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2D Structure
Also known as: 138844-81-2, Bondronat, Ibandronate sodium salt, Boniva, Ibandronate (sodium), Sodium ibandronate
Molecular Formula
C9H22NNaO7P2
Molecular Weight
341.21  g/mol
InChI Key
LXLBEOAZMZAZND-UHFFFAOYSA-M
FDA UNII
23Y0B94E49

Aminobisphosphonate that is a potent inhibitor of BONE RESORPTION. It is used in the treatment of HYPERCALCEMIA associated with malignancy, for the prevention of fracture and bone complications in patients with breast cancer and bone metastases, and for the treatment and prevention of POSTMENOPAUSAL OSTEOPOROSIS.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
sodium;hydroxy-[1-hydroxy-3-[methyl(pentyl)amino]-1-phosphonopropyl]phosphinate
2.1.2 InChI
InChI=1S/C9H23NO7P2.Na/c1-3-4-5-7-10(2)8-6-9(11,18(12,13)14)19(15,16)17;/h11H,3-8H2,1-2H3,(H2,12,13,14)(H2,15,16,17);/q;+1/p-1
2.1.3 InChI Key
LXLBEOAZMZAZND-UHFFFAOYSA-M
2.1.4 Canonical SMILES
CCCCCN(C)CCC(O)(P(=O)(O)O)P(=O)(O)[O-].[Na+]
2.2 Other Identifiers
2.2.1 UNII
23Y0B94E49
2.3 Synonyms
2.3.1 MeSH Synonyms

1. (1-hydroxy-3-(methylpentylamino)propylidene)bisphosphonate

2. 1-hydroxy-3-(methylpentylamino)propylidenebisphosphonate

3. Bm 21.0955

4. Bm 210955

5. Bm-21.0955

6. Bm-210955

7. Bm21.0955

8. Bm210955

9. Bondronat

10. Boniva

11. Bonviva

12. Ibandronate

13. Ibandronate Sodium Anhydrous

14. Ibandronic Acid

15. Ibandronic Acid, Sodium Salt, Monohydrate

16. Rpr 102289a

17. Rpr-102289a

18. Rpr102289a

2.3.2 Depositor-Supplied Synonyms

1. 138844-81-2

2. Bondronat

3. Ibandronate Sodium Salt

4. Boniva

5. Ibandronate (sodium)

6. Sodium Ibandronate

7. Ibandronate Sodium Anhydrous

8. Bonviva

9. 23y0b94e49

10. (1-hydroxy-3-(methylpentylamino)propylidene)bisphosphonic Acid Sodium

11. Sodium;hydroxy-[1-hydroxy-3-[methyl(pentyl)amino]-1-phosphonopropyl]phosphinate

12. Phosphonic Acid, (1-hydroxy-3-(methylpentylamino)propylidene)bis-, Monosodium Salt

13. Bm 21.0955na

14. Ncgc00167428-01

15. Bm-21.0955

16. Unii-23y0b94e49

17. Dsstox_cid_26618

18. Dsstox_rid_81770

19. Dsstox_gsid_46618

20. Schembl1030768

21. Chembl1201008

22. Dtxsid8046618

23. Hy-b0515b

24. Hms3263m08

25. Hms3714g19

26. Sodium Ibandronate Anhydrous

27. Bcp22744

28. Ibandronate Sodium [who-dd]

29. Tox21_112432

30. Tox21_501103

31. Mfcd07197214

32. Akos026750153

33. Bcp9000767

34. Ccg-220679

35. Ccg-222407

36. Lp01103

37. Ibandronic Acid Sodium Salt [mi]

38. Ncgc00261788-01

39. Cas-138844-81-2

40. Ft-0670252

41. S0877

42. H11437

43. Ibandronate Sodium Salt, >=97% (nmr), Solid

44. J-007183

45. Q27253790

46. (1-hydroxy-3-(methyl(pentyl)amino)propane-1,1-diyl)diphosphonic Acid Monosodium Salt

