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Cantharidic Acid (CAS 28874-45-5)

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Synonym:2,3-Dimethyl-7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid
Application:A potent and selective inhibitor of PP2A and PP1
CAS Number:28874-45-5
Molecular Weight:214.21
Molecular Formula:C10H14O5
Refer to Certificate of Analysis for lot specific data (including water content).
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Product NameCatalog #UnitPriceQtyAddFavorites
Cantharidic Acid sc-201323 10 mg $60
Cantharidic Acid sc-201323A 50 mg $240
Cantharidic acid, an analog of cantharidin (CA), is a potent and selective inhibitor of PP2 (protein phosphatase (PP2A) and PP1 (protein phosphatase 1). PP2A regulates phosphorylation-dephosphorylation events and is found in plants and mammalian tissues. Studies show that it can cause biochemical changes in the mouse liver. Both okadaic acid (sc-3513), also a PP2A inhibitor, and cantharidic acid have been demonstrated to elevate levels of microtubule-bound phospho-53 in the breast cancer cell line, MCF7. Cantharidic acid does not inhibit PP2B or PP2C.
Technical Information
Physical State:Solid
Solubility:Soluble in DMSO (25 mg/ml), and ethanol (10 mg/ml warm). Partly miscible in water.
Storage:Store at room temperature
Melting Point:216-218° C
Boiling Point:407.76° C at 760 mmHg
Density:1.36 g/cm3
Refractive Index:n20D 1.53
IC50:PP2A: IC50 = 53 nM; PP1: IC50 = 0.56 µM
pK Values:pKa: 3.70
Safety and Reference Information
WGK Germany:3
PubChem CID:121475
MDL Number:MFCD00047137
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Cantharidic Acid Product Reviews

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1. Graziano, M.J. and Casida, J.E. 1987. Toxicol. Lett. 37: 143-148. PMID: 2955551
2. Li, Y.M. and Casida, J.E. 1992. Proc. Natl. Acad. Sci. U.S.A. 89: 11867-11870. PMID: 1334551
3. Li, Y.M., et al. 1993. Biochem. Pharmacol. 46: 1435-1443. PMID: 8240393
4. Béghin, A., et al. 2008. Cell Cycle. 7: 3074-3082. PMID: 18818514
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