Pipecuronium bromide

Pipecuronium (Arduan) is a bisquaternary aminosteroid muscle relaxant[1] which blocks nicotinic acetylcholine receptors[2] at the neuromuscular junction. It is also an antagonist of M2 and M3 muscarinic receptors[3] and is the most potent neuromuscular blocking agent of the aminosteroid class.

Pipecuronium bromide

Clinical data
AHFS/Drugs.com	International Drug Names
ATC code	M03AC06 (WHO)
Identifiers
IUPAC name (2β,3α,5α,16β,17β)-3,17-bis(acetyloxy)-2,16-bis(4,4-dimethylpiperazin-4-ium-1-yl)androstane dibromide
CAS Number	52212-02-9 N 68399-58-6
PubChem CID	65332
ChemSpider	58815 Y
UNII	R6ZTY81RE1
KEGG	D00764 Y
ChEMBL	ChEMBL1200722 N
CompTox Dashboard (EPA)	DTXSID8023478
ECHA InfoCard	100.052.475
Chemical and physical data
Formula	C35H62Br2N4O4
Molar mass	762.699 g/mol g·mol−1
3D model (JSmol)	Interactive image
SMILES [Br-].[Br-].O=C(O[C@H]6[C@@H](N1CC[N+](C)(C)CC1)C[C@@H]5[C@]6(C)CC[C@H]3[C@H]5CC[C@H]4C[C@H](OC(=O)C)[C@@H](N2CC[N+](CC2)(C)C)C[C@]34C)C
InChI InChI=1S/C35H62N4O4.2BrH/c1-24(40)42-32-21-26-9-10-27-28(35(26,4)23-31(32)37-15-19-39(7,8)20-16-37)11-12-34(3)29(27)22-30(33(34)43-25(2)41)36-13-17-38(5,6)18-14-36;;/h26-33H,9-23H2,1-8H3;2*1H/q+2;;/p-2/t26-,27+,28-,29-,30-,31-,32-,33-,34-,35-;;/m0../s1 Y Key:TXWBOBJCRVVBJF-YTGGZNJNSA-L Y
NY (what is this?)  (verify)

It is sold under the trade names Arduan and Pycuron. [4]