Risperidone EP Impurity B CAS 132961-05-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 132961-05-8 |
| Molecular Formula | C23H28F2N4O2 |
| Molecular Weight | 430.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Risperidone EP Impurity B (CAS 132961-05-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H28F2N4O2. Molecular weight: 430.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C23H28F2N4O2 |
| Molecular Weight | 430.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Risperidone Standards
- Risperidone EP Impurity A and B(Mixture of E and Z Isomers) (CAS 158697-66-6)
- Risperidone EP Impurity A (CAS 691007-09-7)
- Risperidone Impurity 29 (CAS 832747-55-4)
- Risperidone Impurity 30 (CAS 1894509-66-0)
- Risperidone Impurity 39 (CAS CATO-C4X-111139)
- Risperidone Pyrimidinone-N-oxide (CAS 1301724-91-3)
- Risperidone EP Impurity C (CAS 130049-85-3)
- Risperidone EP Impurity C ((S)-Isomer) (CAS 147663-01-2)
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