7-(2-Chloro-4,5-difluorophenyl)-7-oxoheptanoic acid CAS 951891-52-4
| CAS No. | 951891-52-4 |
| Molecular Formula | C13H13ClF2O3 |
| Molecular Weight | 290.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-(2-Chloro-4,5-difluorophenyl)-7-oxoheptanoic acid (CAS 951891-52-4) is a high-purity analytical reference standard with the molecular formula C13H13ClF2O3 and a molecular weight of 290.69 g/mol.
Based on its molecular formula C13H13ClF2O3, 7-(2-Chloro-4,5-difluorophenyl)-7-oxoheptanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 290.69 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 7-(2-Chloro-4,5-difluorophenyl)-7-oxoheptanoic acid 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 | C13H13ClF2O3 |
| Molecular Weight | 290.69 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
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- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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