NEW DELHI, India—Last month, Avantor Performance Materials Holdings S.A., previously known as Mallinckrodt Baker, entered into a definitive agreement to acquire RFCL Ltd., a developer of laboratory reagents and consumables and products for the medical diagnostics market in India, for an undisclosed sum. RFCL offers more than 20,000 different laboratory products to more than 5,000 customers across a variety of industries, including pharmaceuticals, biotech, research organizations and educational institutions. RFCL’s Diagnova division offers approximately 2,000 products used by more than 6,000 customers primarily in the Indian in vitro diagnostics, medical devices and life science research markets, which cater to hospitals, pathology laboratories and blood banks. Avantor and its subsidiaries manufacture and market high-performance chemistries and materials around the world under two brand names, J.T.Baker and Mallinckrodt Chemicals.