6-Nitro-2,3-dihydroquinolin-4(1H)-one CAS 57445-29-1
| CAS No. | 57445-29-1 |
| Molecular Formula | C9H8N2O3 |
| Molecular Weight | 192.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H8N2O3, 6-Nitro-2,3-dihydroquinolin-4(1H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 192.17 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.
6-Nitro-2,3-dihydroquinolin-4(1H)-one (CAS 57445-29-1), molecular formula C9H8N2O3 and molecular weight 192.17 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H8N2O3 |
| Molecular Weight | 192.17 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |
Related Nitro Standards
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- 7-Nitro-1,2,3,4-tetrahydroquinolin-4-one (CAS 114417-33-3)
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Recommended Standards
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- 7-Allyl-3,7-dihydro-1H-purine-2,6-dione (CAS 862893-32-1)
- 2-(2-Methyl-1H-imidazol-1-yl)-5-nitropyridine (CAS 1018053-22-9)
- 2-Isobutyl-4-methylpyridine (CAS 85665-88-9)
- Cyclobutyl(4-(trifluoromethyl)phenyl)methanone (CAS 53342-40-8)
- 2,3'-Dimethyl-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261942-70-4)
- 6-Chloro-2,3-difluoro-4-(trifluoromethyl)benzaldehyde (CAS 914635-34-0)
- 3,3-Difluoro-1-methylcyclobutan-1-amine (CAS 1408076-03-8)
- 4,6-Diaminonicotinaldehyde (CAS 179343-43-2)
- 1-(Tert-butylsulfanyl)cyclobutane-1-carbonitrile (CAS 1479120-06-3)
- 6,7-Dimethoxy-N-[4-(trifluoromethoxy)phenyl]quinazolin-4-amine (CAS 296234-68-9)
- ((Cys31,Nva34)-Neuropeptide Y (27-36))2 (CAS 172997-92-1)
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