Thieme

Thieme's Pharmaceutical Substances database is a meticulously curated and authoritative digital reference for pharmaceutical compounds and their properties. Originally published as a printed reference work, this online version provides comprehensive information about thousands of drug substances including their chemical structures, synthesis routes, pharmacological actions, therapeutic uses, and regulatory status. Each entry is compiled and reviewed by expert pharmacists and chemists, ensuring the highest level of accuracy and reliability. The database covers both current and historical pharmaceutical compounds, making it valuable not only for drug development researchers but also for regulatory professionals, patent attorneys, and academic historians of pharmacy. You can search by chemical name, CAS number, therapeutic category, or structural features, and each entry includes links to related compounds, metabolites, and formulation information.