ChemACX from PerkinElmer is a database of commercially available chemicals from over 759
leading supplier catalogs including Sigma Aldrich, Fisher, Acros, Alfa Aesar and TCI America.

ChemACX is updated monthly, providing rapid ordering information for 11.5 million unique chemical
substances available as 24 million products.

  • Search

  • Enter a Name, CAS Registry Number*, MF or MW.
    Name search appends * (e.g. benzene benzene*).
    Use "=" for exact names (e.g. =benzene).
    Use "*" prefix for substring (e.g. *benzene).
    Enclose MF in Brackets (e.g. [C3H6O]).

Copyright 1998-2019 PerkinElmer Inc. All Rights Reserved.

* The CAS Registry Numbers provided in have not been verified by CAS and may be inaccurate.
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  • Application version: 11.0.3
  • Database version: (July Update)
  • Substances: 11,798,502
  • Products: 24,836,243
  • Suppliers: 759
  • New Suppliers: A2B Chem LLC, Angel Pharmatech Ltd,
    eNovation Chemicals LLC, Rare Chemicals GmbH Screening Library
  • New Feature: ¤ Users are now able to search the Substances by using
    INCHI, INCHIKEY and SMILES strings.
  • ¤ Substances now display the calculated values for properties
    BP, MP, LogP, Exact Mass, Mol_Refractivity and tPSA where able. These
    calculated properties are now searchable.