2-((4-(2-Chloro-4-fluorophenyl)-2-oxo-2H-chromen-7-yl)oxy)propanoic acid CAS 2304621-92-7
| CAS No. | 2304621-92-7 |
| Molecular Formula | C18H12ClFO5 |
| Molecular Weight | 362.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-((4-(2-Chloro-4-fluorophenyl)-2-oxo-2H-chromen-7-yl)oxy)propanoic acid (CAS 2304621-92-7), molecular formula C18H12ClFO5 and molecular weight 362.74 g/mol, is a CATO reference standard with documented purity and traceability.
2-((4-(2-Chloro-4-fluorophenyl)-2-oxo-2H-chromen-7-yl)oxy)propanoic acid (C18H12ClFO5) contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. Halogen substitution raises its density and boiling point, 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).
As a certified reference material (CRM), 2-((4-(2-Chloro-4-fluorophenyl)-2-oxo-2H-chromen-7-yl)oxy)propanoic 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 | C18H12ClFO5 |
| Molecular Weight | 362.74 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- (R)-2-((4-(2-Chloro-4-fluorophenyl)-2-oxo-2H-chromen-7-yl)oxy)propanoic acid (CAS 2304622-97-5)
- N'-(4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)butanoyl)-2-cyanoacetohydrazonamide (CAS 338410-08-5)
- 3-(4-Chloro-3-isopropoxyphenyl)-1-methyl-6-(trifluoromethyl)pyrimidine-2,4(1H,3H)-dione (CAS 133762-96-6)
- (4E)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-4-[(dimethylamino)methylidene]-3-ethoxy-4,5-dihydro-1H-pyrazol-5-one (CAS 338420-92-1)
- 5-(((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)methyl)-N-cyclopropyl-4,5-dihydroisoxazole-3-carboxamide (CAS 338399-52-3)
- N-[4-Chloro-3-(trifluoromethyl)phenyl]-1-{[(furan-2-yl)methyl]carbamothioyl}formamide (CAS 329078-89-9)
- 3-(2-Chloro-6-fluorophenyl)-N-(4-fluorobenzyl)-5-methylisoxazole-4-carboxamide (CAS 866150-68-7)
- Ethyl 3-((5-chloro-2-nitrophenyl)(phenyl)aMino)-3-oxopropanoate (CAS 22316-45-6)
Recommended Standards
- 2-Amino-5-[(2-chloro-6-fluorophenyl)methyl]-5-(3-nitrophenyl)-4,5-dihydro-1H-imidazol-4-one (CAS 1354919-21-3)
- Afatinib Impurity 82 (CAS CATO-C4X-100682)
- 1,4-Bis(triisopropylsilyl)buta-1,3-diyne (CAS 125251-42-5)
- Gefitinib Impurity 16 (CAS CATO-C4X-111716)
- 3-(3-Bromo-4-fluorophenyl)acrylaldehyde (CAS 1562792-71-5)
- (S)-tert-Butyl 3-(2-aminophenoxy)pyrrolidine-1-carboxylate (CAS 1286208-28-3)
- 3-(3,5-Dimethyl-1H-pyrazol-1-yl)acrylaldehyde (CAS 50771-79-4)
- 1H-Benzo[d]imidazole-2-carboxylic acid, 97% (CAS 2849-93-6)
- 3-(4-Ethoxyphenyl)butan-1-amine (CAS 1225708-18-8)
- 3-Iodo-3-methylbenzophenone (CAS 951887-36-8)
- 4-Amino-6-bromocinnoline-3-carboxamide (CAS 161373-36-0)
- 3-[7-(1-ethyl-3-methyl-1H-pyrazol-4-yl)[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]propanoic acid (CAS 1172048-86-0)
- 2-[(dimethylamino)methyl]quinazoline-4-thiol (CAS 923140-47-0)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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