2-Ethyl-3-(methylthio)quinoxaline CAS 658686-48-7
| CAS No. | 658686-48-7 |
| Molecular Formula | C11H12N2S |
| Molecular Weight | 204.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Ethyl-3-(methylthio)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.
CATO supplies 2-Ethyl-3-(methylthio)quinoxaline (CAS 658686-48-7), a certified reference material (molecular formula C11H12N2S, MW 204.29 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H12N2S, 2-Ethyl-3-(methylthio)quinoxaline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 204.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H12N2S |
| Molecular Weight | 204.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 2-(Methylthio)-5,6,7,8-tetrahydroquinoline-3-carbonitrile (CAS 154384-04-0)
- 5-Methyl-3-(methylthio)-1-phenyl-1H-pyrazole (CAS 18714-79-9)
- 1-Methyl-2-(methylthio)-5-phenyl-1H-imidazole (CAS 25433-15-2)
- 2-Methyl-3-(methylthio)-5-phenylfuran (CAS 54930-80-2)
- 3-(Methylthio)-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile (CAS 839680-24-9)
- 1-Methyl-3-(5-(methylthio)-1,2,4-thiadiazol-3-yl)urea (CAS 78430-01-0)
- 4-(Methylthio)benzenesulfonic acid (CAS 70140-60-2)
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Recommended Standards
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- (4-(Difluoromethyl)-5-methoxy-6-methylpyridin-2-yl)methanol (CAS 1806989-75-2)
- 1-(2-Chloro-6-ethoxyquinolin-3-yl)-N-(thiophen-2-ylmethyl)methanamine (CAS 917746-10-2)
- 2-Methyl-N-(1-phenylethyl)pentan-3-amine (CAS 1157293-46-3)
- Ethyl 2-(4-Fluorobenzyl)oxazole-4-carboxylate (CAS 500367-20-4)
- 1,3-Diethyl 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-methylpropanedioate (CAS 400075-21-0)
- 2-amino-3-cyclobutylpropan-1-ol hydrochloride (CAS 1803582-15-1)
- Sodium 3-fluorobenzoate (CAS 499-57-0)
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