Clotrimazole Impurity 15 CAS 2136-81-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 2136-81-4 |
| Molecular Formula | C7H4Cl4 |
| Molecular Weight | 229.92 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Clotrimazole Impurity 15 (CAS 2136-81-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4Cl4. Molecular weight: 229.92 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl4 |
| Molecular Weight | 229.92 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Clotrimazole Standards
- Clotrimazole EP Impurity E (CAS 5162-03-8)
- Clotrimazole Impurity 26 (CAS 29921-41-3)
- Clotrimazole Impurity 12 (CAS 15145-69-4)
- Clotrimazole Impurity 25 (CAS 3509-85-1)
- Clotrimazole Impurity 20 (CAS 3005-50-3)
- Clotrimazole Impurity 27 (CAS 56153-60-7)
- Clotrimazole Impurity 1 (CAS 968-39-8)
- Clotrimazole EP Impurity A (CAS 66774-02-5)
Recommended Standards
- Clevidipine Butyrate impurity 27 (CAS 57058-14-7)
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- N-Nitroso Valaciclovir Impurity P (CAS CATO-C4X-124852)
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- Methyl 2,3-diamino-5-chlorobenzoate (CAS 314248-61-8)
- 2-(Isopropyl(1-(thiazol-2-yl)ethyl)amino)acetic acid (CAS 1353947-25-7)
- 5-Amino-1,3,4-thiadiazole-2-carbaldehyde (CAS 29422-54-6)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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