1-(4-Ethyl-3-oxo-3,4-dihydroquinoxalin-2-yl)piperidine-3-carboxylic acid CAS 1242874-77-6
| CAS No. | 1242874-77-6 |
| Molecular Formula | C16H19N3O3 |
| Molecular Weight | 301.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 301.34 g/mol gives 1-(4-Ethyl-3-oxo-3,4-dihydroquinoxalin-2-yl)piperidine-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(4-Ethyl-3-oxo-3,4-dihydroquinoxalin-2-yl)piperidine-3-carboxylic acid (CAS 1242874-77-6) is a high-purity analytical reference standard with the molecular formula C16H19N3O3 and a molecular weight of 301.34 g/mol.
Based on its molecular formula C16H19N3O3, 1-(4-Ethyl-3-oxo-3,4-dihydroquinoxalin-2-yl)piperidine-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 301.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 1-(4-Ethyl-3-oxo-3,4-dihydroquinoxalin-2-yl)piperidine-3-carboxylic acid 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 | C16H19N3O3 |
| Molecular Weight | 301.34 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Recommended Standards
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