AMT hydrochloride is a selective inhibitor of inducible NOS (iNOS) with Ki of 4.2 nM.

T1059 is a selective inhibitor of eNOS/iNOS with a long-term vasoconstrictive effect in vivo.

PCC-0105002 is a novel small molecule inhibitor of PSD95-nNOS protein-protein interaction with IC50 of 1.4 uM.

SDMA (Symmetric dimethylarginine) is an endogenous inhibitor of nitric oxide (NO) synthase activity.

iNOs-IN-1 (YPW) is a potent inducible nitric oxide synthase (iNOS) inhibitor. iNOs-IN-1 can significantly inhibit the expression of IL-6 and iNOS, as well as reduce LPS-induced NO generation with dose-dependent manner in mouse macrophages. Anti-inflammatory effects.

8A8 is a potent proinflammatory factor NO inhibitor with an IC50 of 4.7 μM. 8A8 also significantly inhibits LPS-induced HaCat cell proliferation.

7-Nitroindazole is a selective nNOS inhibitor with antinociceptive and cardiovascular effects. 7-Nitroindazole is a useful tool to evaluate the biological roles of nitric oxide in the central nervous system.

Aminopicoline (Ascensil) is a potent and nonselective inhibitor of NO synthase (NOS) isoenzymes (iNOS, nNOS, eNOS).

L-Arginine-13C ((S)-(+)-Arginine-13C) hydrochloride is the 13C-labeled L-Arginine hydrochloride. L-Arginine hydrochloride ((S)-(+)-Arginine hydrochloride) is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.

L-Arginine-1-13C ((S)-(+)-Arginine-1-13C) hydrochloride is the 13C-labeled L-Arginine hydrochloride. L-Arginine hydrochloride ((S)-(+)-Arginine hydrochloride) is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.

L-Arginine-1,2-13C2 ((S)-(+)-Arginine-1,2-13C2) hydrochloride is the 13C-labeled L-Arginine hydrochloride. L-Arginine hydrochloride ((S)-(+)-Arginine hydrochloride) is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.

L-Arginine-13C6 ((S)-(+)-Arginine-13C6) hydrochloride is the 13C-labeled L-Arginine hydrochloride. L-Arginine hydrochloride ((S)-(+)-Arginine hydrochloride) is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.

L-Arginine-13C6,15N4 ((S)-(+)-Arginine-13C6,15N4) hydrochloride is the 13C- and 15N-labeled L-Arginine hydrochloride. L-Arginine hydrochloride ((S)-(+)-Arginine hydrochloride) is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.

1400W dihydrochloride is a slow, tight binding, potent and highly selective inhibitor of inducible nitric oxide synthase (Kd = 7 nM).

Mercaptoethylguanidine (MEG) dihydrobromide is selective inhibitor of the inducible nitric oxide synthase and peroxynitrite scavenger. Mercaptoethylguanidine (MEG) dihydrobromide has the potential for inflammatory bowel diseases research.

FeTPPS, a 5,10,15,20-tetrakis (4-sulfonatophenyl) porphyrin iron III chloride peroxynitrite decomposition catalyst, possessed evident neuroprotective effects in a experimental model of spinal cord damage. FeTPPS acts as a peroxynitrite scavenger and anti-nitrating agent in vivo. FeTPPS reduces nitric oxide (NO) production and apoptosis process.

Carboxy-PTIO is a potent nitric oxide (NO) scavenger that can make a quick reaction with NO to produce NO2. Carboxy-PTIO can prevent hypotension and endotoxic shock through the direct scavenging action against NO in lipopolysaccharide-stimulated rat model.

Kazinol B, a prenylated flavan with a dimethyl pyrane ring, is an inhibitor of nitric oxide (NO) production. Kazinol B improves insulin sensitivity by enhancing glucose uptake via the insulin-Akt signaling pathway and AMPK activation. Kazinol B has the potential for diabetes mellitus research.

Carboxyebselen (HOOC-Ebs) is a potent and selective inhibitor of endothelial nitric oxide synthase (eNOS).

Valeriandoid F is an iridoid, which potently inhibits NO production with an IC50 value of 0.88 μM. Valeriandoid F has anti-inflammatory and antiproliferative activities.

Regaloside A, a phenylpropanoid, shows significant DPPH radical scavenging activity of 58.0% at 160 ppm. Regaloside A has anti-inflammatory activity.

Amaroswerin is a bioactive secoiridoid glucoside from Swertia mussotii. Amaroswerin has anti-inflammatory, antidiabetic, antiviral, anticholinergic and immunomodulatory activities. Amaroswerin inhibits NO release with an IC50 value of 5.42 μg/mL in RAW264.7 cells.

3-O-Acetyl-16α-hydroxydehydrotrametenolic acid, an anti-inflammatory triterpenoid, inhibits NO production and iNOS expression in LPS-stimulated Raw264.7 cells.

Physalin L inhibits LPS-induced NO production in macrophages with the average inhibitory rate of 70.97%. Anti-inflammatory activity.

Isomaculosidine is an alkaloid that can be isolated from D. dasycarpus. Isomaculosidine can inhibit nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated BV2 microglial cells.

MEG (Mercaptoethylguanidine) hemisulfate is a potent and selective inhibitor of the inducible NO synthase (iNOS), with EC50s of 11.5, 110, and 60 μM for iNOS, ecNOS, and bNOS respectively in tissue homogenates. MEG hemisulfate is also a potent scavenger of peroxynitrite and inhibits peroxynitrite-induced oxidative processes. MEG hemisulfate has a protective effect in many experimental models of inflammation, including ischemia/reperfusion injury, periodontitis, hemorrhagic shock, inflammatory bowel disease, and endotoxic and septic shock.

S-Methylisothiourea sulfate is a potent, selective and competitive inhibitor of inducible nitric oxide synthase (iNOS). S-Methylisothiourea sulfate exerts beneficial effects in rodent models of septic shock.

Camstatin TFA, a functionally active 25-residue fragment of PEP-19's IQ motif, binds calmodulin and inhibits neuronal nitric oxide (NO) synthase.

Camstatin, a functionally active 25-residue fragment of PEP-19's IQ motif, binds calmodulin and inhibits neuronal nitric oxide (NO) synthase.

Regaloside B is a phenylpropanoid isolated from Lilium longiflorum. Regaloside B can inhibit the expression of iNOS and COX-2. Regaloside B has anti-inflammatory activity.