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ACTIVE PHARMA INGREDIENTS

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Chemistry

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Also known as: Hepes, 7365-45-9, 2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanesulfonic acid, 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid, 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid, 1-piperazineethanesulfonic acid, 4-(2-hydroxyethyl)-

Molecular Formula

C₈H₁₈N₂O₄S

Molecular Weight

238.31 g/mol

InChI Key

JKMHFZQWWAIEOD-UHFFFAOYSA-N

FDA UNII

RWW266YE9I

A dipolar ionic buffer.

1 2D Structure

Hepes API

2 Identification

2.1 Computed Descriptors

2.1.1 IUPAC Name

2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid

2.1.2 InChI

InChI=1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,(H,12,13,14)

2.1.3 InChI Key

JKMHFZQWWAIEOD-UHFFFAOYSA-N

2.1.4 Canonical SMILES

C1CN(CCN1CCO)CCS(=O)(=O)O

2.2 Other Identifiers

2.2.1 UNII

RWW266YE9I

2.3 Synonyms

2.3.1 MeSH Synonyms

1. Hepes

2. Hepes Monosodium Salt

3. Monosodium Salt, Hepes

4. N 2 Hydroxyethylpiperazine N' 2' Ethanesulfonic Acid

5. N-2-hydroxyethylpiperazine-n'-2'-ethanesulfonic Acid

6. Salt, Hepes Monosodium

2.3.2 Depositor-Supplied Synonyms

1. Hepes

2. 7365-45-9

3. 2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanesulfonic Acid

4. 4-(2-hydroxyethyl)-1-piperazineethanesulfonic Acid

5. 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic Acid

6. 1-piperazineethanesulfonic Acid, 4-(2-hydroxyethyl)-

7. 4-(2-hydroxyethyl)piperazine-1-ethanesulfonic Acid

8. 4-(2-hydroxyethyl)-1-piperazineethane Sulfonic Acid

9. Chebi:42334

10. Hydroxyethylpiperazine Ethane Sulfonic Acid

11. N-2-hydroxyethylpiperazine-n'-ethanesulfonate

12. Mfcd00006158

13. N-2-hydroxyethylpiperazine-n'-ethanesulfonic Acid

14. N-2-hydroxyethylpiperazine-n-ethane Sulfonic Acid

15. Nsc 166663

16. Rww266ye9i

17. 4-(2-hydroxyethyl)piperazin-1-ylethanesulphonic Acid

18. N-2-hydroxyethylpiperazine N',2'-ethanesulfonic Acid

19. Nsc-166663

20. 2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulfonic Acid

21. N-(2-hydroxyethyl)piperazine-n'-(2-ethanesulfonic Acid)

22. Tvz 7;was 13;nsc 166663

23. Brn 0883043

24. 2-(4-(2-hydroxyethyl)piperazin-1-yl)ethane-1-sulfonic Acid

25. Monosodium Salt, Hepes

26. Hepes Monosodium Salt

27. Salt, Hepes Monosodium

28. Unii-rww266ye9i

29. Hepes Buffer

30. Hebes

31. Hepes, Pharmagrade, Manufactured Under Appropriate Controls For Use As A Raw Material In Pharma Or Biopharmaceutical Production, Suitable For Cell Culture

32. Prestwick_256

33. Einecs 230-907-9

34. Hepes, Dry Powder

35. Hepes Buffered Saline

36. 1d1p

37. 1dg9

38. Hepes, Biochemical Grade

39. 15(r)-hydroperoxy-epe

40. Hepes [mi]

41. Hepes, 99.5%

42. Epitope Id:190604

43. Ec 230-907-9

44. 5-23-02-00379 (beilstein Handbook Reference)

