4-hydroxybenzoic acid อ่านว่า

loba chemie is a manufacturer of laboratory reagents and fine chemicals for industrial use. our product range includes analytical reagents like hplc buffer salts, gc solvents, aas standard solutions, biological dyes and stains for microscopy, high purity acids, karl fischer reagent and many more. we also offer a wide range of reagents for sciences like nucleosides, nucleotides, amino acids and derivatives.