We supply more than 20,000 kinds of spot impurity reference products, with sufficient supply and same-day delivery, to meet the urgent needs of customers at any time. The company has its own R&D center and laboratory, and the team members have more than ten years of experience in the research and development of drug impurity reference substances. Our website www.molcoo.com cover more than 98% of cutting-edge generic drug projects, with complete structural formulas, which greatly saves customers time in impurity structure analysis and inference. All products have strict quality control testing and provide relevant information such as: (COA), H-NMR, C-NMR, MS/GC-MS, HPLC/GC purity, QNMR quantification, TGA thermogravimetry, IR INFRARED, UV ultraviolet, two-dimensional (COSY, NOESY, HMBC, HMQC), etc., to ensure quality and reliability through these structural confirmation maps. Our products have a full range of products, fast delivery, good quality and low price, which can quickly solve various needs such as customer replenishment and consistency evaluation.