NO Synthase Inhibitor

L-Canavanine (sulfate) (Standard) is the analytical standard of L-Canavanine (sulfate). This product is intended for research and analytical applications. L-Canavanine sulfate is a selective inhibitor of inducible NO synthase.

Licoflavanone (3′-Prenylnaringenin) is a flavanone with antioxidant, anti-inflammatory and anticancer activities. Licoflavanone can be isolated from the leaf extract of Glycyrrhiza glabra. Licoflavanone downregulates the mTOR/PI3K/AKT signaling pathway to inhibit the proliferation, migration and invasion of cancer cells, while activates Bax, Bad and multiple caspase enzymes to induce apoptosis. Its anti-inflammatory effect is manifested by reducing the nuclear translocation of NF-κB, decreasing the phosphorylation levels of p38, JNK and ERK1/2, thereby inhibiting the expression of nitric oxide, proinflammatory cytokines, COX-2 and iNOS. Licoflavanone is used in studies on nasopharyngeal carcinoma and related mechanisms.

Paeonidanin is a monoterpenoid glycoside with an IC₅₀ > 100 μM for nitric oxide production inhibition in lipopolysaccharide-activated microglia and macrophages. Paeonidanin suppresses lipopolysaccharide-induced production of nitric oxide, interleukin-6, and tumor necrosis factor alpha in macrophages and microglia.Paeonidanin can be used for the research of inflammation.

Corydaldine is a alkaloid. Corydaldine inhibits the production of NO in the BV2 cell line when stimulated by LPS.^[1]

AR-C102222 is a spirocyclic fluoropiperidine quinazoline selective iNOS inhibitor. AR-C102222 can be used for the research of neuropathic pain.

Anti-inflammatory agent 65 (compound 29) is a Hederagonic acid derivative with potent anti-inflammatory activity. Anti-inflammatory agent 65 inhibits nitric oxide (NO) release. Anti-inflammatory agent 65 inhibits the nuclear translocation of IRF3 and p65, and disrupts the STING/IRF3/NF-κB signaling pathway, thereby attenuating the inflammatory response.

N-(p-Coumaroyl) Serotonin (Standard) is the analytical standard of N-(p-Coumaroyl) Serotonin (HY-129440). This product is intended for research and analytical applications. N-(p-Coumaroyl) Serotonin is an orally active polyphenol found in safflower seeds with potent anti-inflammatory, antioxidant, and antitumor activities. N-(p-Coumaroyl) Serotonin suppresses NF‑κB, TLR4/MyD88 and MAPK signaling, activates NQO1/HO‑1 pathways, and inhibits pro‑inflammatory cytokines, iNOS and COX‑2 and ROS production. N-(p-Coumaroyl) Serotonin induces S‑phase arrest and apoptosis in glioblastoma cells, reduces atherosclerotic lesions, and alleviates renal and vascular injuries. N-(p-Coumaroyl) Serotonin acts as a vasodilator, regulates calcium dynamics. N-(p-Coumaroyl) Serotonin can be used for the research of neurodegenerative diseases, atherosclerosis, glioblastoma, and acute renal failure.

Lubiprostone (Standard) is the analytical standard of Lubiprostone. This product is intended for research and analytical applications. Lubiprostone (SPI-0211) increases intestinal fluid secretion through generation of CIC-2/CFTR and activation of cAMP signaling pathway. Lubiprostone inhibits myeloperoxidase (MPO) activity, downregulates Indomethacin (HY-14397)-induced iNOS and TNFα expression. Lubiprostone can be used for chronic constipation research.

FR260330 is a selective, orally active inhibitor for inducible nitric oxide synthase (iNOS) through suppression of iNOS dimerization. FR260330 inhibits the NO accumulation in rat splenocytes and human DLD-110 cells, with IC₅₀ of 27 and 10 nM. FR260330 ameliorates the Lipopolysaccharides (HY-D1056)-induced inflammatory diseases in rats model.

Pulegone (Standard) is the analytical standard of Pulegone (HY-N1500). This product is intended for research and analytical applications. Pulegone is a monoterpene ketone compound widely present in the essential oils of many plants. Pulegone can also be used as a bird repellent. Pulegone has multiple activities such as anti-inflammatory, antibacterial, antifungal, and anti-hyperalgesic effects. Pulegone is particularly effective against bacteria of the Salmonella species.

meso-Zeaxanthin ((3R,3′S)-Zeaxanthin) is an orally active xanthophyll carotenoid. meso-Zeaxanthin inhibits CYP1A1, CYP1A2, CYP2B1/2, COX-2, TNF-α and iNOS, and enhances the activities of Uridine diphosphate glucuronosyltransferase and Glutathione-S-transferase. meso-Zeaxanthin quenches oxygen free radicals. meso-Zeaxanthin filters short-wavelength blue light, alleviates oxidative damage and visual abnormalities. meso-Zeaxanthin reduces tumor incidence, prolongs tumor latency and survival rate of tumor-bearing mice, and inhibits paw edema. meso-Zeaxanthin can be used in research related to sarcoma and age-related macular degeneration.

