4,4',5,5'-Tetra(pyridin-4-yl)-2,2'-bi(1,3-dithiolylidene) CAS 1581771-50-7

Description

The occurrence of 4,4',5,5'-Tetra(pyridin-4-yl)-2,2'-bi(1,3-dithiolylidene) is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4,4',5,5'-Tetra(pyridin-4-yl)-2,2'-bi(1,3-dithiolylidene) (CAS 1581771-50-7), molecular formula C26H16N4S4 and molecular weight 512.69 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4,4',5,5'-Tetra(pyridin-4-yl)-2,2'-bi(1,3-dithiolylidene) (C26H16N4S4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 512.69 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4,4',5,5'-Tetra(pyridin-4-yl)-2,2'-bi(1,3-dithiolylidene) 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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