N'-(1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-2-(naphthalen-1-yl)acetohydrazide CAS 869073-32-5

Description

N'-(1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-2-(naphthalen-1-yl)acetohydrazide (CAS 869073-32-5), molecular formula C18H16N6O and molecular weight 332.36 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, N'-(1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-2-(naphthalen-1-yl)acetohydrazide (C18H16N6O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 332.36 g/mol, it falls into the moderately-high-molecular-weight range. 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.

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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