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Cantharidin (CAS 56-25-7)

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Application:A toxic herbicidal potent inhibitor of PP2A phosphatase activity
CAS Number:56-25-7
Molecular Weight:196.20
Molecular Formula:C10H12O4
Refer to Certificate of Analysis for lot specific data (including water content).
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 Ordering Information
Product NameCatalog #UnitPriceQtyAddFavorites
Cantharidin sc-201321 25 mg $57
Cantharidin sc-201321A 100 mg $178
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
Cantharidin is a potent small molecule inhibitor of PP2A (protein phosphatase 2A), used as an herbicide and a known toxin to animals. Cantharidin shows strong inhibition of PP2A (IC50=40 nM) compared to the analog Endothall (sc-201325), with Cantharidin displaying near complete inhibition of phosphatase activity.
Technical Information
Physical State:Solid
Solubility:Soluble in DMSO (25 mg/ml warm), acetone (8 mg/ml), ethanol (8 mg/ml warm), chloroform (1:65), ether (1:560), and ethyl acetate (1:150).
Storage:Store at room temperature
Melting Point:215-217° C
Boiling Point:326.87° C at 760 mmHg
Density:1.36 g/cm3
Refractive Index:n20D 1.55
IC50:protein phosphatase 2A: IC50 = 40 nM; protein phosphatase 1: IC50 = 473 nM
Safety and Reference Information
Transport:UN 2811, Class 6.1, Packing group I
WGK Germany:3
PubChem CID:5944
Merck Index:14: 1752
MDL Number:MFCD00134968
EC Number:200-263-3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

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1. Li, Y.M. and Casida, J.E. 1992. Proc. Natl. Acad. Sci. U.S.A. 89: 11867-11870. PMID: 1334551
2. Li, Y.M., et al. 1993. Biochem. Pharmacol. 46: 1435-1443. PMID: 8240393
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