4,4'-(Diazene-1,2-diyl)bis(3-hydroxynaphthalene-2,7-disulfonic acid) CAS 76877-41-3

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'-(Diazene-1,2-diyl)bis(3-hydroxynaphthalene-2,7-disulfonic acid).

4,4'-(Diazene-1,2-diyl)bis(3-hydroxynaphthalene-2,7-disulfonic acid) (CAS 76877-41-3), molecular formula C20H14N2O14S4 and molecular weight 634.59 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4,4'-(Diazene-1,2-diyl)bis(3-hydroxynaphthalene-2,7-disulfonic acid) (C20H14N2O14S4) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 634.59 g/mol, it falls into the high-molecular-weight range. 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.

CATO manufactures 4,4'-(Diazene-1,2-diyl)bis(3-hydroxynaphthalene-2,7-disulfonic acid) 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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