Difenidol Impurity 3 CAS 63645-18-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 63645-18-1 |
| Molecular Formula | C16H17ClO |
| Molecular Weight | 260.76 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Difenidol Impurity 3 (CAS 63645-18-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H17ClO. Molecular weight: 260.76 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H17ClO |
| Molecular Weight | 260.76 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
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Recommended Standards
- Chlorphenamine EP Impurity C (CAS 20619-12-9)
- Benproperine Impurity 1 (CAS CATO-C4X-32461)
- 3479AF 5-Chloro-pyrrolo[2,3-b]pyridine-1-carboxylic acid tert-butyl ester 928653-82-1 C12H13ClN2O2 (CAS 928653-82-1)
- Ibutilide Impurity 13 (CAS CATO-C4X-211013)
- Maprotiline EP impurity C HCl (CAS 92202-51-2)
- LY-3031207, >98% (HPLC) (CAS 1381846-21-4)
- 3,5-Diphenyl-4H-1,2,4-triazole (CAS 2039-06-7)
- N,N-diethyl-2-(methylthio)thieno[2,3-d]pyrimidin-4-amine (CAS 383146-91-6)
- 2-(3-Chloro-2-methylphenyl)butan-2-ol (CAS 127450-90-2)
- (Pro3)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 299898-52-5)
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