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Chemspace is

Chemspace is the largest database of small molecules: Building Blocks, Fragments, and Screening Compounds. More »

Molecules of the week

News and Events

22 May 2019

Hot Summer Sale is coming soon

Compound Sets sale is coming soon! Please follow the updates. This summer is going to be special...

23 April 2019

Chemspace and Molecular Forecaster Announce Partnership

Chemspace and Molecular Forecaster Announce Partnership Streamlining Early Drug Discovery by Linking Chemical Design, Purchasing, and Modeling.

23 April 2019

Blocks for DNA-encoded chemical libraries (DEL)

Chemspace offers high quality Building Blocks suitable as cores and as decorators for DEL. Compounds have favorable PhysChem profiles.