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2D Structure
Also known as: L-carnosine, 305-84-0, Beta-alanyl-l-histidine, Ignotine, Karnozin, Karnozzn
Molecular Formula
C9H14N4O3
Molecular Weight
226.23  g/mol
InChI Key
CQOVPNPJLQNMDC-ZETCQYMHSA-N
FDA UNII
8HO6PVN24W

A naturally occurring dipeptide neuropeptide found in muscles.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(2S)-2-(3-aminopropanoylamino)-3-(1H-imidazol-5-yl)propanoic acid
2.1.2 InChI
InChI=1S/C9H14N4O3/c10-2-1-8(14)13-7(9(15)16)3-6-4-11-5-12-6/h4-5,7H,1-3,10H2,(H,11,12)(H,13,14)(H,15,16)/t7-/m0/s1
2.1.3 InChI Key
CQOVPNPJLQNMDC-ZETCQYMHSA-N
2.1.4 Canonical SMILES
C1=C(NC=N1)CC(C(=O)O)NC(=O)CCN
2.1.5 Isomeric SMILES
C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)CCN
2.2 Other Identifiers
2.2.1 UNII
8HO6PVN24W
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Beta Alanylhistidine

2. Beta-alanylhistidine

3. Carnosine Hydrochloride

4. Carnosine, (d-his)-isomer

5. Hydrochloride, Carnosine

6. L Carnosine

7. L-carnosine

2.3.2 Depositor-Supplied Synonyms

1. L-carnosine

2. 305-84-0

3. Beta-alanyl-l-histidine

4. Ignotine

5. Karnozin

6. Karnozzn

7. N-2-m

8. L-histidine, Beta-alanyl-

9. Polaprezinc

10. (3-aminopropanoyl)-l-histidine

11. (2s)-2-(3-aminopropanamido)-3-(1h-imidazol-4-yl)propanoic Acid

12. Chebi:15727

13. Nalpha-(beta-alanyl)-l-histidine

14. .beta.-alanyl-l-histidine

15. Nsc 524045

16. Brn 0087671

17. 8ho6pvn24w

18. L-histidine, N-beta-alanyl-

19. Beta-alanylhistidine

20. L-histidine, Beta-alanyl-, Homopolymer

21. Z 103

22. Z-103

23. N-beta-alanyl-l-histidine

24. L-ignotine

25. Mfcd00005207

26. (2~{s})-2-(3-azanylpropanoylamino)-3-(1~{h}-imidazol-4-yl)propanoic Acid

27. 1370422-07-3

28. Unii-8ho6pvn24w

29. L-histidine, N-.beta.-alanyl-

30. Sevitin

31. Betaala-his

32. B-alanylhistidine

33. Nsc-524045

34. Einecs 206-169-9

35. B-alanyl-l-histidine

36. Beta-alanyl-l-histidin

37. .beta.-alanylhistidine

38. Spectrum_001178

39. N-b-alanyl-l-histidine

40. Specplus_000374

41. Carnosine [mi]

42. Carnosine [inci]

43. Spectrum2_000454

44. Spectrum3_001212

45. Spectrum4_001673

46. Spectrum5_000605

47. Carnosine [vandf]

48. 3-aminopropionyl-histidine

49. Bmse000246

50. Bmse001002

51. C00386

52. Carnosine [who-dd]

53. N-(b-alanyl)-l-histidine

54. Schembl33769

55. Bspbio_002624

56. Kbiogr_002225

57. Kbioss_001658

58. 4-25-00-04381 (beilstein Handbook Reference)

59. Divk1c_006470

60. Spectrum1500944

61. N-(3-aminopropanoyl)histidine

62. Spbio_000528

63. Chembl242948

64. Gtpl4559

65. Kbio1_001414

66. Kbio2_001658

67. Kbio2_004226

68. Kbio2_006794

69. Kbio3_002124

70. Dtxsid80879594

71. L-carnosine, ~99%, Crystalline

72. (2s)-2-(3-aminopropanoylamino)-3-imidazol-4-ylpropanoic Acid

73. Tnp00340

74. Zinc2040854

75. N(alpha)-(beta-alanyl)-l-histidine

76. (2s)-2-(3-aminopropanoylamino)-3-(1h-imidazol-5-yl)propanoic Acid

77. Bdbm50485554

78. Ccg-38696

79. Stl466172

80. Akos010421481

81. Akos015963345

82. Cs-w014210

83. Db11695

84. Hy-w013494

85. Sdccgmls-0066726.p001

86. Ncgc00017390-01

87. Ncgc00017390-02

88. Ncgc00142487-01

89. Ac-17084

90. Ac-19690

91. Ac-31940

92. As-12570

93. A0222

94. L-carnosine, Vetec(tm) Reagent Grade, 98%

95. S5226

96. H11980

97. 305c840

98. Q413822

99. Sr-05000002473

100. Sr-05000002473-1

101. (2s)-2-(3-aminopropanamido)-3-(1h-imidazol-5-yl)propanoic Acid

102. (s)-2-(3-aminopropanamido)-3-(1h-imidazol-4-yl)propanoic Acid

103. (s)-2-(3-aminopropanamido)-3-(1h-imidazol-5-yl)propanoic Acid

104. 8v0

2.4 Create Date
2004-09-16
3 Chemical and Physical Properties
Molecular Weight 226.23 g/mol
Molecular Formula C9H14N4O3
XLogP3-4
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count5
Rotatable Bond Count6
Exact Mass226.10659032 g/mol
Monoisotopic Mass226.10659032 g/mol
Topological Polar Surface Area121 Ų
Heavy Atom Count16
Formal Charge0
Complexity259
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1