1-Phenyl-2-(4-(trifluoromethyl)phenyl)ethane-1,2-dione CAS 35923-45-6
| CAS No. | 35923-45-6 |
| Molecular Formula | C15H9F3O2 |
| Molecular Weight | 278.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Phenyl-2-(4-(trifluoromethyl)phenyl)ethane-1,2-dione is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 1-Phenyl-2-(4-(trifluoromethyl)phenyl)ethane-1,2-dione (CAS 35923-45-6), a certified reference material (molecular formula C15H9F3O2, MW 278.23 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system, 1-Phenyl-2-(4-(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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 1-Phenyl-2-(4-(trifluoromethyl)phenyl)ethane-1,2-dione 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 | 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.) | 1967 |
| 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-(3-(trifluoromethyl)phenyl)ethane-1,2-dione (CAS 40103-85-3)
Recommended Standards
- 2-((2-Hydroxyethyl)amino)-N-(3-(trifluoromethoxy)phenyl)acetamide (CAS 215649-72-2)
- 1-Methyl-2-oxo-5-(3-(trifluoromethyl)phenyl)-1,2-dihydropyridine-3-carbonitrile (CAS 338964-42-4)
- 2-(2-(4-(Trifluoromethyl)styryl)oxazol-4-yl)acetonitrile (CAS 832730-38-8)
- 1-3-5-Tri-O-acetyl-2-deoxy-2-fluoro-α-D-arabinofuranose (CAS 444586-86-1)
- n,3,4-Trimethylaniline hydrochloride (CAS 1193390-12-3)
- Benzyl 3-(aminomethyl)-4-methylpiperidine-1-carboxylate hydrochloride (CAS 1823981-37-8)
- Propyl (5-cyano-1H-imidazol-4-yl)carbamate (CAS 59695-46-4)
- N-(4-hydroxy-2,6-dimethylphenyl)picolinamide (CAS 247061-05-8)
- (2,5-Dichlorothiophen-3-yl)methanamine (CAS 34843-79-3)
- 3-((5-Chloro-2-methoxyphenyl)amino)-1-(4-fluorophenyl)propan-1-one (CAS 477328-92-0)
- 3-Chloro-5-(3,4-dimethoxyphenyl)-1,2,4-triazine (CAS 1369080-30-7)
- N-methyl-1-(5-methylimidazo[1,2-a]pyridin-2-yl)methanamine (CAS 886363-01-5)
- Dabigatran Impurity 59 (CAS CATO-C4X-108959)
- His-Cyclic-Semaglutide (CAS CATO-C4X-2226182)
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