8-Hydroxygenistein (8-OHG) is an antioxidant that can effectively scavenge nitric oxide (NO) and superoxide anion (O₂⁻). 8-Hydroxygenistein belongs to ortho-dihydroxy isoflavones (ODI) and is abundantly present in dark soy sauce and light soy sauce. Its antioxidant activity is stronger than that of its parent compound genistein (HY-14596). The content of 8-Hydroxygenistein is positively correlated with the antioxidant capacity of soy sauce (r = 0.959), and it remains highly stable even after being heated in boiling water for 60 minutes. During the brewing and storage of soy sauce, 8-Hydroxygenistein effectively prevents oxidative damage, making it promising for use in food antioxidant research.

Ovalichromene B is a flavonone and phytochemical with an IC₅₀ of 78.83 ± 1.04 μM, found in the dry stem of Pongamia pinnata (L.) Pierre.Ovalichromene B inhibits lipopolysaccharide-induced nitric oxide production.Ovalichromene B exhibits high intestinal absorption, non-mutagenicity, non-hepatotoxicity, and no predicted hERG I or II channel inhibition.Ovalichromene B can be used for the research of neurodegenerative diseases.Ovalichromene B can be used for the research of carbapenem-resistant enterobacterales infections.

Prim-O-glucosylcimifugin (Standard) is the analytical standard of Prim-O-glucosylcimifugin. This product is intended for research and analytical applications. Prim-O-glucosylcimifugin exerts anti-inflammatory effects through the inhibition of iNOS and COX-2 expression by through regulating JAK2/STAT3 signaling.

Sodium propionate-¹³C-1 is the ¹³C-labeled Propionate sodium (HY-B1773A). Sodium propionate is an orally active short-chain fatty acid. Sodium propionate can be produced by intestinal bacteria from the metabolism of dietary fiber. Sodium propionate increases PPAR-γ, inhibits NF-κB activation, and reduces COX-2 expression and NO production. Sodium propionate also induces Apoptosis and Autophagy. Sodium propionate reduces HSV-1-induced keratitis. Sodium propionate has anticancer effects against glioblastoma. Sodium propionate exhibits neuroprotective, antioxidant, and anti-inflammatory activities. Sodium propionate can be used in the research of spinal cord injury and Alzheimer's disease.

D-NAME (NG-Nitro-D-arginine methyl ester) is an orally active enantiomer of L-NAME (HY-18729). D-NAME inhibits Nitric oxide synthase activity in myocardium and aorta (Note: D-NAME was once classified as an inactive substance and used as a negative control in nitric oxide synthase inhibition studies), induces increases in systolic blood pressure and mean arterial blood pressure, reduces mesenteric arterial conductance, elevates the ratio of left ventricular weight to body weight, induces myocardial fibrosis, increases the cross-sectional area of aortic wall, enhances mesenteric vasodilation induced by nitrovasodilators, and releases nitric oxide via its guanidino nitro group. D-NAME has no effect on ovalbumin-induced pulmonary eosinophilia in sensitized mice. D-NAME can be used in hypertension-related research.

Anhydronotoptol is a potent nitric oxide inhibitory coumarin. Anhydronotoptol inhibits NO production in RAW 264.7 cells induced by LPS with an IC₅₀ value of 36.6 μM.

1-Heptadecanoyl-rac-glycerol (1-Heptadecanoin) is a glyceride compound with anti-inflammatory activity. 1-Heptadecanoyl-rac-glycerol inhibits the occurrence of inflammation by suppressing the expression of inducible nitric oxide synthase (iNOS) related to inflammation. 1-Heptadecanoyl-rac-glycerol can be used for research on diseases related to inflammation.

N-Methylnuciferine iodide, an alkaloid from Lotus Plumule, ameliorate lipopolysaccharide-induced depression-like behavior.

S-MTC acetate (S-Methyl-L-thiocitrulline acetate) acts as a powerful inhibitor of inducible nitric oxide synthase, favoring the inhibition of constitutive (neuronal) nitric oxide synthase over inducible (endothelial) nitric oxide synthase.