Rapacuronium Bromide
Title: Rapacuronium Bromide
CAS Registry Number: 156137-99-4
CAS Name: 1-[(2b,3a,5a,16b,17b)-3-(Acetyloxy)-17-(1-oxopropoxy)-2-(1-piperidinyl)androstan-16-yl]-1-(2-propenyl)piperidinium bromide
Additional Names: 1-allyl-2-(3a,17b-dihydroxy-2b-piperidino-5a-androstan-16b-yl)piperidinium bromide 3-acetate 17-propionate
Manufacturers' Codes: Org-9487
Trademarks: Raplon (Organon)
Molecular Formula: C37H61N2O4.Br
Molecular Weight: 677.80
Percent Composition: C 65.56%, H 9.07%, N 4.13%, O 9.44%, Br 11.79%
Literature References: Aminosteroid, competitive neuromuscular blocker. Prepn: T. Sleigh et al., CA 2094457; eidem, US 5418226 (both to Akzo). Clinical pharmacodynamics: P. M. C. Wright et al., Anesthesiology 90, 16 (1999). Clinical trial in pediatric patients: R. F. Kaplan et al., Anesth. Analg. 89, 1172 (1999). Review of pharmacology and use in endotracheal intubation: S. V. Onrust, R. H. Foster, Drugs 58, 887-918 (1999).
Properties: Crystals from diethyl ether-acetone, mp 184°. [a]20D -12.7° (c = 1.01 in CHCl3).
Melting point: mp 184°
Optical Rotation: [a]20D -12.7° (c = 1.01 in CHCl3)
Therap-Cat: Neuromuscular blocking agent.
Keywords: Neuromuscular Blocking Agent; Nondepolarizing Agents.

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