Ketoconazole Impurity 9 CAS 331949-30-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 331949-30-5 |
| Molecular Formula | C18H15BrCl2O4 |
| Molecular Weight | 446.12 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Ketoconazole Impurity 9 (CAS 331949-30-5) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H15BrCl2O4. Molecular weight: 446.12 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H15BrCl2O4 |
| Molecular Weight | 446.12 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
Related Ketoconazole Standards
- Ketoconazole impurity 34 (CAS CATO-C4X-147234)
- Ketoconazole Impurity 36 (CAS CATO-C4X-147236)
- Ketoconazole Impurity 6 (CAS 61397-56-6)
- Ketoconazole Impurity 10 (CAS 70894-66-5)
- Ketoconazole impurity 30 (CAS CATO-C4X-147230)
- Ketoconazole EP Impurity E (CAS 134071-44-6)
- Ketoconazole Impurity 14 (CAS 170210-50-1)
- Ketoconazole impurity 32 (CAS CATO-C4X-147232)
Recommended Standards
- Perfluoro(4-methyl-3,6-dioxaoct-7-ene)sulfonyl Fluoride (CAS 16090-14-5)
- (7-Bromo-6-(bromomethyl)-2-methyl-4-oxoquinazolin-3(4H)-yl)methyl pivalate (CAS 140395-66-0)
- 3-(2,4-Dichlorobenzoyl)-5-(3,4-dichlorobenzylidene)-2-thioxoimidazolidin-4-one (CAS 732288-03-8)
- Leflunomide Impurity 15 (CAS 4637-24-5)
- Nilotinib Impurity 16 (CAS 641571-13-3)
- 2,4,5,6-Tetrachloroquinazoline (CAS 78052-21-8)
- [2-(4-Ethoxyphenyl)-5-methyl-1,3-oxazol-4-yl]methanol (CAS 1031630-25-7)
- 1-(4-Fluorobenzoyl)cyclopropan-1-amine (CAS 1017487-17-0)
- 2-Amino-5-methoxypyridine (CAS 10167-97-2)
- FMRF Amide Related Peptide. (CAS 149471-12-5)
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