1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 1011397-71-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1011397-71-9
Molecular FormulaC21H17N3O3
Molecular Weight359.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 1011397-71-9 chemical structure

Description

The occurrence of 1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011397-71-9), a certified reference material (molecular formula C21H17N3O3, MW 359.38 g/mol) for analytical method development and quality control.

1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (C21H17N3O3) contains a steroid core, 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.

As a certified reference material (CRM), 1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC21H17N3O3
Molecular Weight359.38 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 DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms3

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