3,5-Dinitro-p-toluenesulfonic acid

Dayang Chem (Hangzhou) Co., Ltd dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredient(s); Nutritional products; Custom synthesis; Contract Manufacturing. We pride ourelf on our excellent team of well-known engineers, technological persons and young professional staffs to research and develop new process. We are also dedicated to provide custom synthesis and contract research services to industrial and academic entities on a short or long-term basis. In our lab and pilot-plant, compounds can be manufactured in the quantity from a few grams up to tens of kilos and beyond. we can supply the key intermediates for your project, which short your synthesis scheme and supply you a reference compound for bioa.....more>>