Date published: 2026-7-6

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2,2′-Bi(3-hydroxy-1,4-naphthoquinone) (CAS 33440-64-1)

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Alternate Names:
1,1′-dihydroxy-2,2′-binaphthalene-3,3′,4,4′-tetrone; Bilawsone
CAS Number:
33440-64-1
Molecular Weight:
346.29
Molecular Formula:
C20H10O6
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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2,2′-Bi(3-hydroxy-1,4-naphthoquinone), found in plants, possesses natural antioxidant and anti-inflammatory properties, while biotin is an essential vitamin for metabolic processes. This compound′s structure, incorporating two naphthoquinone moieties, makes it a point of interest for investigating redox reactions and its interactions within various chemical environments. 2,2′-Bi(3-hydroxy-1,4-naphthoquinone) finds application in scientific research, facilitating the examination of cellular response to oxidative stress, studying the impact of inflammation, and assessing the effects of environmental pollutants.


2,2′-Bi(3-hydroxy-1,4-naphthoquinone) (CAS 33440-64-1) References

  1. Metal-complex assemblies constructed from the flexible hinge-like ligand H2bhnq: structural versatility and dynamic behavior in the solid state.  |  Yamada, K., et al. 2004. Chemistry. 10: 2647-60. PMID: 15195296
  2. Dimensionality control of vapochromic hydrogen-bonded proton-transfer assemblies composed of a bis(hydrazone)iron(II) complex.  |  Chang, M., et al. 2011. Inorg Chem. 50: 8308-17. PMID: 21800867
  3. Lipophilic Ga Complex with Broad-Spectrum Antimicrobial Activity and the Ability to Overcome Gallium Resistance in both Pseudomonas aeruginosa and Staphylococcus aureus.  |  Wang, Z., et al. 2021. J Med Chem. 64: 9381-9388. PMID: 34137262
  4. Solvent control on the structural versatility and properties of manganese (II) complexes surrounded by the flexible hinge-like ligand  |  Ishikawa, R., Yamada, K., Yamauchi, S., Miyamoto, R., & Kawata, S. 2010. Inorganic Chemistry Communications. 13(5): 636-640.
  5. Conformational isomerism and hydrogen-bonded motifs of anion assisted supramolecular self-assemblies using CuII/CoII salts and pyridine-4-acetamide  |  Ma, Z., Han, S., Kravtsov, V. C., & Moulton, B. 2010. Inorganica Chimica Acta. 363(2): 387-394.
  6. MOF with hydroxynaphthoquinone as organic linker: Molecular structure of [Zn(Chlorolawsone)2(H2O)2] and thermogravimetric studies  |  Salunke-Gawali, S., Kathawate, L., & Puranik, V. G. 2012. Journal of Molecular Structure. 1022: 189-196.
  7. Metal complexes of hydroxynaphthoquinones: Lawsone, bis-lawsone, lapachol, plumbagin and juglone  |  Salunke-Gawali, S., Pereira, E., Dar, U. A., & Bhand, S. 2017. Journal of Molecular Structure. 1148: 435-458.
  8. Crystal structures of organic salts of chloranilic acid and 2, 2′-bi (3-hydroxy-1, 4-naphthoquinone) acting as proton donors to 4, 4′-Bipyridine and 1, 4-Diazabicyclo [2.2. 2] octane: 3D networks with bifurcated N+-H··· O−/O or N+-H··· O/Cl synthons  |  Sosa-Rivadeneyra, M. V., Vasquez-Ríos, M. G., Vargas-Olvera, E. C., Mendoza, M. E., Varela-Caselis, J. L., Meza-León, R. L.,.. & Höpfl, H. 2020. Journal of Molecular Structure. 1205: 127609.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

2,2′-Bi(3-hydroxy-1,4-naphthoquinone), 1 g

sc-225571
1 g
$500.00