Ethyl 4-hydroxy-8-nitroquinoline-3-carboxylate CAS 109799-69-1
| CAS No. | 109799-69-1 |
| Molecular Formula | C12H10N2O5 |
| Molecular Weight | 262.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethyl 4-hydroxy-8-nitroquinoline-3-carboxylate (C12H10N2O5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 262.22 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Ethyl 4-hydroxy-8-nitroquinoline-3-carboxylate (CAS 109799-69-1), a certified reference material (molecular formula C12H10N2O5, MW 262.22 g/mol) for analytical method development and quality control.
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), Ethyl 4-hydroxy-8-nitroquinoline-3-carboxylate 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 | C12H10N2O5 |
| Molecular Weight | 262.22 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 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Ethyl 4-hydroxy-6-nitroquinoline-3-carboxylate (CAS 103514-53-0)
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- 2-Hydroxy-4-(5-methyl-1,2-oxazole-4-amido)benzoic acid (CAS 67387-53-5)
- 2-hydroxy-5-[(5-methyl-1,2-oxazole-4-)amido]benzoic acid (CAS 67387-58-0)
- N-Hydroxy-2-((5-nitroquinolin-8-yl)oxy)acetimidamide (CAS 88757-92-0)
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Recommended Standards
- Methyl 5-methyl-2-(4-nitrophenyl)oxazole-4-carboxylate (CAS 1084941-02-5)
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- 4-[Ethoxy(oxo)acetyl]-3-phenyl-1,2,3-oxadiazol-3-ium-5-olate (CAS 1103497-68-2)
- Riluzole Impurity 17 (CAS CATO-C4X-200917)
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- tert-Butyl 4-chlorobenzylidenecarbamate (CAS 779342-75-5)
- [1,1'-(1,4-Butanediyl)bis[1,1-diphenylphosphine-κP]]chloro(η3-2-propen-1-yl)palladium (CAS 1254300-24-7)
- Pentanoic acid, 5-azido-, ethyl ester (CAS 89896-39-9)
- (R)-1-(5-methylfuran-2-yl)ethanamine hydrochloride (CAS 2088935-04-8)
- 9,9’-Spirobi[fluorene]-4-boronic Acid (CAS 1421789-05-0)
- 2,4,5-Trifluoro-3-methoxybenzaldehyde (CAS 1260679-12-6)
- 2-({4-[(4-Ethoxyanilino)sulfonyl]anilino}carbonyl)cyclohexanecarboxylic acid (CAS 543695-34-7)
- (2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)(2-(hydroxymethyl)piperidin-1-yl)methanone (CAS 1154970-04-3)
- Liraglutide Impurity 30 (CAS CATO-C4X-199230)
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