Blog Date 29 March, 2023

Atracurium besilate

Cat. No. : - A890000

CAS. No. : - 64228-81-5

Atracurium besilate, also known as atracurium besylate, Atracurium besylate is the bisbenzenesulfonate salt of atracurium. It has a role as a nicotinic antagonist and a muscle relaxant. It is a quaternary ammonium salt and an organosulfonate salt. It contains an atracurium.

Atracurium besilate, 2,2'-(3,11-dioxo-4,10-dioxatridecylene)-bis-[6,7-dimethoxy-1-(3,4-dimethoxy-benzyl)-2-methyl-1,2,3,4-tetrahydroisoquinolinium] dibenzenesulphonate, is one of a new series of competitive neuromuscular blocking agents.

Atracurium besilate, is indicated, as an adjunct to general anesthesia, to facilitate endotra-cheal intubation and to provide skeletal muscle relaxation during surgery or mechanical ventilation.

Atracurium besilate acts as a non-depolarizing neuromuscular blocking agent, with short to intermediary duration of action and no significant cardiovascular effects. Not dependent on kidney function for elimination, it provides clinical advantages over other non-depolarizing, neuromuscular blocking agents.

Mechanism of action

Atracurium antagonizes the neurotransmitter action of acetylcholine by binding competitively with cholinergic receptor sites on the motor end-plate. This antagonism is inhibited, and neuromuscular block reversed, by acetylcholinesterase inhibitors such as neostigmine, edrophonium, and pyridostigmine.

 Some of the known and unknown impurities of Atracurium Besylate are listed below:

Product Name

Cas No.

Atracurium Besylate



Cisatracurium Besylate


Cisatracurium-Quaternary Acid Benzene Sulfonate




Cisatracurium- Quaternary methyl ester


Atracurium Impurity C1



Atracurium Besylate EP Impurity B


Cisatracurium Besilate EP Impurity S Iodide


To enquire for many more impurities of Atracurium Besylate follow the link given below:

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