CAS Registry Number

CAS 85-86-9 — Sudan III (C.I.26100)

Sudan III (C.I. 26100) is a red azo dye primarily used in analytical chemistry for fat-soluble sample staining, as well as in historical dye research and certain industrial applications. It is also used as a reference standard in chromatography for quality control in food and cosmetic testing. This chemical has a CAS number of 85-86-9, with the molecular formula C22H16N4O and a molecular weight of 352.3886. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Sudan III from research to bulk quantities with full documentation and ISO 9001:2015 traceability.