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2D Structure
Also known as: 3211-76-5, Seleno-l-methionine, Selenium-l-methionine, Semet, L-(+)-selenomethionine, (s)-2-amino-4-(methylselanyl)butanoic acid
Molecular Formula
C5H11NO2Se
Molecular Weight
196.12  g/mol
InChI Key
RJFAYQIBOAGBLC-BYPYZUCNSA-N
FDA UNII
964MRK2PEL

Diagnostic aid in pancreas function determination.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(2S)-2-amino-4-methylselanylbutanoic acid
2.1.2 InChI
InChI=1S/C5H11NO2Se/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1
2.1.3 InChI Key
RJFAYQIBOAGBLC-BYPYZUCNSA-N
2.1.4 Canonical SMILES
C[Se]CCC(C(=O)O)N
2.1.5 Isomeric SMILES
C[Se]CC[C@@H](C(=O)O)N
2.2 Other Identifiers
2.2.1 UNII
964MRK2PEL
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Butanoic Acid, 2-amino-4-(methylseleno)-

2. Radioselenomethionine

3. Se 75, Selenomethionine

4. Selenomethionine

5. Selenomethionine Hydrochloride, (s)-isomer

6. Selenomethionine Se 75

7. Selenomethionine, (+,-)-isomer

8. Selenomethionine, (r)-isomer

9. Selenomethionine, (s)-isomer

10. Sethotope

2.3.2 Depositor-Supplied Synonyms

1. 3211-76-5

2. Seleno-l-methionine

3. Selenium-l-methionine

4. Semet

5. L-(+)-selenomethionine

6. (s)-2-amino-4-(methylselanyl)butanoic Acid

7. L-selenomethioninum

8. (s)-2-amino-4-(methylseleno)butyric Acid

9. (s)-2-amino-4-(methylseleno)butanoic Acid

10. (2s)-2-amino-4-(methylseleno)butanoic Acid

11. Butyric Acid, 2-amino-4-(methylselenyl)-, L-

12. Butanoic Acid, 2-amino-4-(methylseleno)-, (s)-

13. (2s)-2-amino-4-methylselanylbutanoic Acid

14. Nsc-760370

15. Butanoic Acid, 2-amino-4-(methylseleno)-, (2s)-

16. 964mrk2pel

17. Chebi:30021

18. Ncgc00181044-01

19. Selenomethionine [usan]

20. Mse

21. (2s)-2-amino-4-(methylselanyl)butanoic Acid

22. Selenosource Af 2000

23. Unii-964mrk2pel

24. Megavite Rx

25. Methionine, Seleno-

26. Mfcd00037210

27. Dipropylsulfate

28. Seleno-d,l-methionine

29. L(+)-selenomethionine

30. Bio Sel-5000

31. (2s)-2-amino-4-methylselanyl-butanoic Acid

32. Bmse000169

33. Dsstox_cid_26824

34. Dsstox_rid_81936

35. Selenomethionine, L-

36. (s)-(+)-2-amino-4-(methylseleno)butanoic Acid

37. Dsstox_gsid_46824

38. Schembl63322

39. Selenomethionine [mi]

40. L-selenomethionine Trit 0.5%

41. Selenomethionine [hsdb]

42. Chembl113178

43. Dtxsid8046824

44. L-selenomethionine [fcc]

45. Selenomethionine [mart.]

46. Hy-b1000a

47. Biosel 5000 L-selenomethionine

48. Selenomethionine [usp-rs]

49. Selenomethionine [who-dd]

50. 2-amino-4-(methylseleno)butanoate

51. Hms3264c04

52. Pharmakon1600-01506163

53. 2-amino-4-(methylselenyl)butyrate

54. Amy18854

55. Tox21_112692

56. Nsc760370

57. S3973

58. Akos015853989

59. Akos015889703

60. Ac-5676

61. Ccg-207973

62. Cs-5178

63. Db11142

64. Nsc 760370

65. (s)-2-amino-4-(methylseleno)butanoate

66. Ncgc00181044-04

67. (2s)-2-amino-4-(methylseleno)butanoate

68. (s)-2-amino-4-(methylseleno)-butanoate

69. Cas-3211-76-5

70. L-2-amino-4-(methylselenyl)-butyric Acid

71. S0442

72. (s)-2-amino-4-(methylseleno)-butanoic Acid

73. Seleno-l-methionine, >=98% (tlc), Powder

74. C05335

75. F20529

76. Ab01563198_01

77. A821136

78. J-018640

79. Q27096144

80. .alpha.-amino-.gamma.-(methylseleno)butyric Acid

81. 2905d820-1eff-4468-93d0-bd1605569f30

82. Selenomethionine, United States Pharmacopeia (usp) Reference Standard

2.4 Create Date
2004-09-16
3 Chemical and Physical Properties
Molecular Weight 196.12 g/mol
Molecular Formula C5H11NO2Se
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count4
Exact Mass196.99550 g/mol
Monoisotopic Mass196.99550 g/mol
Topological Polar Surface Area63.3 Ų
Heavy Atom Count9
Formal Charge0
Complexity97
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1