Reactive Oxygen Species (ROS) Activator

Massoia lactone (Standard) ((±)-Massoia lactone (Standard)) is the analytical standard of Massoia lactone (HY-N7435). This product is intended for research and analytical applications. Massoia lactone ((±)-Massoia lactone) is a natural lactone-based biosurfactant with antifungal (fungal), antibiofilm, and cytotoxic activities. Massoia lactone inhibits fungal hyphal growth and spore germination, and induces fungal cell necrosis by forming membrane pores, reducing ergosterol, elevating ROS, and causing leakage of intracellular components. Massoia lactone inhibits the viability and proliferation of tumor cells. Massoia lactone degrades the extracellular polymeric substances of polymicrobial biofilms, penetrates the biofilm matrix, inhibits the growth of planktonic oral bacteria (bacterial), and reduces surface tension through its amphiphilic properties. Massoia lactone is a low-toxicity, biodegradable food additive with a coconut cream aroma, which can be used for flavor improvement and also serves as a quality control marker for Cs-4 mycelium. Massoia lactone can be used for research on Fusarium head blight, malignant tumors, and oral polymicrobial biofilm-associated dental diseases.

TH16 is an antibacterial agent (MIC=2 μg/mL against methicillin-resistant Staphylococcus aureus, MRSA). TH16 disrupts bacterial cytoplasmic membrane integrity, elevating intracellular reactive oxygen species (ROS) levels to induce bacterial death. TH16 is promising for research of bacterial infection.

4',5,7,8-Tetrahydroxyflavanone (Carthamidin) is a flavanone pigment. 4',5,7,8-Tetrahydroxyflavanone can be found in Carthamus tinctorius. 4',5,7,8-Tetrahydroxyflavanone induces ROS generation, oxidative stress, Apoptosis-mediated cell death, cell cycle arrest at G₀/G₁ phase, mitochondrial membrane potential collapse, and LDH leakage. 4',5,7,8-Tetrahydroxyflavanone exhibits anti-inflammatory, antioxidant, and neuroprotective effects, and acts as a reducing and capping agent for gold nanoparticles. 4',5,7,8-Tetrahydroxyflavanone can be used in breast cancer research.

Fomesafen (Standard) is the analytical standard of Fomesafen (HY-B2010). This product is intended for research and analytical applications. Fomesafen is an orally active herbicide. Fomesafen inhibits protoporphyrinogen oxidase (PPO). Fomesafen induces Apoptosis and increases ROS. Fomesafen exhibits developmental toxicity, immunotoxicity, and neurotoxicity. It induces precancerous lesions in the liver and hepaturoporphyria in mice. Fomesafen is used to control broadleaf weeds in soybean fields, rubber plantations, and orchards.

Rifamycin S (Standard) is the analytical standard of Rifamycin S. This product is intended for research and analytical applications. Rifamycin S, a quinone, is an antibiotic against Gram-positive bacteria (including MRSA). Rifamycin S is the oxidized forms of a reversible oxidation-reduction system involving two electrons. Rifamycin S generates reactive oxygen species (ROS) and inhibits microsomal lipid peroxidation. Rifamycin S can be used for tuberculosis and leprosy.

Fluoxastrobin is a fungicide. By binding to NAD-dependent epimerase/dehydratase, Fluoxastrobin interferes with electron transport, reduces ATP production and inhibits mycelial growth, thereby effectively controlling foliar diseases of tea plants. Fluoxastrobin induces oxidative stress by increasing ROS levels and lipid peroxidation, causes DNA damage and promotes apoptosis; meanwhile, it shows high acute toxicity to Danio rerio embryos and larvae. Fluoxastrobin can be used in research related to tea foliar diseases (including tea red leaf spot and tea gray leaf spot).

Quinolinic acid-¹³C₇ is the ¹³C labeled Quinolinic acid (HY-100807). Quinolinic acid, an endogenous metabolite of tryptophan, is a N-methyl-D-aspartate receptor (NMDA receptor) agonist. Quinolinic acid increases glutamate efflux, induces the generation of ROS, activates nitric oxide synthase, produces excessive NO, leading to calcium ion influx and neuronal apoptosis.

