3-Methyl-6-oxo-1-(propan-2-yl)-1h,6h,7h-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 1160246-29-6

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Methyl-6-oxo-1-(propan-2-yl)-1h,6h,7h-pyrazolo[3,4-b]pyridine-4-carboxylic acid.

3-Methyl-6-oxo-1-(propan-2-yl)-1h,6h,7h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1160246-29-6) is a high-purity analytical reference standard with the molecular formula C11H13N3O3 and a molecular weight of 235.24 g/mol.

3-Methyl-6-oxo-1-(propan-2-yl)-1h,6h,7h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (C11H13N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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).

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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