3,4-Diphenyl-1H-pyrazolo[3,4-b]pyridin-6(2H)-one CAS 820233-45-2

Purity 97%+In StockPharmaceutical Standards
CAS No.820233-45-2
Molecular FormulaC18H13N3O
Molecular Weight287.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Diphenyl-1H-pyrazolo[3,4-b]pyridin-6(2H)-one CAS 820233-45-2 chemical structure

Description

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.

3,4-Diphenyl-1H-pyrazolo[3,4-b]pyridin-6(2H)-one (CAS 820233-45-2), molecular formula C18H13N3O and molecular weight 287.32 g/mol, is a CATO reference standard with documented purity and traceability.

3,4-Diphenyl-1H-pyrazolo[3,4-b]pyridin-6(2H)-one (C18H13N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 3,4-Diphenyl-1H-pyrazolo[3,4-b]pyridin-6(2H)-one 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 FormulaC18H13N3O
Molecular Weight287.32 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986
Nitrogen Atoms3

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Why CATO?