2-[(2-Chlorophenyl)sulfanyl]-3-(trifluoromethyl)quinoxaline CAS 338773-65-2
| CAS No. | 338773-65-2 |
| Molecular Formula | C15H8ClF3N2S |
| Molecular Weight | 340.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 340.75 g/mol gives 2-[(2-Chlorophenyl)sulfanyl]-3-(trifluoromethyl)quinoxaline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-[(2-Chlorophenyl)sulfanyl]-3-(trifluoromethyl)quinoxaline (CAS 338773-65-2), molecular formula C15H8ClF3N2S and molecular weight 340.75 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-[(2-Chlorophenyl)sulfanyl]-3-(trifluoromethyl)quinoxaline (C15H8ClF3N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 340.75 g/mol, it falls into the moderately-high-molecular-weight range. 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).
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), 2-[(2-Chlorophenyl)sulfanyl]-3-(trifluoromethyl)quinoxaline 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 | C15H8ClF3N2S |
| Molecular Weight | 340.75 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 2-((4-Chlorophenyl)thio)-3-(trifluoromethyl)quinoxaline (CAS 321433-72-1)
- 5-(2-(4-Chlorophenyl)-2-oxoethylidene)-2-imino-3-(o-tolyl)oxazolidin-4-one (CAS 122975-87-5)
- (E)-{1-[3-(4-chlorophenyl)-1,2-oxazol-5-yl]ethylidene}amino benzoate (CAS 478066-78-3)
- 1-(3-Chlorophenyl)-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrazole-4-carbaldehyde (CAS 618101-74-9)
- 1-(4-Chlorophenyl)-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrazole-4-carbaldehyde (CAS 618099-01-7)
- 2-((4-Chlorophenyl)thio)-N-(4-fluoro-3-nitrophenyl)acetamide (CAS 532960-93-3)
- 2-{[2-(4-chlorophenyl)quinolin-4-yl]formamido}acetic acid (CAS 325720-83-0)
- Methyl 3-(7-(4-chlorophenyl)-8-cyano-[1,2,4]triazolo[1,5-a]pyridin-2-yl)propanoate (CAS 866133-35-9)
Recommended Standards
- 2-(2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)propanoyl)-N-methylhydrazine-1-carbothioamide (CAS 339010-58-1)
- 3-Chloro-N-(2-(2,4-difluorophenoxy)pyridin-3-yl)-2,2-dimethylpropanamide (CAS 243963-32-8)
- 3-Chloro-N-(6-(2,4-difluorophenoxy)pyridin-3-yl)-2,2-dimethylpropanamide (CAS 243963-11-3)
- (6-Chloro-4-trifluoromethyl-pyridin-2-ylsulfanyl)-acetic acid [1-dimethylamino-meth-(E)-ylidene]-hydrazide (CAS 1858264-43-3)
- 3-cyclopropyl-1-(4-fluorophenyl)-6-thien-2-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011397-26-4)
- (5-(1-Ethyl-1h-1,2,4-triazol-5-yl)-4-methylthiazol-2-yl)methanamine (CAS 1343719-51-6)
- 2-Fluoro-1,3-dimethyl-5-(trifluoromethyl)benzene (CAS 1221272-95-2)
- 1-Cyclohexyl-4-methylbenzene (CAS 4501-36-4)
- 1-(2-Hydroxyethyl)-5-propyl-1h-1,2,3-triazole-4-carboxylic acid (CAS 1267442-04-5)
- 3-Cyclopentyl-1,1,1-trifluoropropan-2-ol (CAS 1284134-35-5)
- N-((S)-2,2-dioxido-2-thia-8-azaspiro[4.5]Decan-4-yl)-2-methylpropane-2-sulfinamide (CAS 2172654-96-3)
- 2-Bromo-6-(hydroxymethyl)pyridin-3-ol (CAS 168015-04-1)
- (R)-2-methoxy-1-(3-methoxyphenyl)ethan-1-amine (CAS 1270081-16-7)
- Anti-TF Antigen Peptide P30-1 trifluoroacetate salt (CAS 573664-50-3)
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