| CAS No. | 76703-63-4 |
| Molecular Formula | C23H19ClF3NO3 |
| Molecular Weight | 449.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Cyhalothrin Impurity 5 (CAS 76703-63-4) is a high-purity analytical reference standard with the molecular formula C23H19ClF3NO3 and a molecular weight of 449.85 g/mol.
Based on its molecular formula C23H19ClF3NO3, Cyhalothrin Impurity 5 contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 449.85 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Cyhalothrin Impurity 5 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C23H19ClF3NO3 |
| Molecular Weight | 449.85 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |