1-(3,4-Difluorophenyl)-2-phenylethanone CAS 181697-30-3
| CAS No. | 181697-30-3 |
| Molecular Formula | C14H10F2O |
| Molecular Weight | 232.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system, 1-(3,4-Difluorophenyl)-2-phenylethanone is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 232.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-(3,4-Difluorophenyl)-2-phenylethanone (CAS 181697-30-3) is a high-purity analytical reference standard with the molecular formula C14H10F2O and a molecular weight of 232.23 g/mol.
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), 1-(3,4-Difluorophenyl)-2-phenylethanone 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 | C14H10F2O |
| Molecular Weight | 232.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | F-containing |
Related Difluorophenyl Standards
- (2,4-Difluorophenyl)(m-tolyl)methanone (CAS 1094311-95-1)
- (2,6-Difluorophenyl)(p-tolyl)methanone (CAS 122041-25-2)
- (3,4-Difluorophenyl)(p-tolyl)methanone (CAS 157165-29-2)
- (2,4-Difluorophenyl)(p-tolyl)methanone (CAS 170789-32-9)
- 1-(3,5-Difluorophenyl)-2-phenylethan-1-one (CAS 181697-20-1)
- (3,4-Difluorophenyl)(m-tolyl)methanone (CAS 844885-38-7)
- (3,4-Difluorophenyl)(o-tolyl)methanone (CAS 951887-24-4)
- (3,5-Difluorophenyl)(m-tolyl)methanone (CAS 844885-06-9)
Recommended Standards
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- Methyl 2-(propylsulfanyl)benzoate (CAS 148215-72-9)
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- 6-(Phenylthio)hexanoic acid (CAS 325698-86-0)
- n-(3-Chloro-4-fluorophenyl)-2-((1-methyl-1h-tetrazol-5-yl)thio)acetamide (CAS 329078-73-1)
- Semaglutide impurity 29 (CAS 110990-08-4)
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