Jubilant Chemsys Ltd. (JCL) is a privately held contract research organization (CRO). It is engaged in providing medicinal chemistry services in drug discovery portfolio and development programs for global pharmaceutical and biotechnology companies. JCL is associated with over 40 customers around Europe and the US availing chemistry services. The key services offered by the company include, lead optimization through SAR, library design–both combinatorial and focused, and custom Synthesis for newer hit compounds, intermediates, scaffolds and building blocks. JCL is the wholly-owned subsidiary of Jubilant Organosys Ltd. The company offers two business arrangements for its customers, namely Flexible FTE and Hybrid FTE. Recently Jubilant Biosys Ltd., also a subsidiary of Jubilant Organosys Ltd., and Endo Pharmaceuticals (Nasdaq: ENDP)., of Chadds Ford, Pa., U.S.A., entered into drug discovery partnership in oncology. The company is headquartered in Noida, India.