CAS Registry Number

CAS 104226-21-3 — HC Yellow 7

HC Yellow 7 is a bright, non-toxic fluorescent dye used in textiles, plastics, and inks for its vivid yellow coloration and UV-visible light properties. It is commonly applied in highlighters, security printing, and optical brighteners due to its strong fluorescence under UV light. This chemical has a CAS number of 104226-21-3, a molecular formula of C17H22N4O2, and a molecular weight of 314.3822 g/mol. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies HC Yellow 7 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.