Fragment Libraries

Curated fragment collections for fragment-based drug discovery

Enamine's Fragment Collection contains 330,020 compounds for cherry-picking and specialized pre-plated libraries for fragment-based drug discovery. A separately tested subset contains 12,505 fragments with proven water-solubility data.

Cherry-pick Fragments
330,020
Water-solubility Subset
12,505
Pre-plated Libraries
14
Methods
Multi-platform

Extensive Fragment Collection

The January 2026 Enamine Fragment Collection contains 330,020 compounds available for cherry-picking, supporting custom and pre-designed FBDD selections.

  • 330,020 cherry-pick fragments
  • Diverse chemotypes
  • Custom library design
  • Stock-backed hit follow-up

3D Fragment Libraries

Specialized collections featuring three-dimensional, sp³-rich fragments that explore underrepresented chemical space and offer improved binding specificity.

  • Three-dimensional scaffolds
  • sp³-rich compounds
  • Unique chemical space coverage
  • Enhanced binding specificity

Solubility & Screening Formats

A dedicated subset of 12,505 fragments has proven water-solubility data, and Enamine currently offers 14 pre-plated fragment libraries for different screening strategies.

  • 12,505 water-solubility-tested fragments
  • 14 pre-plated libraries
  • X-ray and NMR-oriented sets
  • SPR and thermal-shift options

Follow-up Chemistry Support

Beyond initial screening hits, we provide comprehensive support for fragment elaboration and lead optimization.

  • Fragment elaboration support
  • Analog synthesis capabilities
  • SAR investigation services
  • Lead optimization expertise