CAS Registry Number

CAS 139-85-5 — 3,4-Dihydroxybenzaldehyde

3,4-Dihydroxybenzaldehyde is an organic compound featuring two hydroxyl groups and an aldehyde functional group, commonly used as a precursor in pharmaceutical synthesis, agrochemicals, and as a building block for specialty polymers. It serves as a key intermediate in the production of antioxidants, UV absorbers, and certain flavoring agents. This chemical has a CAS number of 139-85-5 and carries no signal word under standard classification. It is a white to pale yellow crystalline powder, soluble in ethanol and acetone but sparingly soluble in water. Molekula supplies 3,4-Dihydroxybenzaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.