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Licoflavone B

Chemical Structure : Licoflavone B

CAS No.: 91433-17-9

Licoflavone B

Catalog No.: PC-25607Not For Human Use, Lab Use Only.

Licoflavone B is an isoprene flavonoid derived from licorice residue and potent anti-influenza agent, selectively targets the viral RNA-dependent RNA polymerase (RdRp) with IC50 of 9.9 uM, effectively suppressing viral replication, also exerts anti-ulcerative colitis (UC) activity through blocking the MAPK pathway.

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Purity & Documentation Purity: >98% (HPLC) Select Batch:

Biological Activity

Licoflavone B is an isoprene flavonoid derived from licorice residue and potent anti-influenza agent, selectively targets the viral RNA-dependent RNA polymerase (RdRp) with IC50 of 9.9 uM, effectively suppressing viral replication, also exerts anti-ulcerative colitis (UC) activity through blocking the MAPK pathway.
Licoflavone B demonstrates significant antiviral activity of licoflavone B against the influenza virus with IC50 of 6.7 uM against A/Puerto Rico/8/34 (H1N1).
Licoflavone B has a stable inhibitory effect against A/Puerto Rico/8/34 (H1N1) at 24, 48, and 72 hpi, with IC50 values of 5.4, 12.1, and 12.4 μM, respectively.
Licoflavone B shows broad inhibitory activity against A/Puerto Rico/8/34 (H1N1), followed by A/Darwin/9/2021 (H3N2).

Physicochemical Properties

M.Wt 390.48
Formula C25H26O4
Appearance Solid
CAS No.
Storage
Solide Powder
-20°C 12 Months; 4°C 6 Months
In Solvent
-80°C 6 Months; -20°C 6 Months
Shipping
Solubility

10 mM in DMSO

Chemical Name/SMILES

7-Hydroxy-2-(4-hydroxy-3-(3-methylbut-2-en-1-yl)phenyl)-6-(3-methylbut-2-en-1-yl)-4H-chromen-4-one

References

1. Zhang J, et al. Eur J Pharmacol. 2022 Feb 5;916:174730.

2. Fan P, et al. Viruses. 2025 Aug 24;17(9):1157.

3. Grienke U, et al. J Nat Prod. 2014 Mar 28;77(3):563-70.

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