Oscillaginin A Oscillaginins are linear peptides found in cyanobacteria such as Oscillatoria agardhii. Like other cyanotoxins, oscillaginins likely inhibit protein phosphatases (PPs). References PubMed ID：:http://www.ncbi.nlm.nih.gov/pubmed/18951082 Cas No. 189438-19-5 Purity ≥95%…
Ornidazole Ornidazole is a derivative of 5-nitroimidazole that exhibits antibacterial and anti-protozoan activity. Ornidazole is clinically used to treat dysentery and other symptoms of bacterial infection. Ornidazole is both cytotoxic…
Orlistat Orlistat is an inhibitor of fatty acid synthase that is clinically administered for its anti-obesity benefits. Orlistat is often used as a weight loss aid, although it also exhibits…
Oridonin Oridonin is a diterpenoid found in Rabdosia rubescens. Oridonin has anti-inflammatory and antibacterial activity but is most widely known for its anticancer chemotherapeutic actions. This compound can bind HPS70…
Orexin B, human Orexin B is an endogenous peptide neurotransmitter that activates orexin-2 receptors (OX2), controlling pituitary functions and increasing secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH). Orexin…
Opioid Receptor Antagonist Ac-RFMWMK-NH2 This acetalin peptide inhibits all opioid receptors with the greatest affinity for μ-opioid receptors (μORs) and the weakest affinity for δ-opioid receptors (δORs); it increases contractility…
Ondansetron Hydrochloride Dihydrate Ondansetron exhibits antiemetic, antidepressant, and anxiolytic activities; it is an antagonist at 5-HT3 receptors. Through downstream effects on 5-HT signaling, ondansetron decreases immobility time in the forced…
Omeprazole Omeprazole is a proton pump inhibitor (PPI) that acts as an antagonist at H+/K+ ATPases and is clinically used to treat gastroesophageal reflux disease (GERD), dyspepsia, and peptic ulcer…
Oltipraz Oltipraz is an activator of Nrf2 that exhibits anti-fibrotic, anti-diabetic, anti-parasitic, anti-angiogenic, and anticancer chemotherapeutic activities. Oltipraz induces phase II enzymes such as NADPH:quinone reductase. Oltipraz also displays efficacy…
Olsalazine Sodium Olsalazine is a prodrug of 5-aminosalicylate that exhibits anti-inflammatory and chemopreventive activities. Olsalazine is used in both human and veterinary medicine and most commonly treats ulcerative colitis. Olsalazine…