2. Natural Products
  3. Flavonoids
  4. Flavanols

Flavanols

Flavanols (42):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-N0898
    Catechin 154-23-4 99.57%
    Catechin ((+)-Catechin) inhibits cyclooxygenase-1 (COX-1) with an IC50 of 1.4 μM.
    Catechin
  • HY-N0001
    (-)-Epicatechin 490-46-0 99.00%
    (-)-Epicatechin inhibits cyclooxygenase-1 (COX-1) with an IC50 of 3.2 μM. (-)-Epicatechin inhibits the IL-1β-induced expression of iNOS by blocking the nuclear localization of the p65 subunit of NF-κB.
    (-)-Epicatechin
  • HY-N0225
    (-)-Epigallocatechin 970-74-1 99.66%
    (-)-Epigallocatechin (Epigallocatechin) is the most abundant flavonoid in green tea, can bind to unfolded native polypeptides and prevent conversion to amyloid fibrils.
    (-)-Epigallocatechin
  • HY-N1992
    Theaflavin 3,3'-digallate 30462-35-2 99.73%
    Theaflavin 3,3'-digallate (TF-3) is a potent Zika virus (ZIKV) protease inhibitor with an IC50 of 2.3 μM. Theaflavin 3,3'-digallat directly binds to ZIKVpro (Kd=8.86 μM) and inhibits ZIKV replication. Theaflavin 3,3'-digallat inhibits the activity of gp41 and NS2B-3 protease and has antiviral activity against HSV and HIV-1. Theaflavin 3,3'-digallate, the typical pigment in black tea, is a potent antitumor agent.
    Theaflavin 3,3'-digallate
  • HY-N0002
    (-)-Epicatechin gallate 1257-08-5 98.57%
    (-)-Epicatechin gallate (Epicatechin gallate) inhibits cyclooxygenase-1 (COX-1) with an IC50 of 7.5 μM.
    (-)-Epicatechin gallate
  • HY-N0356R
    (-)-Catechin gallate (Standard) 130405-40-2
    (-)-Catechin gallate (Standard) is the analytical standard of (-)-Catechin gallate. This product is intended for research and analytical applications. (-)-Catechin gallate is a minor constituent in green tea catechins. (-)-Catechin gallate inhibits the activity of COX-1 and COX-2 enzymes.
    (-)-Catechin gallate (Standard)
  • HY-N0243R
    Theaflavin (Standard) 4670-05-7
    Theaflavin (Standard) is the analytical standard of Theaflavin. This product is intended for research and analytical applications. Theaflavin is a suitable natural inhibitor against influenza A (H1N1) neuraminidase.
    Theaflavin (Standard)
  • HY-N0244R
    Theaflavin-3'-gallate (Standard) 28543-07-9
    Theaflavin-3'-gallate (Standard) is the analytical standard of Theaflavin-3'-gallate. This product is intended for research and analytical applications. Theaflavin-3'-gallate, a black tea theaflavin monomer, is regarded as the biologically important active component of black tea and provides health benefits. Theaflavin-3'-gallate acts as prooxidants and induces oxidative stress in the carcinoma cells. Theaflavin-3'-gallate reacts directly with reduced glutathione (GSH) in a time-and concentration-dependent manner.
    Theaflavin-3'-gallate (Standard)
  • HY-100583
    (-)-(S)-Equol 531-95-3 99.68%
    (-)-(S)-Equol is a high affinity ligand for estrogen receptor β with a Ki of 0.73 nM.
    (-)-(S)-Equol
  • HY-N0243
    Theaflavin 4670-05-7 99.69%
    Theaflavin is a suitable natural inhibitor against influenza A (H1N1) neuraminidase.
    Theaflavin
  • HY-119580
    Leucocyanidin 480-17-1 98.03%
    Leucocyanidin is an active anti-ulcerogenic ingredient was extracted from Litchi Chinensis. Leucocyanidin demonstrates a significant protective effect against Aspirin-induced erosions in rat models.
    Leucocyanidin
  • HY-N0522
    (-)-Gallocatechin gallate 4233-96-9 99.97%
    (-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.
    (-)-Gallocatechin gallate
  • HY-N2131
    Isosakuranetin 480-43-3 99.88%
    Isosakuranetin is a flavanone flavonoid which can be found in the fruit of Citrus bergamia. Isosakuranetin is a TRPM3 Blocker.
    Isosakuranetin
  • HY-N0898A
    (-)-Catechin 18829-70-4 98.78%
    (-)-Catechin is Catechin's one kind of different structure. Catechin inhibitory enzyme-1 (COX-1), IC50 为 1.4 μM. (-)-Catechin promotes hBM-MSC adipose cell differentiation, increases fat cell differentiation, and PPARγ level.
    (-)-Catechin
  • HY-N0244
    Theaflavin-3'-gallate 28543-07-9 98.68%
    Theaflavin-3'-gallate is a monomer of theaflavins found in black tea, which has anti-UVB damage activity and inhibits cell apoptosis and necroptosis. Theaflavin-3'-gallate acts as a pro-oxidant and induces oxidative stress in cancer cells, inhibiting xanthine oxidase (OX), with an IC50 of 7.6 μM.
    Theaflavin-3'-gallate
  • HY-N0521A
    (+)-Gallocatechin 970-73-0 99.96%
    (+)-Gallocatechin is a polyphenol compound from green tea, possesses anticancer activity.
    (+)-Gallocatechin
  • HY-N0245
    Theaflavin-3-gallate 30462-34-1 98.24%
    Theaflavin-3-gallate, a black tea theaflavin monomer, is regarded as the biologically important active component of black tea and provides health benefits. Theaflavin-3-gallate acts as prooxidants and induces oxidative stress in the carcinoma cells. Theaflavin-3-gallate reacts directly with reduced glutathione (GSH) in a time- and concentration-dependent manner.
    Theaflavin-3-gallate
  • HY-N2228
    (-)-Epigallocatechin-3-(3''-O-methyl) gallate 83104-87-4 99.83%
    (-)-Epigallocatechin-3-(3''-O-methyl) gallate ((-)-EGCG-3''-O-ME) is a natural product that can be isolated from the tea leaf, with strong antioxidative activity. (-)-Epigallocatechin-3-(3''-O-methyl) gallate has a strong cytotoxic activity for rat cancer cells.
    (-)-Epigallocatechin-3-(3''-O-methyl) gallate
  • HY-N0356
    (-)-Catechin gallate 130405-40-2 99.98%
    (-)-Catechin gallate is a minor constituent in green tea catechins. (-)-Catechin gallate inhibits the activity of COX-1 and COX-2 enzymes.
    (-)-Catechin gallate
  • HY-N0521
    (-)-Gallocatechin 3371-27-5 99.96%
    (-)-Gallocatechin, an epimer of (-)-Epigallocatechin (EGC), is contained in various tea products. (-)-Gallocatechin has antioxidant activities.
    (-)-Gallocatechin