Sodium 5,14-dihydroquinoxalino[2,3-b]phenazine-2,9-disulfonate CAS 77883-76-2
| CAS No. | 77883-76-2 |
| Molecular Formula | C18H10N4O6S2 |
| Molecular Weight | N/A |
| 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.
Sodium 5,14-dihydroquinoxalino[2,3-b]phenazine-2,9-disulfonate (CAS 77883-76-2) is a high-purity analytical reference standard with the molecular formula C18H10N4O6S2Na and a molecular weight of 465.41 g/mol.
Based on its molecular formula C18H10N4O6S2Na, Sodium 5,14-dihydroquinoxalino[2,3-b]phenazine-2,9-disulfonate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 465.41 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).
As a certified reference material (CRM), Sodium 5,14-dihydroquinoxalino[2,3-b]phenazine-2,9-disulfonate 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 | C18H10N4O6S2 2*Na |
| Molecular Weight | 465.41 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Sodium Standards
- 5,12-Dihydroquinoxalino[2,3-b]phenazine-2,9-disulfonic acid (CAS 1790-56-3)
- 5,12-Dihydroquinoxalino[2,3-b]quinoxaline (CAS 531-46-4)
- 5,12-dihydroquinoxalino[2,3-b]phenazine (CAS 531-47-5)
- 5,12-Dihydroquinoxalino[2,3-b]phenazine-2,3,9-trisulfonic Acid Trisodium Salt (Technical grade) DISCONTINUED (CAS 55262-30-1)
Recommended Standards
- [4-(5-Chloro-1H-benzimidazol-2-yl)cyclohexyl]-methylamine (CAS 933719-73-4)
- 7-Amino-3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 150896-70-1)
- 2-Carboethoxy-2-(3-pyrrolinomethyl) benzophenone (CAS 898762-97-5)
- 2-(3,5-Dichlorophenyl)-2-oxo-acetaldehyde (CAS 93291-00-0)
- 2-(4-Vinylphenyl)acetonitrile (CAS 1592-11-6)
- 4-((2-Aminobenzyl)amino)cyclohexan-1-ol (CAS 93839-70-4)
- 3-(Allylamino)propanoic acid (CAS 10478-52-1)
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- 5-(4-Fluorophenyl)isoxazole-3-carbonitrile (CAS 1170986-40-9)
- Peptide 437 (CAS CATO-CPTD788437)
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