1-Methyl-3,5-diphenylpyridazin-4(1H)-one CAS 59591-31-0

Purity 97%+In StockPharmaceutical Standards
CAS No.59591-31-0
Molecular FormulaC17H14N2O
Molecular Weight262.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Methyl-3,5-diphenylpyridazin-4(1H)-one CAS 59591-31-0 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.

1-Methyl-3,5-diphenylpyridazin-4(1H)-one (CAS 59591-31-0), molecular formula C17H14N2O and molecular weight 262.31 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-Methyl-3,5-diphenylpyridazin-4(1H)-one (C17H14N2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 262.31 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 1-Methyl-3,5-diphenylpyridazin-4(1H)-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 FormulaC17H14N2O
Molecular Weight262.31 g/mol
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1974
Nitrogen Atoms2

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Why CATO?