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  • 911720 - C5 Lenalidomine-C9-NH2 hydrochloride

911720 Sigma-Aldrich

C5 Lenalidomine-C9-NH2 hydrochloride



Synonym: 10-amino-N-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)decanamide hydrochloride, C5 Lenalidomide conjugate, Crosslinker−E3 ligase ligand conjugate, Protein degrader building block for PROTAC® research, Template for synthesis of targeted protein degrader

  • Empirical Formula (Hill Notation) C23H32N4O4 · xHCl

  • Molecular Weight 428.52 (free base basis)



Related Categories Chemical Biology, Chemical Synthesis, Degrader Building Blocks, Degrader Building Blocks with Carboxyl Reactivity, New Products for Chemical Synthesis More...
Quality Level   100
assay   ≥95%
form   powder
storage temp.   2-8°C


Other Notes

Technology Spotlight: Degrader Building Blocks for Targeted Protein Degradation

Portal: Building PROTAC® Degraders for Targeted Protein Degradation

Targeted Protein Degradation by Small Molecules

Small-Molecule PROTACS: New Approaches to Protein Degradation

Targeted Protein Degradation: from Chemical Biology to Drug Discovery


Protein degrader building block C5 Lenalidomide-C9-NH2 hydrochloride enables the synthesis of molecules for targeted protein degradation and PROTAC (proteolysis-targeting chimeras) technology. This conjugate contains a Cereblon (CRBN)-recruiting ligand with alternative exit vector and a PEGylated crosslinker with pendant amine for reactivity with an acid on the target warhead. Because even slight alterations in ligands, warheads, and crosslinkers can affect ternary complex formation between the target, E3 ligase, and PROTAC, many analogs are prepared to screen for optimal target degradation. When used with other protein degrader building blocks with a terminal amine, parallel synthesis can be used to more quickly generate PROTAC libraries that feature variation in crosslinker length, composition, and E3 ligase ligand.

Legal Information

PROTAC is a registered trademark of Arvinas Operations, Inc., and is used under license

Safety & Documentation

Safety Information

GHS08  GHS08
Signal word 
Hazard statements 
Precautionary statements 
Target organs 
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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