1-(2-Ethylphenyl)-2,2,2-trifluoroethan-1-one CAS 204439-99-6
| CAS No. | 204439-99-6 |
| Molecular Formula | C10H9F3O |
| Molecular Weight | 202.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Ethylphenyl)-2,2,2-trifluoroethan-1-one (CAS 204439-99-6) is a high-purity analytical reference standard with the molecular formula C10H9F3O and a molecular weight of 202.17 g/mol.
Owing to a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 1-(2-Ethylphenyl)-2,2,2-trifluoroethan-1-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 202.17 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.
As a certified reference material (CRM), 1-(2-Ethylphenyl)-2,2,2-trifluoroethan-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 | C10H9F3O |
| Molecular Weight | 202.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | F-containing |
Related Ethylphenyl Standards
- 1-(3-Ethylphenyl)-2,2,2-trifluoroethanone (CAS 155628-01-6)
- 1-(4-Ethylphenyl)-2,2,2-trifluoroethan-1-one (CAS 73471-96-2)
- (5-(4-Ethylphenyl)isoxazol-3-yl)methanamine (CAS 1018604-80-2)
- 1-(2-Ethylphenyl)-3-methyl-1H-pyrazol-5(4H)-one (CAS 131-65-7)
- (1-(2-Ethylphenyl)-1H-imidazol-4-yl)methanol (CAS 1691032-88-8)
- (1-(4-Ethylphenyl)-1H-imidazol-4-yl)methanol (CAS 1702104-37-7)
- (1-(3-Ethylphenyl)-1H-pyrazol-3-yl)methanol (CAS 445303-79-7)
- (2-(2-Ethylphenyl)oxazol-4-yl)methanamine (CAS 885273-94-9)
Recommended Standards
- 1-(2,3-Dimethylphenyl)-2,2,2-trifluoroethan-1-one (CAS 886369-37-5)
- 1-(2-methoxyethenyl)-4-(trifluoromethyl)benzene (CAS 872046-09-8)
- (E)-1,1,1-Trifluoro-4-phenylbut-3-en-2-ol (CAS 89524-18-5)
- 1-(2-Methyl-5-(trifluoromethyl)phenyl)ethan-1-one (CAS 725743-50-0)
- 2-Amino-5-chloro-3-methoxybenzoic acid (CAS 58026-22-5)
- 5-(Dimethylamino)-2-hydroxybenzoic acid (CAS 40909-34-0)
- 2-[2-(4-Cyclohexyl-4H-[1,2,4]triazol-3-yl)-vinyl]-6-methoxy-benzoic acid methyl ester (CAS 365542-72-9)
- 3-Cyclobutoxyisonicotinonitrile (CAS 158021-09-1)
- N-(cyclohexyl(methyl)(oxo)-lambda6-sulfanylidene)cyanamide (CAS 2060032-03-1)
- 2-(tert-Butoxy)-3-cyclopropoxy-5-ethylpyridine (CAS 1243461-14-4)
- tert-Butyl 2-(1-(hydroxymethyl)cyclopropyl)piperidine-1-carboxylate (CAS 2228200-31-3)
- 1-(1-Phenylcyclopropyl)ethan-1-ol (CAS 121887-37-4)
- 2-(1-Oxophthalazin-2(1H)-yl)butanehydrazide (CAS 618442-01-6)
- Tau Peptide (337-368) (Repeat 4 Domain) trifluoroacetate salt (CAS 330456-27-4)
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