Also available in 1 g, 1 mL, 10 mg, 25 mg, 50 mg, 200 mg, 500 mg and bulk. Please contact Fisher for quotes. Succinylcholine Chloride Dihydrate (Succinyldicholine dichloride) is a nicotinic AChR agonist and also acts as a depolarizing neuromuscular blocker. Purity 99.91%