45. (4-(2-hydroxyethyl)-1-piperazineethanesulfonic Acid

46. Hepes Buffer Solution (1m)

47. N-2-hydroxyethylpiperazine-n'-2-ethanesulfonic Acid

48. N 2 Hydroxyethylpiperazine N' 2' Ethanesulfonic Acid

49. N-2-hydroxyethylpiperazine-n'-2'-ethanesulfonic Acid

50. 2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanesulfonicacid

51. Chembl1232545

52. Dtxsid5040382

53. 2-[4-(2-hydroxyethyl)-1-piperazinyl] Ethanesulfonic Acid

54. Hepes, Nist Srm 2181

55. Amy23345

56. Bcp06984

57. Hepes, >=99.5% (titration)

58. Hy-d0857

59. Hepes, >=99.0%

60. Nsc166663

61. S6831

62. Stk033062

63. Zinc19203136

64. Hepes Buffer Solution, 1 M In H2o

65. Akos001696205

66. Hepes, >=99.0% (t)

67. Hepes-buffered Saline, Ph 6.5 (5x)

68. Hepes-buffered Saline, Ph 7.0 (5x)

69. Bs-17486

70. Hepes, 0.5m Buffer Solution, Ph 6.5

71. Hepes, 0.5m Buffer Solution, Ph 7.5

72. Hepes, 0.5m Buffer Solution, Ph 7.6

73. Hepes, 0.5m Buffer Solution, Ph 8.5

74. Hepes, 0.5m Buffer Solution, Ph 9.0

75. Hepes, 1.0m Buffer Solution, Ph 6.5

76. Hepes, 1.0m Buffer Solution, Ph 7.0

77. Hepes, 1.0m Buffer Solution, Ph 7.5

78. Hepes, 1.0m Buffer Solution, Ph 8.0

79. Hepes, 1.0m Buffer Solution, Ph 8.5

80. Ds-015636

81. Hepes, Vetec(tm) Reagent Grade, 99.5%

82. 6,11-dibromo-1,4-dioxaspiro[4.7]undecane

83. B7302

84. Cs-0015167

85. Ft-0629149

86. Ft-0767998

87. H0396

88. F20297

89. 4-(2-hydroxyethyl)-1-piperazine Ethanesulfonate

90. 4-(2-hydroxyethyl)-1-piperazineethane Sulfonate

91. 4-(2-hydroxyethyl)-1-piperazine Ethanesulphonate

92. 4-(2-hydroxyethyl)-1-piperazineethane Sulphonate

93. A837886

94. N-2-hydroxyethylpiperazine-n-2-ethanesulfonic Acid

95. Q418359

96. 4-(2-hydroxyerhyl)piperazine-1-erhanesulfonic Acid

97. 4-(2-hydroxylethyl)piperazine-1-ethanesulfonic Acid

98. J-521424

99. N-2 Hydroxyethylpiperazine-n-2-ethane-sulfonic Acid

100. N-2-hydroxyethylpiperazino-n'-2-ethanesulfonic Acid

101. 4-(2-hydroxyethyl)-1-piperazine Ethanesulphonic Acid

102. 4-(2-hydroxyethyl)-1-piperazineethane Sulphonic Acid

103. Hepes-buffered Saline, Ph 7.0 (2x For Transfection)

104. N-(2-hydroxyethyl)-piperazine-n'-ethanesulfonic Acid

105. 4-(2-hydroxyethyl)piperazine-1-(2-ethanesulfonic Acid)

106. F0001-1858

107. Hepes, Bioultra, For Molecular Biology, >=99.5% (t)

108. Hepes,4-(2-hydroxyethyl)-1-piperazineethanesulfonic Acid

109. Hydroxyethylpiperazine Ethane Sulfonic Acid [ii]

110. Hydroxyethylpiperazine Ethane Sulfonic Acid [inci]

111. 2-[4-(2-hydroxyethyl)-1-piperazinyl]ethane Sulfonic Acid

112. 2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulfonic Acid #

113. Hepes (4-(2-hydroxyethyl)-1-piperazineethanesulfonic Acid)

114. Hepes, Anhydrous, Free-flowing, Redi-dri(tm), >=99.5%

115. N-2-hydroxyethylpiperazine N'-2'-ethanesulphonic Acid

116. Hepes Buffered Saline, Bioultra, For Molecular Biology, 2x Concentrate

117. Hepes, Bioperformance Certified, >=99.5% (titration), Cell Culture Tested

118. Hepes, Bioxtra, Ph 5.0-6.5 (1 M In H2o), >=99.5% (titration)

119. Hepes, Pharmaceutical Secondary Standard; Certified Reference Material

120. Hepes Solution, 1 M, Ph 7.0-7.6, Sterile-filtered, Bioreagent, Suitable For Cell Culture

121. Hepes Solution, Bioperformance Certified, 1 M, Suitable For Cell Culture, 0.2 Mum Filtered

122. Hepes, Bioxtra, Suitable For Mouse Embryo Cell Culture, >=99.5% (titration)

2.4 Create Date

2004-09-16

3 Chemical and Physical Properties

Molecular Formula	C₈H₁₈N₂O₄S
Molecular Weight	238.31 g/mol
XLogP3	-4
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	5
Exact Mass	238.09872823 g/mol
Monoisotopic Mass	238.09872823 g/mol
Topological Polar Surface Area	89.5 Å²
Heavy Atom Count	15
Formal Charge	0
Complexity	267
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently Bonded Unit Count	1

4 Pharmacology and Biochemistry

4.1 MeSH Pharmacological Classification

Buffers

A chemical system that functions to control the levels of specific ions in solution. When the level of hydrogen ion in solution is controlled the system is called a pH buffer. (See all compounds classified as Buffers.)

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