Sofosbuvir Impurity 57 CAS 1337529-56-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1337529-56-2 |
| Molecular Formula | C18H17F5NO5P |
| Molecular Weight | 453.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Sofosbuvir Impurity 57 (CAS 1337529-56-2) pharmacopoeial impurity standards reference standard. Molecular formula: C18H17F5NO5P. Molecular weight: 453.30 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H17F5NO5P |
| Molecular Weight | 453.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Sofosbuvir Standards
- Sofosbuvir Impurity N40 (CAS 1256490-52-4)
- Sofosbuvir Impurity 120 (CAS 2190510-88-2)
- Sofosbuvir Impurity 39 (CAS 1496551-91-7)
- Sofosbuvir Impurity 58 (CAS 1714114-25-6)
- Sofosbuvir Impurity 59 (CAS 1627824-09-2)
- Sofosbuvir Impurity 70 (CAS 1334513-02-8)
- Sofosbuvir Impurity 64 (CAS CATO-C4X-105264)
- Sofosbuvir Impurity 87 (CAS 157037-56-4)
Recommended Standards
- Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate (CAS 21395-43-7)
- Ethyl 4-bromo-6-methyl-7-oxo-1-tosyl-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-2-carboxylate (CAS 1445993-96-3)
- Etravirine impurity 11 (CAS CATO-C4X-135611)
- Relebactam Impurity 28 (CAS CATO-C4X-214428)
- Prednisolone Impurity 19 (CAS 61549-70-0)
- 5-Oxo-1-o-tolyl-pyrrolidine-3-carboxylic acid (CAS 56617-44-8)
- N-[2-(2,5-Dimethylphenoxy)ethyl]-2-(2-phenoxyethoxy)aniline (CAS 1040687-30-6)
- 3,4,5-Trichloropyridine-2-carboxylic acid (CAS 5439-04-3)
- 2-[(2',6'-Dichlorophenyl)amino]-5-methoxyphenyl-N,N-dimethylacetamide 2-[(2,6-Dichlorophenyl)amino]-5-methoxy-N,N-dimethyl-benzeneacetamide 2-[2-(2,6-Dichloro-phenylamino)-5-methoxy-phenyl]-N,N-dimethylacetamide 698357-92-5 (CAS 698357-92-5)
- Des-Asp15-Tirzepatide (CAS CATO-CPTD788958)
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