Beta-Lapachone

SKU:BHB11900367
Suppliers
StressMarq Biosciences Inc.
StressMarq Biosciences Inc.
Details Products
Overview
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Beta-Lapachone is a research-grade small-molecule inhibitor of DNA topoisomerase I supporting Cell Signaling and Epigenetics and Nuclear Signaling research. Supplied as a orange powder with >98% purity (CAS 4707-32-8, MW 242.3) dissolvable in DMSO; store at -20°C. For research use only.
Cas No. 4707-32-8
Molecular Formula C15H14O3
Purity >98% (HPLC); NMR (Conforms)
Application Notes DNA topoisomerase I inhibitor
Options selector
Catalog no. Size
SIH-589-5MG 5 mg
SIH-589-25MG 25 mg
Available Options

Select the variant that best fits your experiment. Availability and lead time may vary by option.

  • Options: Size (2) — 25 mg, 5 mg.
  • Lead time: options listed as “in stock at manufacturer” typically ship in 2-3 business days; other statuses may take longer.
  • Storage: -20ºC
  • Shipping: ships at ambient temperature.
  • Upon receipt: store at the recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Mfr No SIH-589
Activity
  • Inhibitor
Alternative Names 3,4-Dihydro-2,2-dimethyl-2H-naphtho[1,2-b]pyran-5,6-dione; NSC-26326
Cas No. 4707-32-8
Form Orange powder
Molecular Weight 242.3
Product Type
  • Biochemicals
  • Small Molecules
Purity >98% (HPLC); NMR (Conforms)
Shipping Shipped Ambient
SMILES CC1(CCC2=C(O1)C3=CC=CC=C3C(=O)C2=O)C
Solubility May be dissolved in DMSO (35 mg/ml); or Ethanol (15 mg/ml)
Source Synthetic
Storage -20ºC

β-Lapachone is a naturally derived quinone with potent anti-cancer and redox-modulating properties. It selectively targets cells overexpressing NAD(P)H:quinone oxidoreductase 1 (NQO1), leading to reactive oxygen species (ROS) generation and apoptosis.

In neuroscience, β-Lapachone has shown promise in reducing cognitive impairment and neuroinflammation in amyloid-induced models. Its ability to modulate oxidative stress and suppress NF-κB activation positions it as a potential neuroprotective agent in Alzheimer’s disease and other oxidative stress-related neurodegenerative conditions.

Details:

May be harmful by inhalation, ingestion, or skin absorption. May cause eye, skin, or respiratory system irritation.

Beta-Lapachone (StressMarq Biosciences Inc., Victoria BC CANADA, Catalog # SIH-589)

Need this compound in a format that drops straight into your assay? We can tailor formulation, chemistry, and documentation so your results stay consistent across runs and re-orders.

  • Format options: solid or pre-dissolved solution (choose solvent), target concentration, aliquots, light/moisture-protected packaging
  • Chemistry options: free base/acid vs salt forms, hydrate/solvate preference, stereoisomer control (single enantiomer or racemate), close analogs
  • Add-on labels & handles: D/¹³C/¹⁵N isotopes (LC-MS/internal standards), azide/alkyne or other functional handles for conjugation
  • QC & documentation: standard COA or enhanced analytical pack (HPLC/LC-MS/NMR), chiral purity, residual solvents, water content (KF), method-specific specs
  • Scale & continuity: mg to gram scale, bulk pricing, lot reservation, repeat-order continuity

To quote quickly, tell us: compound name + CAS/structure (SMILES or mol file), intended assay context, solvent preference, salt/stereochemistry requirements, purity/QC level, and the amount (mg–g).

Can’t find the compound you’re looking for?
Send the CAS or structure and your specs. We can help source it, suggest close equivalents, or discuss custom synthesis with the right QC documentation (RUO).

1. CJ Li et al. J. Biol. Chem. 1993 268:22463
2. SM Wuerzberger et al. Cancer Res. 1998 58:1876
3. JJ Pink et al. J. Biol. Chem. 2000 275:5416
4. D Siegel et al. Biochem. Pharmacol. 2012 83:1033
5. GZ Dong et al. Exp. Mol. Med. 2010 42:327

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