2,2,2-Trifluoro-N-(3-(phenylethynyl)quinoxalin-2-yl)acetamide CAS 676543-67-2
| CAS No. | 676543-67-2 |
| Molecular Formula | C18H10F3N3O |
| Molecular Weight | 341.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H10F3N3O, 2,2,2-Trifluoro-N-(3-(phenylethynyl)quinoxalin-2-yl)acetamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 341.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 2,2,2-Trifluoro-N-(3-(phenylethynyl)quinoxalin-2-yl)acetamide (CAS 676543-67-2), a certified reference material (molecular formula C18H10F3N3O, MW 341.29 g/mol) for analytical method development and quality control.
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), 2,2,2-Trifluoro-N-(3-(phenylethynyl)quinoxalin-2-yl)acetamide 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 | C18H10F3N3O |
| Molecular Weight | 341.29 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Trifluoro Standards
- 4,4,4-Trifluoro-1-(4-iodophenyl)butane-1,3-dione (CAS 685892-12-0)
- 2,2,2-Trifluoro-N-(4-(2,2,2-trifluoroacetyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-5-yl)acetamide (CAS 1794736-68-7)
- 1,1,1-Trifluoro-4,4-bis(phenylthio)but-3-en-2-one (CAS 54083-61-3)
- 2,2,2-trifluoro-1-[(3R,4R)-4-methyl-3-[methyl({1H-pyrrolo[2,3-b]pyridin-4-yl})amino]piperidin-1-yl]ethan-1-one (CAS 894359-17-2)
- 4,4,4-Trifluoro-1-(thiophen-2-yl)-2-(2-(m-tolyl)hydrazono)butane-1,3-dione (CAS 263890-70-6)
- 1,1,1-Trifluoro-3-(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)propan-2-ol (CAS 453557-82-9)
- (3E)-1,1,1-trifluoro-5-[(2Z)-1,3,3-trimethyl-6-nitro-2,3-dihydro-1H-indol-2-ylidene]pent-3-en-2-one (CAS 379239-99-3)
- 2,2,2-Trifluoro-N-(4-formyl-2-iodophenyl)acetamide (CAS 774238-73-2)
Recommended Standards
- 1-[4-(furan-2-yl)-6-(trifluoromethyl)pyrimidin-2-yl]piperidine-4-carboxylic acid (CAS 862712-45-6)
- 5-(3-Methoxyphenyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 667921-14-4)
- (E)-2-Cyano-3-(4-cyanophenyl)-N-[4-(trifluoromethyl)phenyl]-2-propenamide (CAS 866156-42-5)
- 5-(4-Methoxyphenyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 312935-05-0)
- N-methyl-1-(1-(4-nitrophenyl)-1H-pyrrol-2-yl)methanamine (CAS 721896-94-2)
- 3-(1-Cyclopentyl-1H-pyrazol-4-yl)propan-1-ol (CAS 1343238-66-3)
- 2,3,4-Trifluoro-6-(trifluoromethyl)benzaldehyde (CAS 2244084-38-4)
- S-Adenosyl-L-Methionine Impurity 10 (CAS 4229-50-9)
- 1-(Methoxymethyl)cyclopentan-1-amine hydrochloride (CAS 944146-30-9)
- Olaparib impurity 140 (CAS CATO-C4X-1135140)
- 4-Amino-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 1177272-16-0)
- 1,2-Dihydroxy-3,4-epoxy-1,2,3,4-tetrahydrophenanthrene (CAS 67737-62-6)
- 4-(1H-Benzo[d]imidazol-2-yl)thiazole 3-oxide (CAS 30853-33-9)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
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