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[P]pubcas
Independent chemical reference Compare

Release notes

Release 01 · 27 September 2026

  • 1,000 static substance records from ChEBI release 255.
  • CAS-class terminology, ChEBI family, element and alphabetical browsing.
  • Matched PubChem molecular properties, NIOSH safety references and NITE classification records where available.
  • Official reference links, country-specific official-domain searches and global search-engine shortcuts.
  • CAS batch validation, mass conversions, record exports and four-substance comparison.

Source coverage varies by substance. The classification year displayed on a record is the source’s year, not a claim that it was newly assessed in 2026.