Clozapine EP Impurity B CAS 263366-81-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 263366-81-0 |
| Molecular Formula | C30H24Cl2N6 |
| Molecular Weight | 539.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Clozapine EP Impurity B (CAS 263366-81-0) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C30H24Cl2N6. Molecular weight: 539.46 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C30H24Cl2N6 |
| Molecular Weight | 539.46 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
Related Clozapine Standards
- Clozapine Impurity 25 (CAS CATO-C4X-134025)
- Clozapine-5-N-Glucuronide Sodium Salt (CAS 390651-03-3)
- Clozapine Impurity 21 (CAS CATO-C4X-134021)
- Clozapine Impurity 14 (CAS 1025951-76-1)
- Clozapine Impurity 15 (CAS 156632-03-0)
- Clozapine EP Impuirty C-D8 N-nitroso (CAS CATO-C4X-134018)
- Clozapine EP Impurity D (CAS 65514-71-8)
- Clozapine N-Oxide (CAS 34233-69-7)
Recommended Standards
- Triamcinolone Acetonide Impurity 47 (CAS 25092-29-9)
- 4-Chloro-N-(4-chlorophenyl)-N-[(2,3-diphenyl-1,2-oxazolidin-5-yl)methyl]benzene-1-sulfonamide (CAS 306978-08-5)
- 2-(3-Bromophenyl)-2',6,6'-triphenyl-4,4'-bipyridine (CAS 1956340-64-9)
- Minoxidil Impurity 24 (CAS CATO-C4X-170024)
- Cefminox Impurity 15 (CAS CATO-C4X-192615)
- 1-Methyl-6,7-dimethoxy-3,4-dihydroisoquinoline, 99+% (CAS 4721-98-6)
- 2-(4-Hydroxy-6-(phenylthio)isoquinoline-3-carboxamido)acetic acid (CAS 808116-39-4)
- 4-(3,4-Dimethylphenyl)-5-methyl-4H-1,2,4-triazole-3-thiol (CAS 663181-78-0)
- 2,2-Difluoro-1,3-diphenylpropane-1,3-dione (CAS 365-00-4)
- Palmitoyl Tripeptide-8 TFA salt (CAS 936544-53-5)
Why CATO?
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