DRI-C21045 is a small-molecule inhibitor of the CD40-CD40L protein-protein interaction used in research to modulate immune costimulatory signaling. It is reported to be active at submicromolar concentrations (IC50 ≈ 0.17 μM) and is supplied as a solid research compound.
- Potent CD40-CD40L interaction inhibitor (IC50 ≈ 0.17 μM).
- High chemical purity suitable for research applications.
- Molecular weight 580.61 and formula C32H24N2O7S.
- Off-white to gray solid, typically supplied in 10 mg vials.
- Soluble in DMSO; handle per standard laboratory safety procedures.