AG-879, a member of the tyrphostin family of tyrosine kinase inhibitors, inhibits NGF receptor (pp140c-trk) autophosphorylation selectively with no inhibition of EGF or PDGF receptor phosphorylation (IC50=10 µM). AG-879 inhibits NGF-induced neurite outgrowth in PC12 cells. Purity: ≥99% (HPLC). Solubility: Soluble in 100% ethanol (25mg/ml) or DMSO (25mg/ml). Long Term Storage: -20°C.