Flupirtine Impurity C CAS 21626-43-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21626-43-7 |
| Molecular Formula | C12H12N4O2 |
| Molecular Weight | 244.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Flupirtine Impurity C (CAS 21626-43-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12N4O2. Molecular weight: 244.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H12N4O2 |
| Molecular Weight | 244.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 4 |
Related Flupirtine Standards
- Flupirtine Impurity 3 (CAS 951624-49-0)
- Flupirtine Impurity 4 (CAS 1506942-35-3)
- Flupirtine Impurity 2 (CAS 33400-49-6)
- Flupirtine Impurity H (CAS 16013-85-7)
- Flupirtine-D5 (CAS 56995-20-1)
- Flupirtine Impurity G (CAS 27048-04-0)
- Flupirtine Impurity 8 (CAS 140-75-0)
- Flupirtine Impurity 6 (CAS CATO-C4X-10426)
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