Allosteric antagonist of P2Y1 (EC50 = 0.06-0.3 μM). Non-nucleotide ligand. Binds receptor outside of the helical bundle.

Src Inhibitor 3 is an effective inhibitor of c-terminal Src kinase (IC50 <3 nM in CSK HTRF, <4 nM in Caliper assay). Src Inhibitor 3 increases T cell proliferation induced by T cell receptor signaling.

Dansyl chloride reacts with primary amino groups in both aliphatic and aromatic amines to produce stable blue- or blue-green-fluorescent sulfonamide adducts. It is widely used to modify amino acids, specifically, protein sequencing and amino acid analysis.