Shanghai Macklin Biochemical Technology Co., Ltd. Main categories: mesitylenetribenzoic acid CAS:1246562-60-6 98% Organic Building Blocks,1 3 6 8-Tetra(4-carboxyphenyl)pyrene CAS:933047-52-0 97% General Reagents,Sodium 1-heptanesulfonate CAS:22767-50-6 98% Organic Building Blocks,Sodium 1-pentanesulfonate CAS:22767-49-3 for Ion-Pair Chromatography 98.0 % Other Analytical Chemistry Reagent,2-Aminoterephthalic acid CAS:10312-55-7 98% General Reagents