4-(4-Ethoxyphenyl)-5-(1H-indol-3-yl)-4H-1,2,4-triazole-3-thiol CAS 885458-58-2

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(4-Ethoxyphenyl)-5-(1H-indol-3-yl)-4H-1,2,4-triazole-3-thiol.

4-(4-Ethoxyphenyl)-5-(1H-indol-3-yl)-4H-1,2,4-triazole-3-thiol (CAS 885458-58-2), molecular formula C18H16N4OS and molecular weight 336.41 g/mol, is a CATO reference standard with documented purity and traceability.

4-(4-Ethoxyphenyl)-5-(1H-indol-3-yl)-4H-1,2,4-triazole-3-thiol (C18H16N4OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; 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), 4-(4-Ethoxyphenyl)-5-(1H-indol-3-yl)-4H-1,2,4-triazole-3-thiol 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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