Flupirtine Impurity 2 CAS 33400-49-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 33400-49-6 |
| Molecular Formula | C12H11FN4O2 |
| Molecular Weight | 262.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Flupirtine Impurity 2 (CAS 33400-49-6) pharmacopoeial impurity standards reference standard. Molecular formula: C12H11FN4O2. Molecular weight: 262.24 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H11FN4O2 |
| Molecular Weight | 262.24 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, keep tightly closed to prevent evaporation |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Flupirtine Standards
- Flupirtine Impurity 4 (CAS 1506942-35-3)
- Flupirtine Impurity 3 (CAS 951624-49-0)
- Flupirtine Impurity C (CAS 21626-43-7)
- Flupirtine-D5 (CAS 56995-20-1)
- Flupirtine Impurity H (CAS 16013-85-7)
- Flupirtine Impurity G (CAS 27048-04-0)
- Flupirtine Impurity 6 (CAS CATO-C4X-10426)
- Flupirtine Impurity 8 (CAS 140-75-0)
Recommended Standards
- n-(3-Amino-4-fluorophenyl)-2-(2-oxo-1,2-dihydropyrimidin-1-yl)acetamide (CAS 953732-34-8)
- Regorafenib Impurity 36 (CAS 864245-61-4)
- Methyl 2-(3-(4-fluorophenyl)-6-oxopyridazin-1(6H)-yl)acetate (CAS 853330-00-4)
- Atracurium Impurity 82 (CAS 1075726-70-3)
- Pralidoxime Chloride Impurity 11 (CAS 21032-31-5)
- 1-(2,4-Dichloro-5-isopropoxyphenyl)-5-methyl-N-(3-(trifluoromethyl)phenyl)-1H-1,2,4-triazole-3-carboxamide (CAS 400088-36-0)
- 2-(Bromomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid (CAS 1805024-12-7)
- Dicyclohexylphosphinic acid (CAS 832-39-3)
- 8-Ethyl-2,4-dimethoxyquinoline (CAS 443687-63-6)
- (Glu1)-Fibrinopeptide B (human) (CAS 103213-49-6)
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