Polyketide Standards

Olivetol (Standard) is the analytical standard of Olivetol. This product is intended for research and analytical applications. Olivetol is a naturally phenol found in lichens and produced by certain insects, acting as a competitive inhibitor of the cannabinoid receptors CB1 and CB2. Olivetol also inhibits CYP2C19 and CYP2D6 activity, with IC50s of 15.3 μM, 7.21 μM and Kis of 2.71 μM, 2.87 μM, respectively.

Rhamnetin (Standard) is the analytical standard of Rhamnetin. This product is intended for research and analytical applications. Rhamnetin is a quercetin derivative found in Coriandrum sativum, inhibits secretory phospholipase A2 and histone deacetylase 2 (HDAC2). Rhamnetin exhibits antitumor, antioxidant and anti-inflammatory activity.

Quercetagetin (Standard) is the analytical standard of Quercetagetin. This product is intended for research and analytical applications. Quercetagetin (6-Hydroxyquercetin) is a flavonoid. Quercetagetin is a moderately potent and selective, cell-permeable pim-1 kinase inhibitor (IC50, 0.34 μM). Anti-inflammatory and anticancer properties.

Isorhoifolin (Standard) is the analytical standard of Isorhoifolin. This product is intended for research and analytical applications. Isorhoifolin is a flavonoid glycoside from Hemistepta lyrata. Isorhoifolin displays an anti-leakage effect.

Isoxanthohumol (Standard) is the analytical standard of Isoxanthohumol (HY-N2584A). This product is intended for research and analytical applications. Isoxanthohumol is an orally active flavonoid compound. Isoxanthohumol has biological activities such as anti-tumor, anti-inflammatory, antioxidant, antiviral, antifungal, and inhibition of adipogenesis. Isoxanthohumol can induce apoptosis, autophagy, and migration of tumor cells. Isoxanthohumol is active against viruses such as HSV, BVDV, CMV, and Rhino. Isoxanthohumol can be used for the research of tumors, metabolic, and inflammatory diseases.

Sciadopitysin (Standard) is the analytical standard of Sciadopitysin. This product is intended for research and analytical applications. Sciadopitysin is a type of biflavonoids in leaves from ginkgo biloba. Sciadopitysi inhibits RANKL-induced osteoclastogenesis and bone loss by inhibiting NF-κB activation and reducing the expression of c-Fos and NFATc1.

Oxyresveratrol (Standard) is the analytical standard of Oxyresveratrol. This product is intended for research and analytical applications. Oxyresveratrol (trans-Oxyresveratrol) is a potent naturally occurring antioxidant and free radical scavenger (IC50 of 28.9 μM against DPPH free radicals). Oxyresveratrol is potent and noncompetitive tyrosinase inhibitor with an IC50 value of 1.2 μM for mushroom tyrosinase. Oxyresveratrol is effective against HSV-1, HSV-2 and varicella-zoster virus, and has neuroprotective effects.

Robinin (Standard) is the analytical standard of Robinin. This product is intended for research and analytical applications. Robinin is a flavonoid that can be extracted from the leaves of purple cowpea, inhibiting TGF-β, TLR4/NF-κB and TLR2-PI3k-AKT signaling pathways. Robinin exerts anti-inflammatory and anti-tumor effects. The combination of Robinin and Methotrexate (HY-14519) reduces inflammation in experimental arthritis, Robinin can decrease the Doxorubicin (HY-15142A) induced cardiac toxicity effect.

Tamarixetin (Standard) is the analytical standard of Tamarixetin. This product is intended for research and analytical applications. Tamarixetin (4'-O-Methyl Quercetin) is an orally active natural flavonoid derivative of quercetin and caseinolytic protease p (ClpP) inhibitor with anti-inflammatory, antioxidant and antitumor effects. Tamarixetin inhibits the hydrolytic activity of ClpP to the fluorescent substrate Suc-LY-AMC with an IC₅₀ of 49.73 μM, which can be used for the study of Staphylococcus aureus infection. Tamarixetin inhibits tumor cell growth, induces apoptosis, and cell cycle arrest. Tamarixetin prevents cardiac hypertrophy by inhibiting the NFAT and AKT pathways.

Isovitexin (Standard) is the analytical standard of Isovitexin. This product is intended for research and analytical applications. Isovitexin is a flavonoid isolated from passion flower, Cannabis and, and the palm, possesses anti-inflammatory and anti-oxidant activities; Isovitexin acts like a JNK1/2 inhibitor and inhibits the activation of NF-κB.

Oxytetracycline (Standard) is the analytical standard of Oxytetracycline. This product is intended for research and analytical applications. Oxytetracycline is an antibiotic belonging to the tetracycline class. Oxytetracycline potent inhibits Gram-negative and Gram-positive bacteria. Oxytetracycline is a protein synthesis inhibitor and prevents the binding from aminoacil-tRNA to the complex m-ribosomal RNA. Oxytetracycline also possesses anti-HSV-1 activity.

Kaempferol 3-neohesperidoside (Kaempferol 3-O-neohesperidoside) Standard is the analytical standard of Kaempferol 3-neohesperidoside (HY-107207). This product is intended for research and analytical applications. Kaempferol 3-neohesperidoside (Kaempferol 3-O-neohesperidoside) is a flavonoid. Kaempferol 3-neohesperidoside mimics insulin action via the PI3K/PKC pathway, significantly promoting glucose uptake and increasing muscle glycogen content in rat soleus muscles. Kaempferol 3-neohesperidoside also exhibits anti-glycation activity. Kaempferol 3-neohesperidoside binds to albumin through hydrogen bonding and hydrophobic interactions, and inhibits the formation of advanced glycation end products. Kaempferol 3-neohesperidoside can be used in studies of diabetes and its related complications.

Spiramycin I (Standard) is the analytical standard of Spiramycin I. This product is intended for research and analytical applications. Spiramycin I is a macrolide antibiotic and antiparasitic.