CAS Registry Number

CAS 104-03-0 — 4-Nitrophenylacetic acid

4-Nitrophenylacetic acid is a nitro-substituted aromatic carboxylic acid used in organic synthesis and pharmaceutical research. It serves as an intermediate in the production of dyes, agrochemicals, and active pharmaceutical ingredients. Available in powder form, it has a molecular weight of 181.15 g/mol, a molecular formula of C8H7NO4, and a CAS number of 104-03-0. Store at ambient temperature. Handle with care due to its signal word "Danger." Molekula supplies 4-Nitrophenylacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.