2-Hydroxy-6-methoxyquinoline-3-carbaldehyde CAS 123990-78-3
| CAS No. | 123990-78-3 |
| Molecular Formula | C11H19NO3 |
| Molecular Weight | 213.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 2-Hydroxy-6-methoxyquinoline-3-carbaldehyde (CAS 123990-78-3), a certified reference material (molecular formula C11H19NO3, MW 213.27 g/mol) for analytical method development and quality control.
2-Hydroxy-6-methoxyquinoline-3-carbaldehyde (C11H19NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C11H19NO3 |
| Molecular Weight | 213.27 g/mol |
| Appearance | White to pale yellow crystalline powder |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- tert-Butyl 7-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate (CAS 1221818-31-0)
- tert-Butyl 2-oxa-5-azaspiro[3.4]octane-5-carboxylate (CAS 1245816-30-1)
- tert-Butyl 3-(allyloxy)azetidine-1-carboxylate (CAS 1221715-81-6)
- tert-Butyl 2-oxa-6-azaspiro[3.4]octane-6-carboxylate (CAS 1245816-31-2)
- 6-Fluoroisoquinoline-1-carboxylic acid (CAS 1179149-37-1)
- 2-(Cyclohexyl(ethyl)amino)-1-(furan-2-yl)ethan-1-one (CAS 565178-73-6)
- 2-(Carbamimidoylthio)acetic acid hydrochloride (CAS 5425-78-5)
- (2E)-3-Methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one (CAS 338417-34-8)
- 3-Cyclopropylpropionic Acid (CAS 5618-03-1)
- (2,6-Dicyanopyridin-4-yl)boronic acid (CAS 903513-61-1)
- 1-(1-{[(9H-fluoren-9-yl)methoxy]carbonyl}piperidin-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 2091853-19-7)
- 3-(3,5-Diphenyl-1H-pyrrol-2-yl)-1-phenylbutan-1-one (CAS 87803-44-9)
- 4-Cyano-N-((1-(furan-2-ylmethyl)piperidin-4-yl)methyl)benzamide (CAS 954021-59-1)
- Liraglutide Impurity 21 TFA Salt (CAS CATO-C4X-199221)
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