N-(6,7-dichloro-2,3-dimethoxyquinoxalin-5-yl)methanesulfonamide CAS 178907-19-2
| CAS No. | 178907-19-2 |
| Molecular Formula | C11H11Cl2N3O4S |
| Molecular Weight | 352.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-(6,7-dichloro-2,3-dimethoxyquinoxalin-5-yl)methanesulfonamide 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 N-(6,7-dichloro-2,3-dimethoxyquinoxalin-5-yl)methanesulfonamide (CAS 178907-19-2), a certified reference material (molecular formula C11H11Cl2N3O4S, MW 352.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H11Cl2N3O4S, N-(6,7-dichloro-2,3-dimethoxyquinoxalin-5-yl)methanesulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 352.19 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).
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.
Physical & Chemical Properties
| Molecular Formula | C11H11Cl2N3O4S |
| Molecular Weight | 352.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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