1-(3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)cyclopropan-1-ol CAS 2387601-18-3

Description

Compared with other compounds in its class, the molecular weight of 302.55 g/mol gives 1-(3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)cyclopropan-1-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)cyclopropan-1-ol (CAS 2387601-18-3), molecular formula C10H9BrClN3O and molecular weight 302.55 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 1-(3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)cyclopropan-1-ol (C10H9BrClN3O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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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