1,5,8-Trihydroxy-2-(p-tolylamino)anthracene-9,10-dione CAS 61548-23-0

Description

The occurrence of 1,5,8-Trihydroxy-2-(p-tolylamino)anthracene-9,10-dione is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1,5,8-Trihydroxy-2-(p-tolylamino)anthracene-9,10-dione (CAS 61548-23-0), molecular formula C21H15NO5 and molecular weight 361.35 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 1,5,8-Trihydroxy-2-(p-tolylamino)anthracene-9,10-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 361.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures 1,5,8-Trihydroxy-2-(p-tolylamino)anthracene-9,10-dione 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.

Physical & Chemical Properties

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