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Technical details about IBUTILIDE FUMARATE, learn more about the structure, uses, toxicity, action, side effects and more

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2D Structure
1. Also known as: 122647-32-9, Corvert, Ibutilide hemifumarate, Ibutilide fumarate [usan], Ibutilide hemifumarate salt, U-70226e
Molecular Formula
C44H76N4O10S2
Molecular Weight
885.2  g/mol
InChI Key
PCIOHQNIRPWFMV-WXXKFALUSA-N
FDA UNII
9L5X4M5L6I

Ibutilide Fumarate is the fumarate salt form of ibutilide, a class III antiarrhythmic agent. Ibutilide exerts its effect by activating a slow, inward, predominately sodium current rather than by blocking outward potassium currents. This results in prolongation of atrial and ventricular action potential duration and refractory periods. Ibutilide slightly decreases the sinus rate and atrioventricular (AV) conduction and produces a dose-related prolongation of the QT interval. (NCI05)
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(E)-but-2-enedioic acid;N-[4-[4-[ethyl(heptyl)amino]-1-hydroxybutyl]phenyl]methanesulfonamide
2.1.2 InChI
InChI=1S/2C20H36N2O3S.C4H4O4/c2*1-4-6-7-8-9-16-22(5-2)17-10-11-20(23)18-12-14-19(15-13-18)21-26(3,24)25;5-3(6)1-2-4(7)8/h2*12-15,20-21,23H,4-11,16-17H2,1-3H3;1-2H,(H,5,6)(H,7,8)/b;;2-1+
2.1.3 InChI Key
PCIOHQNIRPWFMV-WXXKFALUSA-N
2.1.4 Canonical SMILES
CCCCCCCN(CC)CCCC(C1=CC=C(C=C1)NS(=O)(=O)C)O.CCCCCCCN(CC)CCCC(C1=CC=C(C=C1)NS(=O)(=O)C)O.C(=CC(=O)O)C(=O)O
2.1.5 Isomeric SMILES
CCCCCCCN(CC)CCCC(C1=CC=C(C=C1)NS(=O)(=O)C)O.CCCCCCCN(CC)CCCC(C1=CC=C(C=C1)NS(=O)(=O)C)O.C(=C/C(=O)O)\C(=O)O
2.2 Other Identifiers
2.2.1 UNII
9L5X4M5L6I
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Corvert

2. Ibutilide

3. Ibutilide, (+)-isomer

4. Ibutilide, (+-)-isomer

5. Ibutilide, (-)-isomer

6. Ibutilide, Fumarate Salt (2:1), (+)-isomer

7. Ibutilide, Fumarate Salt (2:1), (+-)-isomer

8. N-(4-(4-(ethylheptylamino)-1-hydroxybutyl)phenyl)methanesulfonamide

9. U-70226e

10. U-82208e

11. U-82209e

12. U82208e

13. U82209e

2.3.2 Depositor-Supplied Synonyms

1. 122647-32-9

2. Corvert

3. Ibutilide Hemifumarate

4. Ibutilide Fumarate [usan]

5. Ibutilide Hemifumarate Salt

6. U-70226e

7. 9l5x4m5l6i

8. U70226e

9. (e)-but-2-enedioic Acid;n-[4-[4-[ethyl(heptyl)amino]-1-hydroxybutyl]phenyl]methanesulfonamide

10. N-(4-(4-(ethyl(heptyl)amino)-1-hydroxybutyl)phenyl)methanesulfonamide Hemifumarate

11. 1807940-66-4

12. Ncgc00181771-01

13. Unii-9l5x4m5l6i

14. U 70226e

15. Corvert Fumarate

16. Hsdb 7926

17. Corvert (tn)

18. Mfcd01715410

19. Ibutilide Fumarate (usp)

20. (+-)-4'-(4-(ethylheptylamino)-1-hydroxybutyl)methanesulfoanilide (e)-2-butenedioate (2:1)

21. (+-)-4'-(4-(ethylheptylamino)-1-hydroxybutyl)methanesulfonanilide Fumarate (2:1) (salt)

22. (+-)-n-(4-(4-(ethylheptylamino)-1-hydroxybutyl)phenyl)methanesulfonamide (e)-butenedioate

23. Dsstox_cid_28578

24. Dsstox_rid_82849

25. Dsstox_gsid_48652

26. Schembl42073

27. Chebi:5857

28. Ibutilide Fumarate [mi]

29. Chembl2355456

30. Dtxsid8048652

31. Hms3714i11

32. Hms3884n07

33. Ibutilide Fumarate [vandf]

34. Ibutilide Fumarate [mart.]

35. Bcp13494

36. Ibutilide Fumarate [usp-rs]

37. Ibutilide Fumarate [who-dd]

38. Tox21_113006

39. S2118

40. Akos015896070

41. Ccg-220685

42. Ibutilide Fumarate [orange Book]

43. As-15378

44. Ibutilide Fumarate [usp Monograph]

45. Methanesulfonamide, N-(4-(4-(ethylheptylamino)-1-hydroxybutyl)phenyl)-, (+-)-, (e)-2-butenedioate (2:1) (salt)

46. Cas-122647-32-9

47. Ibutilide Hemifumarate Salt, >=98% (hplc)

48. Sw220114-1

49. D00648

50. 647i329

51. A804940

52. Q27272695

53. (+/-)-n-[4-[4-(ethylheptylamino)-1-hydroxybutyl]phenyl]methanesulfonamide Hemifumarate

