• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
Flavokawain B

Flavokawain B

Product ID F4503
Cas No. 1775-97-9
Purity ≥97%
Product Unit SizeCostQuantityStock
5 mg $280.00 In stock
10 mg $433.00 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

Flavokawain B is a chalcone kavalactone originally found in Piper methysticum (kava plant). Flavokawain B exhibits hepatotoxic and anti-inflammatory activities. This compound inhibits degradation of IκBα and activation of NF-κB.

Product Info

Cas No.

1775-97-9

Purity

≥97%

Formula

C17H16O4

Formula Wt.

284.31

IUPAC Name

(E)-1-(2-hydroxy-4,6-dimethoxyphenyl)-3-phenylprop-2-en-1-one

Melting Point

85-87°C

Solubility

DMSO to 35 mM. Insoluble in water. Soluble in methanol.

Appearance

Orange/Yellow crystalline powder

Shipping and Storage

Store Temp

-20°C

Ship Temp

Ambient

Downloads

MSDS

F4503 MSDS PDF

Info Sheet

F4503 Info Sheet PDF

References

Teschke R, Qiu SX, Lebot V. Herbal hepatotoxicity by kava: update on pipermethystine, flavokavain B, and mould hepatotoxins as primarily assumed culprits. Dig Liver Dis. 2011 Sep;43(9):676-81. PMID: 21377431.

Folmer F, Blasius R, Morceau F, et al. Inhibition of TNFalpha-induced activation of nuclear factor kappaB by kava (Piper methysticum) derivatives. Biochem Pharmacol. 2006 Apr 14;71(8):1206-18. PMID: 16464438.

Sakai T, Eskander RN, Guo Y, et al. Flavokawain B, a kava chalcone, induces apoptosis in synovial sarcoma cell lines. J Orthop Res. 2012 Jul;30(7):1045-1050. PMID: 22213202.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • Z1602

    Zearalenone

    Mycotoxin produced by Fusarium; ER agonist.

    ≥98%
  • M0009

    Macitentan

    ET-A/B antagonist.

    ≥99%
  • A5314

    Dehydroandrographolide

    Labdane diterpene found in Andrographis.

    ≥98%
  • P1755

    Pentoxifylline

    Xanthine derivative; adenosine A2 antagonist, P...

    ≥98%
  • H1648

    Hemorphin-7

    Endogenous opioid peptide derived from the β-c...

    ≥95%
  • G8225

    Guggulsterone

    Steroid found in myrrh; FXR antagonist.

    ≥98%
  • P0268

    Parasin I

    Histone H2-derived antimicrobial peptide found ...

    ≥95%
  • C179604

    CEP-28122 Mesylate

    ALK inhibitor.

    ≥98%
  • A3208

    AICAR

    AMPK activator.

    ≥98%
  • N3225

    Nigericin Sodium

    Polyether cationic ionophore.

    ≥98%
  • A5225

    α-ANP (1-28), human

    Endogenous cardiomodulatory peptide; NPR-A agon...

    ≥95%
  • X4400

    XL-228

    Abl (T315I) inhibitor.

    ≥98%
  • E537335

    Enniatin B1

    Mycotoxin contaminant found in cereal grains.

    ≥98%
  • G7200

    GS-967

    Na+ channel blocker.

    ≥98%
  • P2012

    PF-04217903

    Triazolopyrazine; c-MET inhibitor.

    ≥98%
  • D5690

    Doxazosin Mesylate

    Quinazoline; α1-adrenergic antagonist.

    ≥98%
  • O610292

    Ophiobolin B

    Naturally occurring sesteterpenoid.

    ≥98%
  • W2933

    WHI-P131

    JAK3 and EGFR inhibitor.

    ≥99%
  • C8502

    CV-70

    1,8-Diaza-anthracene-tetrone; JNK and ERK5 inhi...

    ≥70%
  • E5219

    Endothelin-1, human

    Endogenous peptide involved in vascular contrac...

    ≥95%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2026 LKT Laboratories, All Rights Reserved - Products for research use only