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Technical details about Etidronate Disodium, learn more about the structure, uses, toxicity, action, side effects and more

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2D Structure
Also known as: 7414-83-7, Didronel, Disodium etidronate, Sodium etidronate, Sodium ethidronate, Sodium ethydronate
Molecular Formula
C2H6Na2O7P2
Molecular Weight
249.99  g/mol
InChI Key
GWBBVOVXJZATQQ-UHFFFAOYSA-L
FDA UNII
M16PXG993G

A diphosphonate which affects calcium metabolism. It inhibits ectopic calcification and slows down bone resorption and bone turnover.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
disodium;hydroxy-[1-hydroxy-1-[hydroxy(oxido)phosphoryl]ethyl]phosphinate
2.1.2 InChI
InChI=1S/C2H8O7P2.2Na/c1-2(3,10(4,5)6)11(7,8)9;;/h3H,1H3,(H2,4,5,6)(H2,7,8,9);;/q;2*+1/p-2
2.1.3 InChI Key
GWBBVOVXJZATQQ-UHFFFAOYSA-L
2.1.4 Canonical SMILES
CC(O)(P(=O)(O)[O-])P(=O)(O)[O-].[Na+].[Na+]
2.2 Other Identifiers
2.2.1 UNII
M16PXG993G
2.3 Synonyms
2.3.1 MeSH Synonyms

