National Chemical Inventory (NCI) Record Contents

Information displayed in records retrieved from National Chemical Inventories may include:

  • CAS Registry Number® (except confidential substances)
  • Inventory Identifier (AICS, DSL, ECL, EINECS, ELINCS, ENCS, NDSL, NZIoC, PICCS, REACH, SWISS, TSCA)
  • Regulatory list numbers
    • EPA Accession number
    • DSL/NDSL confidential substance number
    • EC number
    • EINECS number
    • ELINCS number
    • ECL serial number
    • ECL toxic substance number
    • ENCS number
    • Israel number
    • Taiwan number
  • TSCA PMN numbers linked to CAS Registry Numbers or EPA inventory numbers
  • Substance names as listed in each inventory
  • English, French, Spanish and German nomenclature, depending on the source
  • Other substance names
    • CA index names
    • CAS synonyms
    • TSCA submitted names
  • Definitions for compounds not structurally defined
  • Molecular formula
  • Chemical category
  • Israel, Swiss, Taiwan classifications
  • Structure diagrams

To order National Chemical Inventories or to obtain more information, please contact CAS Customer Center.

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