Reactive Oxygen Species (ROS)

Azobenzene can be used as an optical trigger for the design and synthesis of a large variety of photoresponsive systems.

Formoterol (hemifumarate hydrate) (Standard) is the analytical standard of Formoterol (hemifumarate hydrate). This product is intended for research and analytical applications. Formoterol hemifumarate hydrate is a selective, long-acting beta 2-adrenoceptor agonist. Formoterol is a bronchodilator used for the research of the asthma and chronic obstructive pulmonary disease (COPD). Formoterol hemifumarate hydrate induces mitochondrial biogenesis and promotes cognitive recovery after traumatic brain injury.

Desipramine-d₄ is the deuterium labeled Desipramine (HY-B1272A). Desipramine is a first-generation tricyclic antidepressant. Desipramine selectively binds to norepinephrine transporter and blocks neuronal norepinephrine reuptake. Desipramine activates MAPK signaling via ERK1/2, JNK, and p38, represses NF-κB and AP-1 activity, and induces apoptosis via ROS elevation, mitochondrial membrane potential reduction, and intracellular calcium increase. Desipramine also shows anyi-inflammatory activity, inhibiting TNF-α production. Desipramine can be used for the research of hepatocellular cancer, inflammation, and neurological diseases.

1-Methyl-1,4-dihydronicotinamide is a derivative of nicotinamide, with radical scavenging activity.

Riboflavin Tetrabutyrate (Standard) is the analytical standard of Riboflavin Tetrabutyrate. This product is intended for research and analytical applications. Riboflavin Tetrabutyrate is a lipophilic flavin derivative with antioxidative and lipid peroxide-removing activity.

Feprazone (DA2370; Prenazone), an analogue of Phenylbutazone (HY-B0230), is a nonsteroidal anti-inflammatory agent with analgesic and antipyretic activities. Feprazone acts by inhibiting the activity of cyclooxygenase (COX)-2. Feprazone ameliorates free fatty acid (FFA)-induced oxidative stress by reducing the production of mitochondrial reactive oxygen species (ROS). Feprazone can decrease the expression of MMP-2 and MMP-9. Besides, Feprazone can suppress adipogenesis and increase lipolysis in differentiating 3 T3-L1 cells. Feprazone also can be used to research atherosclerosis and obesity.

Ellagic acid (Standard) is the analytical standard of Ellagic acid. This product is intended for research and analytical applications. Ellagic acid is a natural antioxidant, and acts as a potent and ATP-competitive inhibitor of CK2 and SHP2, with an IC50 of 40 nM and a Ki of 20 nM.

Momordicine I is a cucurbitane-type triterpenoids. Momordicine I suppresses glioma growth by promoting apoptosis and impairing mitochondrial oxidative phosphorylation. Momordicine I inhibits glycolysis, lipid metabolism, induces autophagy in HNC cells to suppress head and neck cancer growth. Momordicine I alleviates isoproterenol-induced cardiomyocyte hypertrophy through suppression of PLA2G6 and DGK-ζ. Momordicine I exerts its cardiovascular benefits by upregulating nitric oxide, inhibiting the activity of angiotensin-converting enzyme (ACE), activating the PI3K/Akt pathway, reducing oxidative stress and inflammation. Momordicine I inhibits AKT1, IL-6, and SRC, suggesting its potential application in type 2 diabetes.

Hordenine hydrochloride (Ordenina hydrochloride; Peyocactine hydrochloride) is a multifunctional alkaloid with oral activity and blood-brain barrier penetration. Hordenine hydrochloride inhibits LPS-induced phosphorylation of p38, JNK, ERK1/2, p65, IκB, and AKT, prevents p65 nuclear translocation, and suppresses inflammatory cytokines and mediators. Hordenine hydrochloride promotes M2 macrophage polarization, restores blood-milk barrier integrity, alleviates oxidative stress by reducing ROS and MDA, and attenuates LPS-induced lung injury and pulmonary edema. Hordenine hydrochloride inhibits cAMP production, CREB phosphorylation, and MITF expression, thereby suppressing melanin synthesis in melanocytes and reconstructed epidermis. Hordenine hydrochloride activates the Wnt/β-catenin signaling pathway, promotes dermal papilla cell proliferation and hair shaft elongation, and accelerates hair regeneration. Hordenine hydrochloride activates DRD2, acts as a D3R partial agonist, α2A-AR full agonist, and 5-HT2A-R antagonist, and inhibits SERT and DAT. Hordenine hydrochloride inhibits α-synuclein accumulation and ameliorates motor deficits in Parkinson's disease models. Hordenine hydrochloride limits alcohol intake, reduces relapse drinking behavior, and modulates alcohol-induced conditioned place preference. Hordenine hydrochloride can be used for research on mastitis, skin pigmentation, acute lung injury, foodborne diseases, hair loss, Parkinson's disease, bacterial infections, and alcohol use disorder.