1. (1-hydroxyethylene)diphosphonic Acid

2. (1-hydroxyethylene)diphosphonic Acid, Tetrapotassium Salt

3. 1 Hydroxyethane 1,1 Diphosphonate

4. 1 Hydroxyethylidene 1,1 Bisphosphonate

5. 1,1 Hydroxyethylenediphosphonate

6. 1,1-hydroxyethylenediphosphonate

7. 1-hydroxyethane-1,1-diphosphonate

8. 1-hydroxyethylene Diphosphonate, Disodium

9. 1-hydroxyethylidene-1,1-bisphosphonate

10. Dicalcium Ehdp

11. Dicalcium Etidronate

12. Didronel

13. Diphosphonate, Disodium 1-hydroxyethylene

14. Diphosphonic Acid, Hydroxyethylidene

15. Disodium 1 Hydroxyethylene Diphosphonate

16. Disodium 1-hydroxyethylene Diphosphonate

17. Disodium Etidronate

18. Ehdp

19. Ehdp, Dicalcium

20. Ethanehydroxydiphosphonate

21. Ethanehydroxyphosphate

22. Etidronate

23. Etidronate, Dicalcium

24. Etidronate, Disodium

25. Etidronate, Sodium

26. Etidronate, Tetrapotassium Salt

27. Etidronic Acid

28. Hedp

29. Hedspa

30. Hydroxyethanediphosphonate

31. Hydroxyethylidene Diphosphonic Acid

32. Phosphonic Acid, (1-hydroxyethylidene)bis-, Disodium Salt

33. Salt Etidronate, Tetrapotassium

34. Sodium Etidronate

35. Tetrapotassium Salt Etidronate

36. Xidifon

37. Xidiphon

38. Xydiphone

2.3.2 Depositor-Supplied Synonyms

1. 7414-83-7

2. Didronel

3. Disodium Etidronate

4. Sodium Etidronate

5. Sodium Ethidronate

6. Sodium Ethydronate

7. Disodium Ethydronate

8. Turpinal 2nz

9. Disodium Ethanol-1,1-diphosphonate

10. Etidronic Acid Disodium Salt

11. Etidronatedisodium

12. Disodium (1-hydroxyethylidene)diphosphonate

13. Phosphonic Acid, (1-hydroxyethylidene)bis-, Disodium Salt

14. Disodium 1-hydroxyethylidene Phosphonate

15. Chebi:4906

16. Hedpa;hedp

17. Disodium Dihydrogen (1-hydroxyethylidene)diphosphonate

18. Disodium Ethane-1-hydroxy-1,1-diphosphonate

19. (1-hydroxyethylidene)diphosphonic Acid, Disodium Salt

20. Etidronic Acid, Disodium Salt

21. 1-hydroxyethylidene-1,1-diphosphonic Acid Disodium Salt

22. (1-hydroxyethane-1,1-diyl)diphosphonic Acid Disodium Salt

23. M16pxg993g

24. Didronel R

25. 1-hydroxyethane-1,1-diphosphonic Acid Disodium Salt

26. Nsc-759157

27. Cas-7414-83-7

28. Dsstox_cid_9671

29. Disodium;hydroxy-[1-hydroxy-1-[hydroxy(oxido)phosphoryl]ethyl]phosphinate

30. Dsstox_rid_78804

31. Dsstox_gsid_29671

32. Disodium (1-hydroxyethane-1,1-diyl)bis[hydrogen (phosphonate)]

33. Etidronsaeure Dinatriumsalz

34. Etidronate Disodium Hydrate

35. Etidronic Acid Disodium

36. Ncgc00159352-02

37. 29329-71-3

38. Einecs 231-025-7

39. Sm-5600

40. Unii-m16pxg993g

41. Didronel Iv

42. Didronel Pmo

43. Phosphonic Acid, (1-hydroxyethylidene)bis-, Sodium Salt

44. Didronel (tn)

45. Ethane-1-hydroxy-1,1-diphosphonate, Disodium Salt

46. Etidronate Disodium [usan:usp:jan]

47. Mfcd00152567

48. Prestwick_1061

49. Disodium Dihydrogen (1-hydroxyethylidene)bisphosphonate

50. Ethane-1-hydroxy-1,1-diphosphonic Acid, Disodium Salt

51. Phosphonic Acid, (1-hydroxyethylidene)di-, Disodium Salt

52. Disodium Hydroxy-[1-hydroxy-1-[hydroxy(oxido)phosphoryl]ethyl]phosphinate

53. Chembl1201042

54. Dtxsid1029671

55. Etidronate Disodium [jan]

56. Etidronate Disodium (jp17/usp)

57. Disodium Etidronate [inci]

58. Etidronate Disodium [usan]

59. Hms1570n07

60. Hms2093p03

61. Hms2097n07

62. Etidronate Disodium [vandf]

63. Bcp22743

64. Etidronate Disodium [mart.]

65. Tox21_111596

66. Bdbm50247999

67. Etidronate Disodium [usp-rs]

68. Etidronate Disodium [who-dd]

69. Phosphonic Acid, P,p'-(1-hydroxyethylidene)bis-, Sodium Salt (1:2)

70. Akos015961949

71. Tox21_111596_1

72. Ac-2078

73. Ccg-213569

74. Ks-1297

75. Nsc 759157

76. Etidronate Disodium [orange Book]

77. Ncgc00017072-01

78. Ncgc00179380-04

79. Be164429

80. Etidronate Disodium [ep Monograph]

81. Etidronic Acid Disodium Salt [mi]

82. Etidronate Disodium [usp Monograph]

83. Disodium 1-hydroxyethane-1,1-diphosphonate

84. D4159

85. Ft-0630369

86. D00314

87. H11387

88. Etidronate Disodium;hedpa Disodium;hedp Disodium

89. A838033

90. Etidronate Disodium Hydrate, >=97% (nmr), Solid

91. W-104431

92. 1-hydroxyethane 1,1-diphosphonic Acid Disodium Salt

93. Disodium Etidronate;sm-5600; Sm-5600; Sm-5600

94. Q27106537

95. Sodium 1-hydroxyethane-1,1-diylbis(hydrogenphosphonate)

96. Disodium [1-[oxidanidyl(oxidanyl)phosphoryl]-1-oxidanyl-ethyl]-oxidanyl-phosphinate

2.4 Create Date
2005-06-24
3 Chemical and Physical Properties
Molecular Weight 249.99 g/mol
Molecular Formula C2H6Na2O7P2
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count7
Rotatable Bond Count2
Exact Mass249.93841509 g/mol
Monoisotopic Mass249.93841509 g/mol
Topological Polar Surface Area141 Ų
Heavy Atom Count13
Formal Charge0
Complexity206
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count3
4 Drug and Medication Information
4.1 Drug Information
1 of 4  
Drug NameDidronel
Active IngredientEtidronate disodium
Dosage FormTablet
RouteOral
Strength200mg; 400mg
Market StatusPrescription
CompanyProcter And Gamble

2 of 4  
Drug NameEtidronate disodium
PubMed HealthEtidronate (By mouth)
Drug ClassesCalcium Regulator
Drug LabelEtidronate disodium tablets, USP contain either 200 mg or 400 mg of etidronate disodium, the disodium salt of (1-hydroxyethylidene) diphosphonic acid, for oral administration. This compound, also known as EHDP, regulates bone metabolism. Etidronate d...
Active IngredientEtidronate disodium
Dosage FormTablet
RouteOral
Strength200mg; 400mg
Market StatusPrescription
CompanyMylan

3 of 4  
Drug NameDidronel
Active IngredientEtidronate disodium
Dosage FormTablet
RouteOral
Strength200mg; 400mg
Market StatusPrescription
CompanyProcter And Gamble

4 of 4  
Drug NameEtidronate disodium
PubMed HealthEtidronate (By mouth)
Drug ClassesCalcium Regulator
Drug LabelEtidronate disodium tablets, USP contain either 200 mg or 400 mg of etidronate disodium, the disodium salt of (1-hydroxyethylidene) diphosphonic acid, for oral administration. This compound, also known as EHDP, regulates bone metabolism. Etidronate d...
Active IngredientEtidronate disodium
Dosage FormTablet
RouteOral
Strength200mg; 400mg
Market StatusPrescription
CompanyMylan

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.)


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