
Materials and Methods of Methylparaben
Materials of Methylparaben 1.Chemicals and Reagents: Methylparaben: High-purity methylparaben (CAS number 99-76-3) obtained from a certified supplier. Solvents: High-performance liquid chromatography (HPLC) grade methanol, ethanol, and water. Buffer Solutions: Phosphate-buffered saline (PBS) for pH stability studies. Standards: Methylparaben standard solutions…









