4,6-Diethoxy-5-methyl-1H-indole-2-carboxylic acid CAS 900640-35-9

Purity 97%+In StockPharmaceutical Standards
CAS No.900640-35-9
Molecular FormulaC14H17NO4
Molecular Weight263.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,6-Diethoxy-5-methyl-1H-indole-2-carboxylic acid CAS 900640-35-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 263.29 g/mol gives 4,6-Diethoxy-5-methyl-1H-indole-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4,6-Diethoxy-5-methyl-1H-indole-2-carboxylic acid (CAS 900640-35-9), molecular formula C14H17NO4 and molecular weight 263.29 g/mol, is a CATO reference standard with documented purity and traceability.

4,6-Diethoxy-5-methyl-1H-indole-2-carboxylic acid (C14H17NO4) 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 4,6-Diethoxy-5-methyl-1H-indole-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 FormulaC14H17NO4
Molecular Weight263.29 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms1

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