Pretilachlor is a chloroacetamide herbicide with biological activities including endocrine disruption, oxidative stress induction, apoptosis induction, and immunotoxicity. Pretilachlor exerts its effects by interfering with hormone metabolism, inducing oxidative stress, activating apoptotic pathways, and inhibiting immune functions. Pretilachlor upregulates the transcription of P53, Mdm2, and Bbc3, and increases the activities of Caspase3 and Caspase9; it upregulates the transcription of genes in the HPG/HPT axis and the activity of aromatase; it induces oxidative stress, elevates ROS levels, and upregulates CAT, SOD, and GPX. Pretilachlor downregulates the transcription of CXCL-C1C, IL-1β, and IL-8. Pretilachlor disrupts the normal physiological processes and embryonic development of fish, exhibiting significant toxicity. Pretilachlor can be used in studies related to weeding, environmental pollution, and behavioral toxicity in fish.

Hesperidin (Standard) is the analytical standard of Hesperidin. This product is intended for research and analytical applications. Hesperidin (Hesperetin 7-rutinoside), a flavanone glycoside, is isolated from citrus fruits. Hesperidin has numerous biological properties, such as decreasing inflammatory mediators and exerting significant antioxidant effects. Hesperidin also exhibits antitumor and antiallergic activities.

Diuron-d₆ is the deuterium labeled Diuron (HY-B0860). Diuron is an orally active phenylurea herbicide. Diuron inhibits photosynthesis in plants by blocking the formation of ATP and NADH. Diuron increases the production of ROS. Diuron increases expression of p53 in certain cell lines. Diuron has herbicidal activity against annual and perennial broadleaf weeds and grass weeds. Diuron promotes DMBA/BBN-induced bladder cancer. Diuron can be used in breast cancer research.

6α-Hydroxy-5α-cholestane (5α-Cholestane-3β,6α-diol) is an oxysterol that promotes the production of superoxide anions in SK-N-BE cells at concentrations of 50 μM and 100 μM.

Magnoloside F is a natural compound that can be isolated from the Magnolia officinalis, and has antioxidant activity.

SHetA2 is a derivative of heteroarotinoid, that exhibits cytotoxicity in cancer cells with IC₅₀ of 0.37–4.6 μM. SHetA2 regulates cancer cells differentiation, induces apoptosis through the intrinsic mitochondrial pathway, and arrest cell cycle at G2 phase. SHetA2 exhibits good pharmacokinetic characteristics and antitumor efficacy in mice. SHetA2 is orally active.

Glucosamine (hydrochloride) (Standard) is the analytical standard of Glucosamine (hydrochloride). This product is intended for research and analytical applications. Glucosamine hydrochloride (D-Glucosamine hydrochloride) is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids, is used as a dietary supplement. Glucosamine hydrochloride also is a natural constituent of glycosaminoglycans in the cartilage matrix and synovial fluid, which when administered exogenously, exerts pharmacological effects on osteoarthritic cartilage and chondrocytes.

(E/Z)-GSK5182 is a racemic compound of (E)-GSK5182 and (Z)-GSK5182 isomers. GSK5182 is a highly selective and orally active inverse agonist of estrogen-related receptor γ (ERRγ) with an IC₅₀ of 79 nM. GSK5182 also induces reactive oxyen species (ROS) generation in hepatocellular carcinoma.

TMB monosulfate is the monosulfate form of TMB (HY-15930). TMB monosulfate is a non-toxic, non-mutagenic, colorless dye that is also used as a chromogenic agent in enzyme detection systems based on horseradish peroxidase (HRP). TMB monosulfate can function as a photoacoustic probe for reactive oxygen and nitrogen species (ROS/RNS), reacting with hypochlorite, hydrogen peroxide, singlet oxygen, and nitrogen dioxide to produce blue oxidation products. TMB monosulfate can detect the singlet oxygen produced by the outer membrane of Escherichia coli ATCC 25922.

Sodium 2-oxopropanoate-¹³C is the ¹³C labeled Sodium 2-oxopropanoate. Sodium 2-oxopropanoate (Sodium pyruvate), a three-carbon metabolite of Glucose, is a compound produced in the glycolytic pathway. Sodium 2-oxopropanoate is a free radical scavenger that can scavenge ROS.

YHV98-4 is a selective, blood-brain barrier-permeable Hv1 inhibitor with an IC₅₀ of 0.7 μM. YHV98-4 reduces ROS production and restores the SHP-1-pAKT signaling pathway. YHV98-4 decreases the spread of hyperphosphorylated Tau protein. YHV98-4 alleviates inflammation and produces analgesic effects. YHV98-4 improves cognitive function in mouse models of Alzheimer's disease. YHV98-4 can be used in research related to inflammatory pain, neuropathic pain and Alzheimer's disease.