Henri Kagan and Kenso Soai won the 2026 Nobel Prize in Chemistry for discoveries that showed how chemical reactions can amplify small differences between mirror-image molecules. Henri Kagan and Kenso Soai were awarded the prize for breakthroughs that have advanced the development of modern pharmaceuticals. Key points and original sources are listed below.

• Henri Kagan and Kenso Soai won the 2026 Nobel Prize in Chemistry for discoveries that showed how chemical reactions can amplify small differences between mirror-image molecules.S1

• Henri Kagan and Kenso Soai were awarded the prize for breakthroughs that have advanced the development of modern pharmaceuticals.S2