Potent and selective KV1.3 channel blocker (IC50 values are 0.0019 and 0.65 nM for KV1.3 and KV1.1, respectively). Inhibits CD4+ CCR7- T cell activation. Ameliorates rat experimental autoimmune encephalomyelitis, in a model for multiple sclerosis.

Fz7-21 TFA ((Ac)-LPSDDLEFWCHVMY-NH2 TFA), a peptide antagonist of Frizzled 7 (FZD 7) receptors, selectively binds to FZD7 CRD subclass. The EC50 values are 58 and 34 nM for human and mouse FZD7 CRD, respectively.

茜素红 S 钠（ARS 钠）是一种蒽醌染料。它已被广泛用于评估细胞培养中的钙沉积。