Also available in 1 mg, 10 mg, 25 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. Pseudocoptisine chloride (Isocoptisine chloride) is isolated from Corydalis Tuber with anti-inflammatory and anti-amnestic properties. Pseudocoptisine chloride inhibits acetylcholinesterase (AChE) activity (IC50 = 12.8 uM). Purity 98.17%