3-(4-Fluoro-2-methoxyphenyl)phenylacetic acid CAS 1345472-33-4
| CAS No. | 1345472-33-4 |
| Molecular Formula | C15H13FO3 |
| Molecular Weight | 260.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(4-Fluoro-2-methoxyphenyl)phenylacetic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(4-Fluoro-2-methoxyphenyl)phenylacetic acid (CAS 1345472-33-4), molecular formula C15H13FO3 and molecular weight 260.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Fluoro-2-methoxyphenyl)phenylacetic acid (C15H13FO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 260.26 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
As a certified reference material (CRM), 3-(4-Fluoro-2-methoxyphenyl)phenylacetic 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 | C15H13FO3 |
| Molecular Weight | 260.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
Related Fluoro Standards
- 8-Fluoro-2-methyl-1H,2H,3H,4H-benzo[b]1,6-naphthyridine-10-carboxylic acid (CAS 1016501-46-4)
- 1-(2-fluoro-5-methylphenyl)-1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylic acid (CAS 1038738-52-1)
- 1-(2-Fluoro-4-methylphenyl)-1h,4h,5h,6h-cyclopenta[c]pyrazole-3-carboxylic acid (CAS 1039900-17-8)
- 2'-Fluoro-2-(methoxymethyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1243559-19-4)
- Benzyl (5-fluoro-6-methylpyridin-3-yl)carbamate (CAS 1253383-92-4)
- 2'-Fluoro-3'-methoxy-2-methyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261957-73-6)
- 3-(2-Fluoro-5-methylphenyl)-5-methoxybenzoic acid (CAS 1261971-58-7)
- 4-(4-Fluoro-3-methoxyphenyl)-3-methylbenzoic acid (CAS 1261998-28-0)
Recommended Standards
- 2-(3'-Fluoro-4'-methoxy-[1,1'-biphenyl]-4-yl)acetic acid (CAS 1334500-08-1)
- 2-Amino-N-ethyl-N-(3-(trifluoromethyl)benzyl)acetamide (CAS 1353983-38-6)
- 2-Fluoro-n-(4,5,6,7-tetrahydro-1-benzofuran-4-yl)pyridine-4-carboxamide (CAS 1303779-02-3)
- (S)-2-Amino-N-methyl-N-(3-(trifluoromethyl)benzyl)propanamide (CAS 1354008-52-8)
- 5,6-Dihydro-4,4,6-trimethyl-2-vinyl-1,3(4H)-oxazine (CAS 23878-88-8)
- 1,4-Dioxa-10-azadispiro[4.2.48.25]tetradecan-11-one (CAS 914780-95-3)
- Estradiol-3,17b-dibutyrate (CAS 63042-23-9)
- (3-Methyl-1-pentyl-1h-pyrazol-4-yl)methanamine (CAS 1427380-96-8)
- N'-(1-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-iodo-2-oxo-1,2-dihydropyrimidin-4-yl)-N,N-dimethylformimidamide (CAS 717876-93-2)
- (2E)-3-[4-(Pyrrolidin-1-ylsulfonyl)phenyl]acrylic acid (CAS 309733-71-9)
- (2-(Piperazin-1-yl)pyridin-3-yl)(pyrrolidin-1-yl)methanone (CAS 902836-06-0)
- 1-(4-Chlorobenzyl)piperidin-3-aminesulfate (CAS 1019331-35-1)
- 5-Methyl-1-(3-methylphenyl)-1h-pyrazol-4-amine (CAS 1249954-55-9)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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