4′-Methylchrysoeriol (CAS: 4712-12-3), also known as Luteolin-3′,4′-dimethyl ether, is a naturally occurring O-methylated flavonoid derived from plant-based botanical sources. With ≥98% HPLC purity, it is widely used as a research-grade flavonoid reference material for phytochemical analysis, chromatographic method development, and early-stage formulation research.   Supplied with complete technical documentation including COA, HPLC chromatogram, MS, and NMR data.For laboratory and R&D use only.