2-Ethoxyquinoline-4-carboxylic acid CAS 5467-62-9
| CAS No. | 5467-62-9 |
| Molecular Formula | C20H25NO2 |
| Molecular Weight | 311.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 311.42 g/mol gives 2-Ethoxyquinoline-4-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Ethoxyquinoline-4-carboxylic acid (CAS 5467-62-9), molecular formula C20H25NO2 and molecular weight 311.42 g/mol, is a CATO reference standard with documented purity and traceability.
2-Ethoxyquinoline-4-carboxylic acid (C20H25NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. 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 2-Ethoxyquinoline-4-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 | C20H25NO2 |
| Molecular Weight | 311.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Ethoxyquinoline Standards
- Ethyl 2-ethoxyquinoline-4-carboxylate (CAS 5471-39-6)
- Ethyl 4-ethoxyquinoline-3-carboxylate (CAS 13720-96-2)
- Ethyl 4-ethoxyquinoline-7-carboxylate (CAS 1688656-69-0)
- 6-Ethoxyquinoline-2-carboxylic acid (CAS 104116-70-3)
- 2-Ethoxyquinoline-3-carboxylic acid (CAS 88284-13-3)
- 4-Ethoxyquinoline-2-carboxylic acid (CAS 40609-78-7)
- 4-Ethoxyquinoline-3-carboxylic acid (CAS 500579-37-3)
- 6-Ethoxyquinoline-3-carboxylic acid (CAS 948289-86-9)
Recommended Standards
- 2-[4-[2-(Diethylamino)ethoxy]phenyl]-1-phenylethanone (CAS 35258-44-7)
- 2-Hydroxybenzoic hypochlorous anhydride (CAS 54510-09-7)
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- 3-(Tert-butyl) 9-methyl 3-azaspiro[5.5]Undecane-3,9-dicarboxylate (CAS 2005470-91-5)
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- 2-Amino-N-(3-cyanophenyl)acetamide hydrochloride (CAS 1403958-54-2)
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