4-Ethoxy-6-methoxy-8-methylquinoline-2-carboxylic acid CAS 1351793-97-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1351793-97-9
Molecular FormulaC14H15NO4
Molecular Weight261.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Ethoxy-6-methoxy-8-methylquinoline-2-carboxylic acid CAS 1351793-97-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 261.27 g/mol gives 4-Ethoxy-6-methoxy-8-methylquinoline-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Ethoxy-6-methoxy-8-methylquinoline-2-carboxylic acid (CAS 1351793-97-9) is a high-purity analytical reference standard with the molecular formula C14H15NO4 and a molecular weight of 261.27 g/mol.

4-Ethoxy-6-methoxy-8-methylquinoline-2-carboxylic acid (C14H15NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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.

CATO manufactures 4-Ethoxy-6-methoxy-8-methylquinoline-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 FormulaC14H15NO4
Molecular Weight261.27 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms1

Related Ethoxy Standards

Recommended Standards

Why CATO?