Nanjing Nstbio Co., LTD  is a supplier and distributor of fine chemicals, building blocks and pharmaceutical intermediates for pharmaceutical and biotech companies.

We specialize in custom synthesis of complex organic molecules. Our clients include drug discovery divisions of major pharmaceutical and biotech companies. We offer high quality, custom-made organic chemicals from gram to kilogram scales.

We also provide contract research service for our clients in order to support their drug discovery efforts. A typical project requires designing and executing the multi-step synthesis of a drug intermediate.

 Our catalog products include unique chiral building blocks, heterocyclic compounds,chiral ligands and other active pharmaceutical ingredients.