1-Chloro-3-(2-chloro-4-fluorophenyl)propan-2-one CAS 128426-46-0
| CAS No. | 128426-46-0 |
| Molecular Formula | C9H7Cl2FO |
| Molecular Weight | 221.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Chloro-3-(2-chloro-4-fluorophenyl)propan-2-one (CAS 128426-46-0) is a high-purity analytical reference standard with the molecular formula C9H7Cl2FO and a molecular weight of 221.06 g/mol.
Structurally, 1-Chloro-3-(2-chloro-4-fluorophenyl)propan-2-one (C9H7Cl2FO) contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 221.06 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-Chloro-3-(2-chloro-4-fluorophenyl)propan-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H7Cl2FO |
| Molecular Weight | 221.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
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Recommended Standards
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- Tofacitinib Impurity 203 (CAS CATO-C4X-1079203)
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- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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