8-Hydroxy-5-nitroquinoline-7-carbaldehyde CAS 13785-22-3
| CAS No. | 13785-22-3 |
| Molecular Formula | C10H6N2O4 |
| Molecular Weight | 218.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 8-Hydroxy-5-nitroquinoline-7-carbaldehyde 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.
8-Hydroxy-5-nitroquinoline-7-carbaldehyde (CAS 13785-22-3) is a high-purity analytical reference standard with the molecular formula C10H6N2O4 and a molecular weight of 218.17 g/mol.
8-Hydroxy-5-nitroquinoline-7-carbaldehyde (C10H6N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 | C10H6N2O4 |
| Molecular Weight | 218.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
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Recommended Standards
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- 1-(tert-Butoxycarbonyl)-3-fluoropyrrolidine-3-carboxylic acid (CAS 1001754-59-1)
- 2-Chloro-6-((1-methyl-1H-1,2,4-triazol-5-yl)methoxy)pyridine (CAS 1184913-59-4)
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- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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