3-Amino-N-(2-(ethylthio)phenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide CAS 445267-57-2

Description

CATO manufactures 3-Amino-N-(2-(ethylthio)phenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide 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.

3-Amino-N-(2-(ethylthio)phenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 445267-57-2), molecular formula C21H18N4OS2 and molecular weight 406.52 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 3-Amino-N-(2-(ethylthio)phenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (C21H18N4OS2) is characterized by a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

Physical & Chemical Properties

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