CAS Registry Number

CAS 521-24-4 — 1,2-Naphthoquinone-4-sulfonic acid sodium salt

1,2-Naphthoquinone-4-sulfonic acid sodium salt is an organic compound primarily used as a dye intermediate, redox agent, and in biochemical research for enzyme assays and staining applications. It appears as a yellow to orange crystalline powder, soluble in water. This chemical has a CAS number of 521-24-4, with the molecular formula C10H5NaO5S and a molecular weight of 260.19847. It is stable at ambient storage conditions and carries a signal word of "Warning" per GHS classification. Molekula supplies 1,2-naphthoquinone-4-sulfonic acid sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.