1-(3,4-Dimethylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one CAS 890589-19-2

Description

Compared with other compounds in its class, the molecular weight of 240.26 g/mol gives 1-(3,4-Dimethylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(3,4-Dimethylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 890589-19-2), molecular formula C13H12N4O and molecular weight 240.26 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-(3,4-Dimethylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (C13H12N4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 240.26 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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