3,4-Diphenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-one CAS 181259-34-7

Purity 97%+In StockPharmaceutical Standards
CAS No.181259-34-7
Molecular FormulaC17H12N4O
Molecular Weight288.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Diphenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-one CAS 181259-34-7 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.

CATO supplies 3,4-Diphenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-one (CAS 181259-34-7), a certified reference material (molecular formula C17H12N4O, MW 288.30 g/mol) for analytical method development and quality control.

Based on its molecular formula C17H12N4O, 3,4-Diphenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

As a certified reference material (CRM), 3,4-Diphenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-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 FormulaC17H12N4O
Molecular Weight288.30 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.)2008
Nitrogen Atoms4

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