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2D Structure
Also known as: Mivacurium cation, Mivacurium chloride, Mivacron, Bw-b109ou, 133814-19-4, Bw b109ou
Molecular Formula
C58H80N2O14+2
Molecular Weight
1029.3  g/mol
InChI Key
ILVYCEVXHALBSC-OTBYEXOQSA-N

An isoquinoline derivative that is used as a short-acting non-depolarizing agent.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
bis[3-[(1R)-6,7-dimethoxy-2-methyl-1-[(3,4,5-trimethoxyphenyl)methyl]-3,4-dihydro-1H-isoquinolin-2-ium-2-yl]propyl] (E)-oct-4-enedioate
2.1.2 InChI
InChI=1S/C58H80N2O14/c1-59(25-21-41-35-47(63-3)49(65-5)37-43(41)45(59)29-39-31-51(67-7)57(71-11)52(32-39)68-8)23-17-27-73-55(61)19-15-13-14-16-20-56(62)74-28-18-24-60(2)26-22-42-36-48(64-4)50(66-6)38-44(42)46(60)30-40-33-53(69-9)58(72-12)54(34-40)70-10/h13-14,31-38,45-46H,15-30H2,1-12H3/q+2/b14-13+/t45-,46-,59?,60?/m1/s1
2.1.3 InChI Key
ILVYCEVXHALBSC-OTBYEXOQSA-N
2.1.4 Canonical SMILES
C[N+]1(CCC2=CC(=C(C=C2C1CC3=CC(=C(C(=C3)OC)OC)OC)OC)OC)CCCOC(=O)CCC=CCCC(=O)OCCC[N+]4(CCC5=CC(=C(C=C5C4CC6=CC(=C(C(=C6)OC)OC)OC)OC)OC)C
2.1.5 Isomeric SMILES
C[N+]1(CCC2=CC(=C(C=C2[C@H]1CC3=CC(=C(C(=C3)OC)OC)OC)OC)OC)CCCOC(=O)CC/C=C/CCC(=O)OCCC[N+]4(CCC5=CC(=C(C=C5[C@H]4CC6=CC(=C(C(=C6)OC)OC)OC)OC)OC)C
2.2 Synonyms
2.2.1 MeSH Synonyms

1. Bw B 1090u

2. Bw B1090u

3. Bw-b 1090u

4. Bw-b-1090u

5. Bw-b1090u

6. Bwb 1090u

7. Bwb1090u

8. Mivacron

9. Mivacurium Chloride

2.2.2 Depositor-Supplied Synonyms

1. Mivacurium Cation

2. Mivacurium Chloride

3. Mivacron

4. Bw-b109ou

5. 133814-19-4

6. Bw B109ou

7. Bis[3-[(1r)-6,7-dimethoxy-2-methyl-1-[(3,4,5-trimethoxyphenyl)methyl]-3,4-dihydro-1h-isoquinolin-2-ium-2-yl]propyl] (e)-oct-4-enedioate

8. 106791-40-6

9. Chebi:6958

10. Bwb109ou

11. (1r)-2-(3-{[(4e)-8-{3-[(1r)-6,7-dimethoxy-2-methyl-1-[(3,4,5-trimethoxyphenyl)methyl]-1,2,3,4-tetrahydroisoquinolin-2-ium-2-yl]propoxy}-8-oxooct-4-enoyl]oxy}propyl)-6,7-dimethoxy-2-methyl-1-[(3,4,5-trimethoxyphenyl)methyl]-1,2,3,4-tetrahydroisoquinolin-2-ium

12. Ncgc00167469-01

13. Mivacurium Ion

14. Unii-77d66s9q93

15. Ncgc00183094-01

16. Dsstox_cid_28308

17. Dsstox_rid_82751

18. Dsstox_gsid_48333

19. Gtpl7243

20. Chembl1182833

21. Dtxsid6048333

22. Schembl10014476

23. Schembl10666872

24. Tox21_112909

25. 77d66s9q93

26. Db01226

27. Ncgc00167469-02

28. Cas-133814-19-4

29. C07550

30. 791m406

31. Q413877

32. Isoquinolinium, 2,2'-((1,8-dioxo-4-octene-1,8-diyl)bis(oxy-3,1-propanediyl))bis(1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-((3,4,5-trimethoxyphenyl)methyl)-, (1r-(1r*(e(1'r*))))-

2.3 Create Date
2005-06-24
3 Chemical and Physical Properties
Molecular Weight 1029.3 g/mol
Molecular Formula C58H80N2O14+2
XLogP38.7
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count14
Rotatable Bond Count30
Exact Mass1028.56095523 g/mol
Monoisotopic Mass1028.56095523 g/mol
Topological Polar Surface Area145 Ų
Heavy Atom Count74
Formal Charge2
Complexity1550
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count2
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Drug and Medication Information
4.1 Drug Indication

For inpatients and outpatients, as an adjunct to general anesthesia, to facilitate tracheal intubation and to provide skeletal muscle relaxation during surgery or mechanical ventilation.


FDA Label


5 Pharmacology and Biochemistry
5.1 Pharmacology

Mivacurium is a short-acting, nondepolarizing skeletal neuromuscular blocking agent which is hydrolyzed by plasma cholinesterase. Mivacurium results in a blockade of neuromuscular transmission by binding competitively with cholinergic receptors on the motor end-plate to antagonize the action of acetylcholine. The neuromuscular block produced by mivacurium is readily antagonized by anticholinesterase agents. The deeper the level of neuromuscular block at reversal, the longer the time required for recovery of neuromuscular function and the greater the dose of anticholinesterase agent required. Because spontaneous recovery after mivacurium is rapid, routine reversal may not always result in a clinical benefit.


5.2 MeSH Pharmacological Classification

Neuromuscular Nondepolarizing Agents

Drugs that interrupt transmission at the skeletal neuromuscular junction without causing depolarization of the motor end plate. They prevent acetylcholine from triggering muscle contraction and are used as muscle relaxants during electroshock treatments, in convulsive states, and as anesthesia adjuvants. (See all compounds classified as Neuromuscular Nondepolarizing Agents.)


5.3 ATC Code

M - Musculo-skeletal system

M03 - Muscle relaxants

M03A - Muscle relaxants, peripherally acting agents

M03AC - Other quaternary ammonium compounds

M03AC10 - Mivacurium chloride


5.4 Metabolism/Metabolites

Extensive and rapid via enzymatic hydrolysis catalyzed by plasma cholinesterase. Biotransformation may be significantly slowed in patients with abnormal or decreased plasma cholinesterase activity, especially individuals with a homozygous atypical cholinesterase gene abnormality.


5.5 Biological Half-Life

The mean elimination half-life ranges from 1.7 to 2.6 minutes in healthy, young adults administered 0.1 to 0.25 mg/kg mivacurium. In 9 patients with end-stage liver disease undergoing liver transplant surgery, plasma clearance was approximately 50% lower than that in 8 control patients with normal hepatic function, while the elimination half-life increased to 4.4 minutes from the 1.8 minute control value.


5.6 Mechanism of Action

Mivacurium binds competitively to cholinergic receptors on the motor end-plate to antagonize the action of acetylcholine, resulting in a block of neuromuscular transmission. This action is antagonized by acetylcholinesterase inhibitors, such as neostigmine.