šŸ”¬ PFAS Definition Checker

Check molecules against regulatory PFAS definitions

Select Definitions to Check:

šŸ“š Definition Criteria (Click to edit/configure):

  • OECD: Contains at least one perfluorinated methyl group (CFā‚ƒ-) or one perfluorinated methylene group (ā€“CFā‚‚ā€“)
  • EU: Contains at least one of the moieties: -CFā‚‚-, -CFā‚ƒ, or any fluorinated structure meeting fluorine ratio requirements
  • OPPT 2023: Contains at least one of the following structures: R-CFā‚‚-CFā‚‚-R', R-CFā‚‚-CFā‚ƒ, R-CFā‚ƒ
  • UK: Contains at least one perfluorinated alkyl moiety (Cā‚™Fā‚‚ā‚™ā‚Šā‚-) with n ā‰„ 1
  • PFASTRUCTv5: Custom structural patterns with optional fluorine ratio criteria

Note: SMARTS patterns for each definition can be configured. Current implementation uses placeholder patterns.

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