1-(4-Chlorophenyl)-2-(4-fluorophenyl)ethan-1-one CAS 126866-15-7
| CAS No. | 126866-15-7 |
| Molecular Formula | C14H10ClFO |
| Molecular Weight | 248.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-(4-Chlorophenyl)-2-(4-fluorophenyl)ethan-1-one (C14H10ClFO) contains a hydroxyl group, an ether linkage, fluorine/chlorine 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 248.68 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 1-(4-Chlorophenyl)-2-(4-fluorophenyl)ethan-1-one (CAS 126866-15-7), a certified reference material (molecular formula C14H10ClFO, MW 248.68 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), 1-(4-Chlorophenyl)-2-(4-fluorophenyl)ethan-1-one 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 | C14H10ClFO |
| Molecular Weight | 248.68 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.) | 1993 |
| Halogen Content | F/Cl-containing |
Related Chlorophenyl Standards
- 1-(4-Chlorophenyl)-2-(3-fluorophenyl)ethanone (CAS 1094313-25-3)
- 2-(4-Chlorophenyl)-1-(2-fluorophenyl)ethan-1-one (CAS 1183199-32-7)
- 2-(4-Chlorophenyl)-1-(3-fluorophenyl)ethanone (CAS 1183554-70-2)
- 2-(4-Chlorophenyl)-1-(4-fluorophenyl)ethanone (CAS 126866-16-8)
- 1-(2-chlorophenyl)-2-(4-fluorophenyl)ethan-1-one (CAS 137101-74-7)
- Methyl 2-((2-chlorophenyl)sulfonyl)acetate (CAS 145449-37-2)
- (2-Chlorophenyl)(3-fluoro-4-methylphenyl)methanone (CAS 951886-15-0)
- (3-Chlorophenyl)(3-fluoro-5-methylphenyl)methanone (CAS 951886-55-8)
Recommended Standards
- 2-(3-Chloro-4-(methylsulfonyl)phenyl)acetic acid (CAS 1265819-83-7)
- Methyl 2-(chlorosulfonyl)-3-methylbenzoate (CAS 126535-26-0)
- Methyl 4-((chlorosulfonyl)methyl)benzoate (CAS 130047-14-2)
- 4-Methyl-2-chlorosulfonyl-benzoic acid methyl ester, 97% (CAS 1188087-56-0)
- 3-(3,4-Dichlorophenoxy)piperidine (CAS 946714-37-0)
- Methyl 3-(2-oxocyclopentyl)propanoate (CAS 10407-36-0)
- Thiazolo[4,5-c]quinolin-2-amine (CAS 143667-61-2)
- 2-Chloro-5-(2,5-dichlorophenyl)pyrimidine (CAS 1361678-27-4)
- 4-(2-(3-Chlorophenyl)hydrazono)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide (CAS 338749-52-3)
- 5,7-Octadien-2-ol, 2,6-dimethyl- (CAS 5986-38-9)
- S-Carboxymethyl-L-cysteine (CAS 2387-59-9)
- 3-Ethoxy-5-iodo-1H-pyrazole (CAS 1207431-92-2)
- Celecoxib Impurity 20 (CAS 585-74-0)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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