CAS Registry Number

CAS 475-38-7 — 5,8-Dihydroxy-1,4-naphthoquinone

5,8-Dihydroxy-1,4-naphthoquinone (also called naphthazarin) is a naturally occurring quinone derivative with applications in dye synthesis, biochemical research, and as a precursor in organic chemistry. It appears as an orange to red crystalline solid, soluble in organic solvents but sparingly soluble in water. This chemical has a CAS number of 475-38-7, a molecular formula of C10H6O4, and a molecular weight of 190.1522 g/mol. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies 5,8-Dihydroxy-1,4-naphthoquinone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.