Antibacterial agent 308 (Compound A25) is an antibacterial agent. Antibacterial agent 308 selectively targets bacterial membranes by binding phosphatidylethanolamine, thereby disrupting membrane polarization, elevating intracellular ROS levels. Antibacterial agent 308 shows significant anti-biofilm activity against S. aureus. Antibacterial agent 308 demonstrates potent anti-MRSA activity.

Insecticidal agent 38 is a AChE inhibitor and Insecticide, with an IC₅₀ of 49.08 μg/mL against AChE. Insecticidal agent 38 inhibits the activities of SOD, Catalase and Glutathione-S-transferase. Insecticidal agent 38 induces intracellular ROS, lipofuscin and lipid accumulation, increases malondialdehyde levels, disrupts redox homeostasis and triggers oxidative damage. Insecticidal agent 38 inhibits the feeding and reproductive capabilities of the pine wood nematode (Bursaphelenchus xylophilus). Insecticidal agent 38 exhibits insecticidal activity against nematodes. Insecticidal agent 38 can be used in studies of plant-parasitic nematode infections.

Dithianon (Standard) is the analytical standard of Dithianon. This product is intended for research and analytical applications. Dithianon is a broad-spectrum anthraquinone fungicide with good adherence to the surface of leaves and fruits. Dithianon is used to control several several fungal of some fruits and vegetables, as anthracnose (Colletotrichum sp., Elsinoe ampelina), mildew (Plasmopara viticola), phomopsis (Phomopsis viticola), among others.

Carboxyatractyloside (dipotassium) (Standard) is the analytical standard of Carboxyatractyloside dipotassium (HY-N2522). This product is intended for research and analytical applications. Carboxyatractyloside dipotassium is a diterpenoid. Carboxyatractyloside dipotassium can be isolated from plants of the genus Xanthium. Carboxyatractyloside dipotassium is an ADP/ATP carrier inhibitor, inhibiting mitochondrial ADP/ATP transport. Carboxyatractyloside dipotassium promotes ROS production, induces Ca²⁺ release, and leads to mitochondrial dysfunction. Carboxyatractyloside dipotassium induces lethargy, weakness, and epileptic seizures in rats.

Citronellol-d₆ is deuterated labeled Citronellol (HY-W010201). Citronellol ((±)-Citronellol) is an orally active inducer of apoptosis. Citronellol can prevent oxidative stress, mitochondrial dysfunction, and apoptosis in the SH-SY5Y cell Parkinson's disease model induced by 6-OHDA by regulating the ROS-NO, MAPK/ERK, and PI3K/Akt signaling pathways. Citronellol can induce necroptosis in human lung cancer cells through the TNF-α pathway and accumulation of ROS. Citronellol can reduce the levels of LC-3 and p62 to regulate the autophagy pathway, inhibit oxidative stress and neuroinflammation, and thus have neuroprotective effects on Parkinson's rats. Citronellol exhibits anti-fungal activity against Trichophyton rubrum by inhibiting ergosterol synthesis^.

Trimethylamine N-oxide (dihydrate) (Standard) is the analytical standard of Trimethylamine N-oxide (dihydrate). This product is intended for research and analytical applications. Trimethylamine N-oxide dihydrate is a gut microbe-dependent metabolite of dietary choline and other trimethylamine-containing nutrients. Trimethylamine N-oxide dihydrate induces inflammation by activating the ROS/NLRP3 inflammasome. Trimethylamine N-oxide dihydrate also accelerates fibroblast-myofibroblast differentiation and induces cardiac fibrosis by activating the TGF-β/smad2 signaling pathway.

Propiconazole-d₇ is the deuterium labeled Propiconazole. Propiconazole is a broad-spectrum triazole fungicide that inhibits the conversion of lanosterol to ergosterol, leading to fungal cell membrane disruption. Propiconazole inhibits S. cerevisiae, but not rat liver, microsomal cytochrome P450 (IC₅₀s=0.04 and >200 μM, respectively). Propiconazole inhibits the growth of T. deformans and R. stolonifer (ED50s=0.073 and 4.6 μg/mL, respectively). Propiconazole increases production of reactive oxygen species (ROS).

