(3,4-Difluorophenyl)(3,5-difluorophenyl)methanone CAS 746651-92-3
| CAS No. | 746651-92-3 |
| Molecular Formula | C13H6F4O |
| Molecular Weight | 254.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3,4-Difluorophenyl)(3,5-difluorophenyl)methanone (CAS 746651-92-3) is a high-purity analytical reference standard with the molecular formula C13H6F4O and a molecular weight of 254.18 g/mol.
Based on its molecular formula C13H6F4O, (3,4-Difluorophenyl)(3,5-difluorophenyl)methanone contains a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 254.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (3,4-Difluorophenyl)(3,5-difluorophenyl)methanone 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 | C13H6F4O |
| Molecular Weight | 254.18 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.) | 1986 |
| Halogen Content | F-containing |
Related Difluorophenyl Standards
- (2,4-Difluorophenyl)(3,5-difluorophenyl)methanone (CAS 1096971-71-9)
- (2,4-Difluorophenyl)(3,4-difluorophenyl)methanone (CAS 1097034-16-6)
- Bis(3,5-difluorophenyl)methanone (CAS 139911-09-4)
- ethyl 5-(2,6-difluorophenyl)-1,3,4-oxadiazole-2-carboxylate (CAS 1707637-40-8)
- 3-(3-(2,6-Difluorophenyl)-1,2,4-oxadiazol-5-yl)propanoic acid (CAS 1708168-40-4)
- 3-(2,6-Difluorophenyl)-4,4,4-trifluorobutanoic acid (CAS 1272852-70-6)
- 3-(2,4-Difluorophenyl)-4,4,4-trifluorobutanoic acid (CAS 1369410-09-2)
- 3-(2,3-Difluorophenyl)-4,4,4-trifluorobutanoic acid (CAS 1409707-29-4)
Recommended Standards
- 1,1'-(Ethenylmethylsilylene)ferrocene (CAS 155892-90-3)
- (4-Fluorophenyl)(3,4,5-trifluorophenyl)methanone (CAS 577967-64-7)
- 5-(Methoxycarbonyl)-4-(trifluoromethyl)thiophene-2-carboxylic acid (CAS 1400661-81-5)
- 1-(2,5-Dichlorothiophen-3-yl)-3-(dimethylamino)propan-1-ol (CAS 439110-94-8)
- 2-(Difluoromethyl)-5-hydroxy-4-methylpyridine-3-sulfonyl chloride (CAS 1805608-88-1)
- 1-Methyl-1H-indazole-6-methanamine (CAS 267413-31-0)
- 2-(3-Methoxy-phenyl)-1-methyl-pyrrolidine (CAS 164737-35-3)
- Diphenhydramine EP Impurity C (CAS 118-23-0)
- 3-Methyl-1-(2-methoxyethyl)thiobenzene (CAS 1707376-83-7)
- N-(Benzyloxy)heptan-1-amine (CAS 112151-61-8)
- 6-Acetyl-2-amino-N-methyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide (CAS 1333960-87-4)
- N-(5-chloro-2-hydroxyphenyl)-5-oxo-1-phenylpyrrolidine-3-carboxamide (CAS 361369-00-8)
- Cefadoxil USP Impurity I (CAS CATO-C4X-122422)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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