CAS Registry Number

CAS 591-31-1 — 3-Methoxybenzaldehyde

3-Methoxybenzaldehyde is an aromatic aldehyde widely used in fragrance and flavor synthesis, pharmaceutical intermediates, and organic chemistry as a versatile building block. It appears as a pale yellow to colorless liquid with a sweet, floral odor. This chemical has a CAS number of 591-31-1, a molecular formula of C8H8O2, and a molecular weight of 136.15 g/mol. It is stable under ambient storage conditions but requires careful handling, as indicated by its "Warning" signal word for moderate hazards. Molekula supplies 3-Methoxybenzaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.