54. Bis(n-(4-(4-(ethyl(heptyl)amino)-1-hydroxybutyl)phenyl)methanesulfonamide) Fumarate

55. (+/-)-4'-(4-(ethylheptylamino)-1-hydroxybutyl)methanesulfonanilide Fumarate (2:1) (salt)

56. Bis(n-(4-{4-[ethyl(heptyl)amino]-1-hydroxybutyl}phenyl)methanesulfonamide), But-2-enedioic Acid

57. Bis(n-(4-{4-[ethyl(heptyl)amino]-1-hydroxybutyl}phenyl)methanesulfonamide),but-2-enedioicacid

58. Ibutilide Fumarate, United States Pharmacopeia (usp) Reference Standard, Monograph Mol Wt. 885.23 ([(c20h36n2o3s)2 . C4h4o4])

59. Methanesulfonamide, N-(4-(4-(ethylheptylamino)-1-hydroxybutyl)phenyl)-, (+/-)-, (e)-2-butenedioate (2:1) (salt)

60. N-(4-(4-(ethylheptylamino)-1-hydroxybutyl)phenyl)methanesulfonamide (e)-2-butenedioate (2:1 Salt)

2.4 Create Date
2005-06-24
3 Chemical and Physical Properties
Molecular Weight 885.2 g/mol
Molecular Formula C44H76N4O10S2
Hydrogen Bond Donor Count6
Hydrogen Bond Acceptor Count14
Rotatable Bond Count30
Exact Mass884.50028698 g/mol
Monoisotopic Mass884.50028698 g/mol
Topological Polar Surface Area231 Ų
Heavy Atom Count60
Formal Charge0
Complexity561
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count2
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count3
4 Drug and Medication Information
4.1 Drug Information
1 of 4  
Drug NameCorvert
Drug LabelCORVERT Injection (ibutilide fumarate injection) is an antiarrhythmic drug with predominantly class III (cardiac action potential prolongation) properties according to the Vaughan Williams Classification. Each milliliter of CORVERT Injection contains...
Active IngredientIbutilide fumarate
Dosage FormInjectable
RouteInjection
Strength0.1mg/ml
Market StatusPrescription
CompanyPharmacia And Upjohn

2 of 4  
Drug NameIbutilide fumarate
PubMed HealthIbutilide (Injection)
Drug ClassesAntiarrhythmic, Group III
Drug LabelCORVERT Injection (ibutilide fumarate injection) is an antiarrhythmic drug with predominantly class III (cardiac action potential prolongation) properties according to the Vaughan Williams Classification. Each milliliter of CORVERT Injection contains...
Active IngredientIbutilide fumarate
Dosage FormInjectable
RouteInjection
Strength0.1mg/ml
Market StatusPrescription
CompanyMylan Institutional; Luitpold

3 of 4  
Drug NameCorvert
Drug LabelCORVERT Injection (ibutilide fumarate injection) is an antiarrhythmic drug with predominantly class III (cardiac action potential prolongation) properties according to the Vaughan Williams Classification. Each milliliter of CORVERT Injection contains...
Active IngredientIbutilide fumarate
Dosage FormInjectable
RouteInjection
Strength0.1mg/ml
Market StatusPrescription
CompanyPharmacia And Upjohn

4 of 4  
Drug NameIbutilide fumarate
PubMed HealthIbutilide (Injection)
Drug ClassesAntiarrhythmic, Group III
Drug LabelCORVERT Injection (ibutilide fumarate injection) is an antiarrhythmic drug with predominantly class III (cardiac action potential prolongation) properties according to the Vaughan Williams Classification. Each milliliter of CORVERT Injection contains...
Active IngredientIbutilide fumarate
Dosage FormInjectable
RouteInjection
Strength0.1mg/ml
Market StatusPrescription
CompanyMylan Institutional; Luitpold

5 Pharmacology and Biochemistry
5.1 MeSH Pharmacological Classification

Anti-Arrhythmia Agents

Agents used for the treatment or prevention of cardiac arrhythmias. They may affect the polarization-repolarization phase of the action potential, its excitability or refractoriness, or impulse conduction or membrane responsiveness within cardiac fibers. Anti-arrhythmia agents are often classed into four main groups according to their mechanism of action: sodium channel blockade, beta-adrenergic blockade, repolarization prolongation, or calcium channel blockade. (See all compounds classified as Anti-Arrhythmia Agents.)


5.2 FDA Pharmacological Classification
5.2.1 Pharmacological Classes
Antiarrhythmic [EPC]
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