Synonyms: L-NPA; N(omega)-Propyl-L-arginine; N(w)-Propyl-L-arginine; N-omega-Propyl-L-arginine; N-Omega-propyl-L-Arginine; N5-[Imino(propylamino)methyl]-L-ornithine; NG-Propyl-L-arginine; NPA; NPLA; Nomega-Propyl-L-Arginine; PLA; p-ARG
Molecular Formula: C9H20N4O2 · xHCl
Linear Structural Formula: C9H20N4O2 · xHCl
MDL Number: MFCD01320455
Purity: >=98% (HPLC)
Storage: -20C
Biochem Physiol Actions: Nomega-Propyl-L-arginine (NPA; NPLA; p-ARG; L-PNA) is a substrate-competitive, reversible, potent and selective neuronal nitric oxide synthase (nNOS; bNOS) inhibitor (Ki = 57 nM/bovine nNOS, 8.5 muM/bovine eNOS, 180 muM/murine iNOS) widely used for probing nNOS-dependent physiological and pathological processes both in cultures and in animals in vivo.