2.4 Create Date
2008-02-05
3 Chemical and Physical Properties
Molecular Weight 341.21 g/mol
Molecular Formula C9H22NNaO7P2
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count8
Rotatable Bond Count9
Exact Mass341.07692032 g/mol
Monoisotopic Mass341.07692032 g/mol
Topological Polar Surface Area141 Ų
Heavy Atom Count20
Formal Charge0
Complexity377
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
4 Drug and Medication Information
4.1 Drug Information
1 of 4  
Drug NameBoniva
PubMed HealthIbandronate
Drug ClassesCalcium Regulator
Drug LabelBONIVA (ibandronate sodium) is a nitrogen-containing bisphosphonate that inhibits osteoclast-mediated bone resorption. The chemical name for ibandronate sodium is 3-(N-methyl-N-pentyl)amino-1-hydroxypropane-1,1-diphosphonic acid, monosodium salt, mon...
Active IngredientIbandronate sodium
Dosage FormInjectable; Tablet
RouteIntravenous; Oral
Strengtheq 3mg base/3ml; eq 150mg base
Market StatusPrescription
CompanyHoffmann La Roche; Roche

2 of 4  
Drug NameIbandronate sodium
Drug LabelBONIVA (ibandronate sodium) is a nitrogen-containing bisphosphonate that inhibits osteoclast-mediated bone resorption. The chemical name for ibandronate sodium is 3-(N-methyl-N-pentyl)amino-1-hydroxypropane-1,1-diphosphonic acid, monosodium salt, mon...
Active IngredientIbandronate sodium
Dosage FormTablet; Injectable
Routeinjection; oral; Oral; Intravenous
Strength2.5mg; 1mg; eq 150mg base; eq 3mg base/3ml
Market StatusTentative Approval; Prescription
CompanyMylan Pharms; Teva Parenteral; Apotex; Sun Pharm Inds; Watson Labs; Emcure Pharms; Mutual Pharm; Cobalt Labs; Sagent Pharms; Dr Reddys Labs; Agila Speclts; Orchid Hlthcare

3 of 4  
Drug NameBoniva
PubMed HealthIbandronate
Drug ClassesCalcium Regulator
Drug LabelBONIVA (ibandronate sodium) is a nitrogen-containing bisphosphonate that inhibits osteoclast-mediated bone resorption. The chemical name for ibandronate sodium is 3-(N-methyl-N-pentyl)amino-1-hydroxypropane-1,1-diphosphonic acid, monosodium salt, mon...
Active IngredientIbandronate sodium
Dosage FormInjectable; Tablet
RouteIntravenous; Oral
Strengtheq 3mg base/3ml; eq 150mg base
Market StatusPrescription
CompanyHoffmann La Roche; Roche

4 of 4  
Drug NameIbandronate sodium
Drug LabelBONIVA (ibandronate sodium) is a nitrogen-containing bisphosphonate that inhibits osteoclast-mediated bone resorption. The chemical name for ibandronate sodium is 3-(N-methyl-N-pentyl)amino-1-hydroxypropane-1,1-diphosphonic acid, monosodium salt, mon...
Active IngredientIbandronate sodium
Dosage FormTablet; Injectable
Routeinjection; oral; Oral; Intravenous
Strength2.5mg; 1mg; eq 150mg base; eq 3mg base/3ml
Market StatusTentative Approval; Prescription
CompanyMylan Pharms; Teva Parenteral; Apotex; Sun Pharm Inds; Watson Labs; Emcure Pharms; Mutual Pharm; Cobalt Labs; Sagent Pharms; Dr Reddys Labs; Agila Speclts; Orchid Hlthcare

4.2 Drug Indication

Treatment of osteoporosis in postmenopausal women at increased risk of fracture (see section 5. 1). A reduction in the risk of vertebral fractures has been demonstrated, efficacy on femoral neck fractures has not been established.


Bondronat is indicated for:

- prevention of skeletal events (pathological fractures, bone complications requiring radiotherapy or surgery) in patients with breast cancer and bone metastases;

- treatment of tumour-induced hypercalcaemia with or without metastases.


5 Pharmacology and Biochemistry
5.1 MeSH Pharmacological Classification

Bone Density Conservation Agents

Agents that inhibit BONE RESORPTION and/or favor BONE MINERALIZATION and BONE REGENERATION. They are used to heal BONE FRACTURES and to treat METABOLIC BONE DISEASES such as OSTEOPOROSIS. (See all compounds classified as Bone Density Conservation Agents.)


5.2 FDA Pharmacological Classification
5.2.1 Pharmacological Classes
Diphosphonates [CS]; Bisphosphonate [EPC]
5.3 ATC Code

M05BA06


M05BA06