Antibacterial agent 318 is an antibacterial agent that binds to bacterial DNA, blocks its replication, and forms supramolecular complexes. Antibacterial agent 318 acts as an oxidative stress inducer, elevating intracellular reactive oxygen species (ROS) levels, oxidizing glutathione (GSH) to glutathione disulfide (GSSG), depleting cellular GSH reserves, and inducing bacterial cell death through oxidative damage. Antibacterial agent 318 disrupts the bacterial cell membrane and reduces bacterial metabolic activity. Antibacterial agent 318 exhibits rapid bactericidal activity, inhibits bacterial biofilm formation, and displays minimal cytotoxicity toward non-cancerous mammalian cells. Antibacterial agent 318 is applicable in research on drug-resistant bacterial infections.

Arecaidine-propargyl ester is a selective M2 muscarinic receptor agonist with blood-brain barrier permeability, with a pK_i of 5.91 for hm1, 7.06 for hm2, 6.07 for hm3, 6.01 for hm4, and 6.03 for hm5. Arecaidine-propargyl ester stimulates central and peripheral muscarinic receptors. Arecaidine-propargyl ester increases intracellular ROS, induces DNA damage and Apoptosis, and upregulates the expression of MnSOD and SIRT1. Arecaidine-propargyl ester reduces sympathetic nerve outflow, induces dose-dependent hypotension, and triggers negative chronotropic effects at high peripheral doses. Arecaidine-propargyl ester can be used in research related to Alzheimer's disease and glioblastoma.

4-Vinylcyclohexene dioxide (Standard) is the analytical standard of 4-Vinylcyclohexene dioxide (HY-106591A). This product is intended for research and analytical applications. 4-Vinylcyclohexene dioxide (4-Vinylcyclohexene diepoxide) is an orally active metabolite of 4-vinylcyclohexene. 4-Vinylcyclohexene dioxide induces Apoptosis, increases intracellular ROS, and activates the PI3K/Akt/mTOR pathway. 4-Vinylcyclohexene dioxide selectively damages small ovarian follicles, inhibits granulosa cell function, and disrupts the male reproductive system. 4-Vinylcyclohexene dioxide can be used in the study of premature ovarian insufficiency, reproductive toxicity, and related fertility disorders.

Y-27632 (Standard) is the analytical standard of Y-27632 (HY-10071). This product is intended for research and analytical applications. Y-27632 is a ROCK inhibitor with K_i values of 220 nM and 300 nM for ROCK1 and ROCK2, respectively. Y-27632 exerts anti-inflammatory and immunomodulatory effects in systemic lupus erythematosus models by inhibiting the ROCK/NF-κB pathway. Y-27632 enhances autophagy by inhibiting the AKT/mTOR pathway, thereby inducing apoptosis apoptosis in oral squamous cell carcinoma. Y-27632 induces the formation of tunneling nanotubes in ARPE-19 cells and significantly enhances mitochondrial transfer through these channels. Y-27632 promotes neurite outgrowth in PC12 cells by activating the Rac1/NOX1/ROS/AKT/PAK1 signaling cascade.

O-1663 is a full agonist of cannabinoid receptor 2 (CB2 receptor). O-1663 stimulates the production of ROS, downregulates Id1, and induces autophagy and apoptosis in breast cancer cells. O-1663 inhibits the proliferation, invasion and metastasis of breast cancer cells. O-1663 prolongs the survival of models with advanced metastatic breast cancer. O-1663 can be used for the research of metastatic breast cancer.

RKS262 is an orally active cyclin/CDK inhibitor. RKS262 is also an apoptosis inducer and cell cycle regulator, exhibiting cytotoxic activity against cancer cells. RKS262 induces caspase-3 cleavage, ROS generation, SAPK/JNK activation, and upregulates the expression of p53, Bid, Bad, Bok, and p27. RKS262 inhibits the expression of Bcl-2, Mcl-1, Bcl-xL, p21, cyclin D1, cyclin B1, cdc-2, cyclin D4, and DNA-pk KU-80 subunit. RKS262 suppresses the phosphorylation of the IGF-1R/PI3K/PKC pathway, ras oncogene activity, and Cdk-6, while increasing total Akt expression. RKS262 induces G₂/M or S phase cell cycle arrest, disrupts mitochondrial transmembrane potential, and reduces tumor burden in xenograft models. RKS262 is used in research on neuroblastoma and ovarian cancer.