J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

We have two R&D center both in Suzhou and Nanjing. The R&D Center owns labs with 2500m6623 Production Base. And excellent staff, advanced equipments ,instruments, strict quality management system enhance our competitiveness.We are good at rare&hard t

Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen

1H-thieno[2,3-b][1,4]oxazin-2(3H)-one