Wikipedia entry on okadaic acid.

Stock Solution

Okadaic acid ammonium salt from Prorocentrum concavum

MW 822.03, CAS Number: 155716-06-6

To make 10 uM (micromolar) stock: 10 ug in 1.216 ml of 0.15% NaCl

To get 100 nM (nanomolar) concentration for injection: 1 ul of 10 uM + 99 ul of 0.15% NaCl

Okadaic Acid