N-Propyl-L-arginine

N-Propyl-L-arginine
Names

Other names 2-Amino-5-[(N'-propylcarbamimidoyl)amino]pentanoic acid
Identifiers
CAS Number	137361-05-8^Y
3D model (JSmol)	Interactive image Interactive image
ChemSpider	4234^N 394346 S^N
PubChem CID	4387 17753781 R 447180 S
InChI InChI=1S/C9H20N4O2/c1-2-5-12-9(11)13-6-3-4-7(10)8(14)15/h7H,2-6,10H2,1H3,(H,14,15)(H3,11,12,13)^N Key: AOMXURITGZJPKB-UHFFFAOYSA-N^N
SMILES CCC[nH]:c(:[nH]):[nH]CCCC(N)c(:[o]):[oH] CCCNC(=N)NCCCC(N)C(O)=O
Properties
Chemical formula	C₉H₂₀N₄O₂
Molar mass	216.29 g·mol⁻¹
log P	0.389
Acidity (pK_a)	2.512
Basicity (pK_b)	11.485
Related compounds
Related alkanoic acids	Methylarginine Asymmetric dimethylarginine
Related compounds	Acecarbromal
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references

N-Propyl-L-arginine, or more properly N^G-propyl-L-arginine (NPA), is a selective inhibitor of neuronal nitric oxide synthase (nNOS).

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