5-chloro-7-methoxy-1-(2-methoxyethyl)pyrazolo[4,3-d]pyrimidine CAS 2445846-08-0

Description

Compared with other compounds in its class, the molecular weight of 250.73 g/mol gives 5-chloro-7-methoxy-1-(2-methoxyethyl)pyrazolo[4,3-d]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-chloro-7-methoxy-1-(2-methoxyethyl)pyrazolo[4,3-d]pyrimidine (CAS 2445846-08-0), molecular formula C9H19ClN4O2 and molecular weight 250.73 g/mol, is a CATO reference standard with documented purity and traceability.

5-chloro-7-methoxy-1-(2-methoxyethyl)pyrazolo[4,3-d]pyrimidine (C9H19ClN4O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 5-chloro-7-methoxy-1-(2-methoxyethyl)pyrazolo[4,3-d]pyrimidine 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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