (CAS CATO-C4X-1525104)
- Norfloxacin EP Impurity H (CAS 105440-01-5)
- 5,8-Dichloro-2-propylquinolin-4-amine (CAS 1189107-39-8)
- 1-(3-Fluoro-4-methylphenyl)-5-methyl-1,4-diazepane (CAS 1291881-23-6)
- 4-Amino-2-morpholinopyrimidine-5-carbonitrile (CAS 78318-43-1)
- 5-(p-Tolyl)-1,2,3-thiadiazole-4-carboxylic acid (CAS 1312139-85-7)
- Liraglutide(5-31)TFA Salt (CAS CATO-C4X-19924)
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