4-Hydroxybenzaldehyde (p-hydroxybenzaldehyde, CAS 123-08-0) is a high-purity (typically ≥98%) aromatic aldehyde widely used as an intermediate in pharmaceuticals, fragrances, and fine chemicals, valued for its stable crystalline form and mild vanilla-like aroma; in India, Ketone Pharma is known to supply and distribute such specialty chemical intermediates, including 4-Hydroxybenzalde... https://www.ketonepharma.com/product/4-hydroxy-benzaldehyde/