| CAS No. | 87863-50-1 |
| Molecular Formula | C13H7NO4 |
| Molecular Weight | 241.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 241.20 g/mol gives 1,2-Dihydrobenzo[g]quinoline-3,4,5,10-tetraone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1,2-Dihydrobenzo[g]quinoline-3,4,5,10-tetraone (CAS 87863-50-1), a certified reference material (molecular formula C13H7NO4, MW 241.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H7NO4, 1,2-Dihydrobenzo[g]quinoline-3,4,5,10-tetraone 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 241.20 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.
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), 1,2-Dihydrobenzo[g]quinoline-3,4,5,10-tetraone 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.
| Molecular Formula | C13H7NO4 |
| Molecular Weight | 241.20 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1982 |
| Nitrogen Atoms | 1 |