This list contains the active substances approved under Regulation 1107/2009/EC, as listed in Regulation 540/2011/EU. The list is separated into five parts: Part A (deemed to have been approved under 1107/2009/EC); Part B (approved under 1107/2009/EC); Part C (basic substances); Part D (low-risk active substances); and Part E (candidates for substitution). Entries include common & IUPAC names, identifiers (e.g., CAS, CIPAC), purity information, and approval and approval expiration dates.