CAS Registry Number

CAS 3336-49-0 — 4-Hydroxyisoquinoline

4-Hydroxyisoquinoline is a heterocyclic organic compound featuring a hydroxyl group attached to an isoquinoline core, primarily used as a synthetic intermediate in pharmaceuticals, agrochemicals, and organic synthesis. It serves as a key building block for APIs, dyes, and other specialty chemicals due to its reactive nitrogen-containing ring structure. CAS 3336-49-0, molecular formula C9H7NO, molecular weight 145.16 g/mol. Stored at ambient conditions. Signal word: Warning. Molekula supplies 4-Hydroxyisoquinoline from research to bulk quantities with full documentation and ISO 9001:2015 traceability.