Rocuronium Bromide

**Semantic type:** Pharmacologic Substance

**Definition:** The bromide salt form of rocuronium, an intermediate-acting quaternary aminosteroid with muscle relaxant property. Rocuronium bromide competitively binds to the nicotinic receptor at the motor end plate, and antagonizes acetylcholine binding, which results in skeletal muscle relaxation and paralysis.

**Synonyms:** - ORG 9426 - Pyrrolidinium, 1-((2beta,3alpha,5alpha,16beta,17beta)-17-(acetyloxy)-3-hydroxy-2-(4-morpholinyl)androstan-16-yl)-1-(2-propenyl)-, Bromide - ROCURONIUM BROMIDE - Zemuron