Flubendazole Impurity E CAS 66939-00-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66939-00-2 |
| Molecular Formula | C16H12FN3O3 |
| Molecular Weight | 313.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Flubendazole Impurity E (CAS 66939-00-2) pharmaceutical standards reference standard. Molecular formula: C16H12FN3O3. Molecular weight: 313.28 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C16H12FN3O3 |
| Molecular Weight | 313.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Flubendazole Standards
- Flubendazole (CAS 31430-15-6)
- Flubendazole D3 (methyl D3) (CAS 1173021-08-3)
- Flubendazole EP Impurity F (CAS 132119-20-1)
- Flubendazole EP Impurity A (CAS CATO-C4X-24384)
- Flubendazole EP Impurity G (CAS CATO-C4X-24387)
- Flubendazole EP Impurity C (CAS 1097107-40-8)
- Flubendazole EP Impurity D (CAS 1515807-30-3)
Recommended Standards
- Ethyl 3,5-dimethyl-1-(3-(trifluoromethyl)pyridin-2-yl)-1H-pyrazole-4-carboxylate (CAS 477711-15-2)
- N-ethyl-4-(4-methoxyphenoxy)-6-(trifluoromethyl)pyrimidin-2-amine (CAS 339010-95-6)
- 4-Fluoro-3-[(6-methyl-imidazo[1,2-a]pyridine-3-carbonyl)-amino]-benzoic acid (CAS 2088945-60-0)
- 2-Cyclohexylisonicotinohydrazide (CAS 1706455-10-8)
- 3-(Chloromethyl)-1,4,6,7-tetrahydropyrano[4,3-c]pyrazole hydrochloride (CAS 2138021-00-6)
- 5-Bromobenzofurazan 1-oxide (CAS 36387-84-5)
- N'-((1H-Indol-3-yl)methylene)-4-((4-chlorobenzyl)oxy)benzohydrazide (CAS 339201-57-9)
- (Z)-2-(4-(4-(tert-butyl)phenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-N'-hydroxyacetimidamide (CAS 866020-28-2)
- 4-(Aminomethyl)octane (CAS 857818-18-9)
- Des-Pro31-Tirzepatide (CAS CATO-CPTD788943)
Why CATO?
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com