1-(3-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one CAS 65973-98-0

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(3-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one.

1-(3-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 65973-98-0), molecular formula C11H7N5O3 and molecular weight 257.20 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 1-(3-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 257.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures 1-(3-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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