Clotrimazole Impurity 23 CAS 289887-34-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 289887-34-9 |
| Molecular Formula | C23H19ClN2 |
| Molecular Weight | 358.86 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Clotrimazole Impurity 23 (CAS 289887-34-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H19ClN2. Molecular weight: 358.86 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C23H19ClN2 |
| Molecular Weight | 358.86 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Clotrimazole Standards
- Clotrimazole Impurity 24 (CAS 98751-53-2)
- Clotrimazole-d5 (CAS 1185076-41-8)
- Clotrimazole TRAM-34 Impurity (CAS 289905-88-0)
- Clotrimazole Impurity 19 (CAS 23593-76-2)
- Clotrimazole EP Impurity B (CAS 23593-71-7)
- Clotrimazole (CAS 23593-75-1)
- Clotrimazole Impurity 29 (CAS 103855-36-3)
- Clotrimazole Impurity 9 (CAS 23593-68-2)
Recommended Standards
- n-(6-Amino-1-butyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-n-butyl-4-chlorobutanamide (CAS 730950-06-8)
- n-(6-Amino-1-butyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-4-chloro-N-isobutylbutanamide (CAS 730949-93-6)
- Clemastine Impurity 24 (CAS CATO-C4X-183724)
- Norfloxacin EP Impurity D (CAS 75001-82-0)
- Simvastatin Impurity 26 (CAS CATO-C4X-119926)
- 6-ethyl-2-oxo-1,2,5,6,7,8-hexahydroquinoline-3-carbonitrile (CAS 1249858-53-4)
- Methyl 4-(2,6-dichloro-3-fluorophenyl)-2,4-dioxobutanoate (CAS 1152590-36-7)
- 4-Fluoro-2-hydrazinylbenzo[d]thiazole (CAS 753441-57-5)
- Canagliflozin Tetraacetate (CAS 866607-35-4)
- Neuropeptide K, porcine (CAS 106441-70-7)
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