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  • 459616 - Okadaic Acid, Ammonium Salt - CAS 155716-06-6 - Calbiochem

459616 Sigma-Aldrich

Okadaic Acid, Ammonium Salt - CAS 155716-06-6 - Calbiochem

Water-soluble analog of Okadaic Acid. Inhibits protein phosphatases 1 and 2A.

Synonym: Okadaic Acid, Ammonium Salt - CAS 155716-06-6 - Calbiochem

  • CAS Number 155716-06-6

  • Empirical Formula (Hill Notation) C44H67O13 · NH4

  • Molecular Weight 822.03

  •  MDL number MFCD00153856



Quality Level   100
assay   ≥98% (TLC)
form   solid
mfr. no.   Calbiochem®
storage condition   OK to freeze
  protect from light
storage conditions   -20C
color   white
solubility   water: 1 mg/mL
  DMSO: 20 mg/mL
  ethanol: 20 mg/mL
shipped in   ambient


General description

Water-soluble analog of Okadaic Acid (Cat. No. 495604). Inhibits protein phosphatases 1 and 2A.


25 μg in Alu drum

Biochem/physiol Actions

Cell permeable: no

Primary Target

Product does not compete with ATP.

Reversible: no


Toxicity: Toxic (F)

Other Notes

Due to the nature of the Hazardous Materials in this shipment, additional shipping charges may be applied to your order. Certain sizes may be exempt from the additional hazardous materials shipping charges. Please contact your local sales office for more information regarding these charges.

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Ohaka, Y., et al. 1993. Biochem. Biophys. Res. Commun.197, 916.
Gopalakrishna, R., et al. 1992. Biochem. Biophys. Res. Commun.189, 950.
Kreienbuhl, P., et al. 1992. Blood80, 2911.
Normura, M., et al. 1992. Biochemistry31, 11915.
Song, Q., et al. 1992. J. Cell Physiol.153, 550.
Tada, T., et al. 1992. Immunopharmacol.24, 17.
Cohen, P., et al. 1990. Trends Biochem. Sci.15, 98.
Cohen, P., et al. 1989. Annu. Rev. Biochem.58, 453.
Cohen, P., and Cohen, P.T.W. 1989. J. Biol. Chem.264, 21435.
Haystead, T.A.J., et al. 1989. Nature337, 78.

Safety & Documentation

Safety Information

GHS06  GHS06
Signal word 
Hazard statements 
Protocols & Articles
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