MedChemExpress offers a wide range of high-quality life science biochemicals, including novel bioactive compounds, recombinant proteins, dye reagents, peptides and natural compounds for laboratory and scientific use. We take pride in offering only the highest-grade products. Product identity, quality, purity and activity are assured by our robust quality control programs and procedures. We provide HNMR, LC-MS, HPLC, stability testing and activity assays of our products to clients.