Claude chemistry research covers molecular structure analysis and therapeutic component design.

Anthropic published a chemistry research evaluation of its Claude models on June 5, testing NMR signal prediction across 20 compounds spanning four structural families with Opus 4.7, Opus 4.6, and Sonnet 4.6, plus a separate 15-problem structure-reasoning test run on Opus 4.7 in which starting-material structures were given as hints for seven harder cases. The work covers molecular structure analysis and early-stage design of therapeutic components, and Anthropic distinguished both from lab-validated synthesis routes for complex low-molecular-weight compounds. Anthropic cautioned that the small sample size limits definitive interpretation of the results. The findings matter as a signal of how frontier models are being positioned for cheminformatics workflows rather than wet-lab synthesis. What to watch next is whether Anthropic scales the benchmark beyond 20 compounds and 15 reasoning problems to support firmer conclusions.