Also available in 1 mL, 10 mg, 25 mg, 50 mg, 200 mg, 500 mg and bulk. Please contact Fisher for quotes. Atracurium besylate (51W89) is a non-depolarizing neuromuscular blocking agent with short duration of action. Its lack of significant cardiovascular effects and its lack of dependence on good kidney function for elimination provide clinical advantage over alternate non-depolarizing neuromuscular blocking agents. Purity 99.71%