LANTHANUM SULFIDE;La2S3

TOP SCIENCE BIOCHEMICAL is a leading worldwide manufacturer of specialty organic chemicals . TSBIO provides organic laboratory chemicals as well as pharmaceutical, cosmetic and functional materials.TSBIO established overseas facilities in North America, Europe, China and India to serve customers worldwide. TSBIO provides a wide range of services to support the pharmaceutical industry through all stages of drug discovery including Custom Synthesis of those chemicals that are not in stock, Isotope Labeling Service, Chiral Synthesis and Resolution, Bioconjugation, PEGylation services, analytical services. Our capacity to provide pharmaceutical discovery services across the entire spectrum of the drug discovery process has assisted many of our esteemed clients in reaching their R&D goals.