5-Nitroquinoline-2-carbaldehyde CAS 59394-31-9
| CAS No. | 59394-31-9 |
| Molecular Formula | C10H6N2O3 |
| Molecular Weight | 202.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Nitroquinoline-2-carbaldehyde (C10H6N2O3) 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).
5-Nitroquinoline-2-carbaldehyde (CAS 59394-31-9), molecular formula C10H6N2O3 and molecular weight 202.17 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5-Nitroquinoline-2-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.
Physical & Chemical Properties
| Molecular Formula | C10H6N2O3 |
| Molecular Weight | 202.17 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.) | 1973 |
| Nitrogen Atoms | 2 |
Related Nitroquinoline Standards
- 5-Nitroquinoline-6-carbaldehyde (CAS 101327-85-9)
- 6-Nitroquinoline-5-carbaldehyde (CAS 101327-86-0)
- 8-Nitroquinoline-7-carbaldehyde, 97% (CAS 101327-87-1)
- 8-Nitroquinoline-5-carbaldehyde (CAS 1312139-17-5)
- 5-nitroquinoline-8-carbaldehyde (CAS 860758-26-5)
- 6-Nitroquinoline-2-carbaldehyde (CAS 59500-67-3)
- 8-Nitroquinoline-2-carbaldehyde (CAS 68311-64-8)
- 8-Nitroquinoline-4-carbaldehyde (CAS 69976-28-9)
Recommended Standards
- 5,8-dihydro-1H-imidazo[4,5-g]quinoxaline-6,7-dione (CAS 924871-19-2)
- 5-(Trifluoromethyl)-2,3-dihydro-1H-inden-2-ol (CAS 2135524-61-5)
- 6-(Trifluoromethyl)-2,3-dihydro-1H-inden-1-ol (CAS 869725-46-2)
- 5-(Trifluoromethyl)-2,3-dihydro-1H-inden-1-ol (CAS 869725-57-5)
- 7-hydroxy-4H,5H-pyrazolo[1,5-a]pyrimidin-5-one (CAS 57489-70-0)
- 2-Amino-N-isopropyl-N-(4-nitrobenzyl)acetamide (CAS 1353983-54-6)
- (1R,2R)-2-([1,1'-biphenyl]-2-yl)cyclopropane-1-carboxylic acid (CAS 2227911-76-2)
- 9-Methyl-9H-purine-2,6-diamine (CAS 30720-65-1)
- 1-Cyclopentyl-3,5-dinitro-1H-pyrazole (CAS 1281984-38-0)
- Nizatidine-d3 (CAS 1246833-99-7)
- 1-[3-(2,2-difluoroethyl)piperidin-1-yl]-2-{1H-pyrrolo[2,3-b]pyridin-3-yl}ethan-1-one (CAS 2813202-36-5)
- 1-Mesityl-2-(methylsulfinyl)ethan-1-one (CAS 61634-96-6)
- 5-(2-(Trifluoromethoxy)phenyl)nicotinaldehyde (CAS 887973-92-4)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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