Substance P, Free Acid is a native substance P analogue, but shows no biological activity of substance P. References: Patel AB, et al. Substance P (free acid) adopts different conformation than native peptide in DMSO, water and DPPC bilayers. J Biomol Struct Dyn. 2001 Aug;19(1):129-38.

纯度：≥98%

CAS：71977-09-8