Beijing Rexun Pharma

Beijing Rexun Pharma is a biotech company that provides high-quality, integrated research and development products and services to biopharmaceutical clients. Our products and services include API/intermediates (and D-labeled API/intermediates), impurity study and also custom synthesis of various scaffolds, building blocks, reference compounds.
We have strong competitive edges for some products like Saxagliptin Intermediate [CAS361442-00-4], Moxifloxacin Intermediate [CAS151213-42-2], Plerixafor intermediate [CAS295-37-4], Tolvaptan intermediate [CAS137982-91-3] and Ezetimibe intermediate [CAS189028-93-1].
We provide the services of impurity study including synthesis of reference compounds which can not be bought from USP or EP, and identification for unknown impurities. We have the following APIs' impurities as our products: Entecavir, Clopidogrel, Tenofovir Disoproxil Fumarate, Roflumilast, Capecitabine, Prasugrel, Roflumilast, Imatinib, Perindopril, Abiraterone, etc.
Services include: