2',3-Difluoro-5'-(methoxycarbonyl)-[1,1'-biphenyl]-4-carboxylic acid CAS 1261912-20-2
| CAS No. | 1261912-20-2 |
| Molecular Formula | C15H10F2O4 |
| Molecular Weight | 292.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 292.23 g/mol gives 2',3-Difluoro-5'-(methoxycarbonyl)-[1,1'-biphenyl]-4-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2',3-Difluoro-5'-(methoxycarbonyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261912-20-2), molecular formula C15H10F2O4 and molecular weight 292.23 g/mol, is a CATO reference standard with documented purity and traceability.
2',3-Difluoro-5'-(methoxycarbonyl)-[1,1'-biphenyl]-4-carboxylic acid (C15H10F2O4) contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2',3-Difluoro-5'-(methoxycarbonyl)-[1,1'-biphenyl]-4-carboxylic acid 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.
Physical & Chemical Properties
| Molecular Formula | C15H10F2O4 |
| Molecular Weight | 292.23 g/mol |
| Appearance | Pale yellow to 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
Related Difluoro Standards
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