(S)-(+)-4-Isopropyl-3-propionyl-2-oxazolidinone CAS NO.77877-19-1

we are manufacturer,we are an emerging chemical service company to provide a series of small-packaged catalyst combo (combination) ?and various chiral catalysts for the biotech and pharmaceutical industries as well as schools and research institutes. We have built our well-chosen catalog of more than 3000 unique chira catalysts (purity 98%, ee%>99%). We also offer high quality services such as custom can choose what they like? combo to meet your needs