Sigma-Aldrich, headquartered in St Louis in the US, is already the world's largest supplier of biochemicals and organic chemicals to research laboratories, clocking up sales of $2.7 billion last year.

Merck will now sell the range of life science products, from basic science tools and reagents ... said the firm had a “clear commitment” to St. Louis, Missouri, where Sigma-Aldrich is based. According ...

(Corrects third to last paragraph to say "the erosion from LOEs (loss of exclusivity)", not "from LOEs (levels of evidence)") ...

After a slow 2024, dealmaking in the U.S. healthcare sector is picking up. Springworks has a market value of $3 billion.