6-(4-Methoxyphenyl)-5-methyl-3-(thiophen-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine CAS 685109-45-9

Description

6-(4-Methoxyphenyl)-5-methyl-3-(thiophen-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 685109-45-9) is a high-purity analytical reference standard with the molecular formula C18H16N4OS and a molecular weight of 336.41 g/mol.

Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 6-(4-Methoxyphenyl)-5-methyl-3-(thiophen-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 336.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

As a certified reference material (CRM), 6-(4-Methoxyphenyl)-5-methyl-3-(thiophen-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine 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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