3-(2-Methoxy-5-methylphenyl)-3-phenylpropanoic acid

3-(2-Methoxy-5-methylphenyl)-3-phenylpropanoic acid (CAS 109089-77-2, EC 600-896-9) is an aryl-substituted propanoic acid derivative carrying both a phenyl group and a methoxy-substituted tolyl group at the beta carbon. It has no assigned E-code or established common trade name and is catalogued under organic acids.

In pharmaceutical and biotechnology research, this compound serves primarily as a polymerization initiator, where its acidic functionality and dual aromatic substitution pattern influence chain-initiation kinetics and polymer architecture. It is also investigated as a synthetic intermediate in medicinal chemistry programs targeting structurally defined small-molecule candidates requiring a diaryl-substituted propanoic acid scaffold.

Supplied as a white crystalline solid, this material is available for research and industrial procurement under REACH compliance applicable to EU-registered substances. Buyers should confirm grade specifications, certificate of analysis requirements, and packaging format directly with the supplier, as batch quantities and purity tiers vary by application.