1-Phenyl-2-(3-(trifluoromethyl)phenyl)ethane-1,2-dione CAS 40103-85-3
| CAS No. | 40103-85-3 |
| Molecular Formula | C15H9F3O2 |
| Molecular Weight | 278.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Phenyl-2-(3-(trifluoromethyl)phenyl)ethane-1,2-dione (CAS 40103-85-3) is a high-purity analytical reference standard with the molecular formula C15H9F3O2 and a molecular weight of 278.23 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system, 1-Phenyl-2-(3-(trifluoromethyl)phenyl)ethane-1,2-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 278.23 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).
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.
CATO manufactures 1-Phenyl-2-(3-(trifluoromethyl)phenyl)ethane-1,2-dione 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.
Physical & Chemical Properties
| Molecular Formula | C15H9F3O2 |
| Molecular Weight | 278.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | F-containing |
Related Phenyl Standards
- 1-(4-(Trifluoromethyl)phenyl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 1042308-21-3)
- 4-((2-(Trifluoromethyl)benzyl)oxy)picolinonitrile (CAS 1219454-17-7)
- 3-(5-(Trifluoromethyl)pyridin-3-yl)-1H-indazol-5-amine (CAS 1356088-08-8)
- 4-(6-(Trifluoromethyl)-1H-benzo[d]imidazol-2-yl)phenol (CAS 156144-38-6)
- 1-(3-(Trifluoromethyl)phenyl)-1,2-dihydro-3H-indazol-3-one (CAS 21486-29-3)
- 1,1'-(5-(Trifluoromethyl)-1,3-phenylene)bis(1H-imidazole) (CAS 2110472-44-9)
- 11-Methyl-3-(trifluoromethyl)benzo[b]pyrido[2,3-f][1,4]oxazepine (CAS 865657-92-7)
- 1-Phenyl-2-(4-(trifluoromethyl)phenyl)ethane-1,2-dione (CAS 35923-45-6)
Recommended Standards
- 1-Methyl-2-oxo-5-(3-(trifluoromethyl)phenyl)-1,2-dihydropyridine-3-carbonitrile (CAS 338964-42-4)
- 1-3-5-Tri-O-acetyl-2-deoxy-2-fluoro-α-D-arabinofuranose (CAS 444586-86-1)
- 2-((2-Hydroxyethyl)amino)-N-(3-(trifluoromethoxy)phenyl)acetamide (CAS 215649-72-2)
- 2-(2-(4-(Trifluoromethyl)styryl)oxazol-4-yl)acetonitrile (CAS 832730-38-8)
- 2-Chloro-N-isopropyl-N-((3-methylthiophen-2-yl)methyl)acetamide (CAS 1353952-61-0)
- 1-(Difluoromethyl)-4-fluorobenzene (CAS 26132-51-4)
- Ethyl Methylpiperidine-2-carboxylate (CAS 30727-18-5)
- 2,3-Dichloro-6-(difluoromethoxy)acetophenone (CAS 1806348-45-7)
- (R)-2-(o-Tolyl)pyrrolidine hydrochloride (CAS 1381929-14-1)
- 5-Methyl-1H-thieno[3,2-c]pyrazole (CAS 1934934-42-5)
- 3-(2-Acetamidopropyl)-1H-indole-2-carboxylic acid (CAS 352554-94-0)
- 2-Phenylbenzo[g]indole, 97% (CAS 33555-17-8)
- 3-[(6-amino-1-butyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)(2-methylpropyl)carbamoyl]propanoic acid (CAS 743444-81-7)
- Peptide Impurity 27 (CAS 1350456-68-6)
Why CATO?
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