2,4-Difluoro-3-(4-methylphenyl)propiophenone CAS 898769-34-1
| CAS No. | 898769-34-1 |
| Molecular Formula | C16H14F2O |
| Molecular Weight | 260.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,4-Difluoro-3-(4-methylphenyl)propiophenone (C16H14F2O) contains 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 260.28 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 2,4-Difluoro-3-(4-methylphenyl)propiophenone (CAS 898769-34-1), a certified reference material (molecular formula C16H14F2O, MW 260.28 g/mol) for analytical method development and quality control.
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), 2,4-Difluoro-3-(4-methylphenyl)propiophenone 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 | C16H14F2O |
| Molecular Weight | 260.28 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.) | 1987 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 3,4-Difluoro-4-isopropylbenzophenone (CAS 845781-00-2)
- 3,4-Difluoro-4-n-propylbenzophenone (CAS 845781-03-5)
- 3,5-Difluoro-3-(3-methylphenyl)propiophenone (CAS 898768-21-3)
- 3,5-Difluoro-3-(4-methylphenyl)propiophenone (CAS 898769-40-9)
- 3,5-Difluoro-4-isopropylbenzophenone (CAS 844885-09-2)
- 3,5-Difluoro-4'-methylbenzophenone (CAS 844885-12-7)
- 3,5-Difluoro-4-((2-(methylsulfonyl)ethyl)amino)benzonitrile (CAS 1384711-06-1)
- 5,6-Difluoro-2-(2-methoxyphenyl)-1H-benzo[d]imidazole (CAS 1266751-87-4)
Recommended Standards
- 1-Propyl-6-(trifluoromethyl)-1h-1,3-benzodiazole-2-thiol (CAS 746608-47-9)
- 2,5-Dihydroxy-1,4-cyclohexanedicarboxylic Acid 1,4-Diethyl Ester (CAS 6966-80-9)
- 1-Allyl-3-(3-(trifluoromethyl)phenyl)thiourea (CAS 331-37-3)
- 3-(2,4-Difluorophenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[c]pyridazine (CAS 918873-82-2)
- (cis,trans)-4,4′-Methylenebis[cyclohexanamine] (CAS 6693-30-7)
- tert-Butyl 3-hydroxy-4,5-dimethoxybenzoate (CAS 2724938-71-8)
- 2,5-Dibromo-3,6-dimethylpyridine (CAS 38749-93-8)
- 1-(4-Butoxy-3,5-difluorophenyl)ethanol (CAS 1443303-87-4)
- 3-Amino-3-(pyridin-2-yl)butanoic acid (CAS 1270437-93-8)
- N-(2,5-difluorophenyl)-2-(4-phenylpiperazin-1-yl)acetamide (CAS 720667-93-6)
- 3-[([1,1-Biphenyl]-2-yloxy)methyl]piperidinehydrochloride (CAS 28559-37-7)
- 2-(3,5-Dimethylphenyl)cyclopropan-1-amine (CAS 1249547-96-3)
- 2-Amino-5-chloro-N-(cyclopropylmethyl)benzamide (CAS 219689-55-1)
- Allo-Thr7-Tirzepatide (CAS CATO-CPTD788933)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com