7-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 13877-58-2

Description

Compared with other compounds in its class, the molecular weight of 187.20 g/mol gives 7-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

7-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 13877-58-2), molecular formula C6H13N5O2 and molecular weight 187.20 g/mol, is a CATO reference standard with documented purity and traceability.

7-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (C6H13N5O2) 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. 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.

As a certified reference material (CRM), 7-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid 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

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