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Update to Avantor’s response to the coronavirus (COVID-19) pandemic

Due to maintenance activity, this site will not be available from 6AM till 1PM EST on 22nd May 2022

Search, Source, and Order Compounds Quickly

Chemical structure search

Accelerate your discovery by reducing your search time and streamlining procurement process complexities with the VWR Building Blocks Portal, powered by eMolecules.

VWR's product and service solutions plus eMolecule's data and chemical sourcing expertise combine to deliver a streamlined search, source and order process for chemical building blocks so you can focus on your discovery.

  • Access 650,000 compounds through www.vwr.com
  • Sub-structure, similarity or exact search; or use an SD file, SMILES, chemical name, CAS number, MCFD number etc
  • Real time price and availability
  • Rely on our expertise in DOT and DEA compliance
  • Rigorous supplier validation for quality compounds and quick turnaround deliveries
  • Click below to access this powerful search engine tool and add your requirements to your VWR shopping basket for all your lab supplies.

The VWR and eMolecules support team and online tracking system works in harmony to ensure that your order arrives on time and to your specifications.

Watch a short video below to learn how the VWR Building Blocks Portal helps enable science.


How to order

To take advantage of this enhanced functionality, please click Continue below.

By clicking continue, you agree to the Terms of Use.
The VWR Building Blocks Portal site will open in a new window.