3,4-Difluoro-3,5-dimethylbenzophenone CAS 845781-09-1
| CAS No. | 845781-09-1 |
| Molecular Formula | C15H12F2O |
| Molecular Weight | 246.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3,4-Difluoro-3,5-dimethylbenzophenone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
3,4-Difluoro-3,5-dimethylbenzophenone (CAS 845781-09-1) is a high-purity analytical reference standard with the molecular formula C15H12F2O and a molecular weight of 246.25 g/mol.
Owing to a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system, 3,4-Difluoro-3,5-dimethylbenzophenone is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 246.25 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C15H12F2O |
| Molecular Weight | 246.25 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-3-phenylpropiophenone (CAS 898788-90-4)
- 3,5-Difluoro-2-ethylbenzophenone (CAS 951885-00-0)
- 3,5-Difluoro-3,4-dimethylbenzophenone (CAS 844885-21-8)
- 3,5-Difluoro-3,5-dimethylbenzophenone (CAS 844885-22-9)
- 3,5-Difluoro-4-ethylbenzophenone (CAS 844885-11-6)
- 1-(4,6-Difluoro-1,3,5-triazin-2-yl)-2-methyl-2H-isoindole (CAS 122855-66-7)
- 4,4'-(2,3-Difluoro-1,4-phenylene)bis(1H-pyrazole) (CAS 2044270-04-2)
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Recommended Standards
- 3-(3-Fluorophenyl)-1-(4-fluorophenyl)propan-1-one (CAS 898789-17-8)
- 2-Fluoro-3-(4-fluorophenyl)propiophenone (CAS 898768-54-2)
- 2-Fluoro-3-(3-fluorophenyl)propiophenone (CAS 898767-35-6)
- 2'-chloro-4'-fluoro-3-phenylpropiophenone (CAS 898764-60-8)
- (R)-2-(3-(Hydroxymethyl)phenoxy)butanoic acid (CAS 1139688-76-8)
- 4-(1-Adamantyl)-3-thiosemicarbazide (CAS 52662-65-4)
- methyl 3-[(2,5-difluorophenyl)sulfanyl]prop-2-enoate (CAS 1563957-23-2)
- 2-Ethoxy-2-(oxolan-3-yl)ethan-1-amine (CAS 1491754-43-8)
- Ethyl 5-bromo-2-cyanothiophene-3-carboxylate (CAS 2090354-40-6)
- 3-((2,4-Dichlorobenzyl)oxy)thiophene-2-carboxylic acid (CAS 343376-05-6)
- Methyl (1S,2R,3S,4R)-3-aminobicyclo[2.2.1]heptane-2-carboxylate (CAS 1071523-35-7)
- (3S,5S)-5-((1S,3S)-1-Azido-3-(hydroxymethyl)-4-methylpentyl)-3-isopropyldihydrofuran-2(3H)-one (CAS 173154-03-5)
- 2-Amino-5-(benzyloxy)pyrimidine-4,6(1H,5H)-dione (CAS 5774-98-1)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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