3-Methyl-4-(4-methylbenzoyl)-1,2,3,4-tetrahydroquinoxalin-2-one CAS 317822-36-9
| CAS No. | 317822-36-9 |
| Molecular Formula | C17H16N2O2 |
| Molecular Weight | 280.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-Methyl-4-(4-methylbenzoyl)-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317822-36-9), molecular formula C17H16N2O2 and molecular weight 280.32 g/mol, is a CATO reference standard with documented purity and traceability.
3-Methyl-4-(4-methylbenzoyl)-1,2,3,4-tetrahydroquinoxalin-2-one (C17H16N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 3-Methyl-4-(4-methylbenzoyl)-1,2,3,4-tetrahydroquinoxalin-2-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H16N2O2 |
| Molecular Weight | 280.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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Why CATO?
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