8-Methoxyquinoline-2-carboxylic acid CAS 21141-35-5
| CAS No. | 21141-35-5 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.19 g/mol gives 8-Methoxyquinoline-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 8-Methoxyquinoline-2-carboxylic acid (CAS 21141-35-5), a certified reference material (molecular formula C11H9NO3, MW 203.19 g/mol) for analytical method development and quality control.
8-Methoxyquinoline-2-carboxylic acid (C11H9NO3) 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 8-Methoxyquinoline-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
Related Methoxyquinoline Standards
- 2-methoxyquinoline-4-carboxylic Acid (CAS 10222-62-5)
- 8-Methoxyquinoline-4-carboxylic Acid (CAS 1092288-64-6)
- 7-Methoxyquinoline-8-carboxylic acid (CAS 1159427-80-1)
- 3-methoxyquinoline-4-carboxylic acid (CAS 1241386-37-7)
- 2-Methoxyquinoline-5-carboxylic acid (CAS 1339053-78-9)
- 5-Methoxyquinoline-3-carboxylic Acid (CAS 1361091-98-6)
- 2-Methoxyquinoline-7-carboxylic acid (CAS 1374258-40-8)
- 5-Methoxyquinoline-4-carboxylic acid (CAS 1474033-93-6)
Recommended Standards
- Aloc-Ser-OMe (CAS 136194-92-8)
- 2-methyl-6,7-dihydro-9H-pyrano[4,3-e]pyrazolo[1,5-a]pyrimidin-9-one (CAS 1000932-81-9)
- Ac-Glu-OMe (CAS 17015-15-5)
- (S)-1-(4-(trifluoromethyl)phenyl)propan-1-amine (CAS 1003887-67-9)
- Zinc fluoride tetrahydrate, 98% (CAS 13986-18-0)
- Ethyl 3-cyclopropyl-2-methylacrylate (CAS 26577-96-8)
- 2-Amino-1-(3-bromo-4-methoxyphenyl)propan-1-one (CAS 4374-21-4)
- Hexahydrobenzo[d][1,3]dioxol-2-one (CAS 4389-22-4)
- 2-Bromo-6-chloro-5-(trifluoromethyl)pyridin-3-amine (CAS 1823865-96-8)
- 21658-11-7 Lyso SM (dihydro) (d18:0) (CAS 21658-11-7)
- 2-Fluoro-5-(methylthio)nicotinaldehyde (CAS 1289144-87-1)
- Ethyl 4,4-dichlorocyclohexanecarboxylate (CAS 444578-35-2)
- N-(2-Oxo-2-p-tolyl-ethyl)-succinamic acid (CAS 887574-18-7)
- FMRF Amide Related Peptide. (CAS 149471-12-5)
Why CATO?
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