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2D Structure
Also known as: 5625-67-2, 2-piperazinone, 2-oxopiperazine, Piperazinone, Piperazine-2-one, 2-ketopiperazine
Molecular Formula
C4H8N2O
Molecular Weight
100.12  g/mol
InChI Key
IWELDVXSEVIIGI-UHFFFAOYSA-N
FDA UNII
K9H2S9K98E

1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
piperazin-2-one
2.1.2 InChI
InChI=1S/C4H8N2O/c7-4-3-5-1-2-6-4/h5H,1-3H2,(H,6,7)
2.1.3 InChI Key
IWELDVXSEVIIGI-UHFFFAOYSA-N
2.1.4 Canonical SMILES
C1CNC(=O)CN1
2.2 Other Identifiers
2.2.1 UNII
K9H2S9K98E
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 2-piperazinone

2.3.2 Depositor-Supplied Synonyms

1. 5625-67-2

2. 2-piperazinone

3. 2-oxopiperazine

4. Piperazinone

5. Piperazine-2-one

6. 2-ketopiperazine

7. Mfcd01318687

8. K9h2s9k98e

9. 3,4,5,6-tetrahydropyrazin-2-ol

10. Nsc-27441

11. Oxopiperazine

12. Keto Piperazine

13. 3-oxopiperazine

14. Piperazin-3-one

15. Piperizin-2-one

16. Piperazin-2-on

17. 2-oxo-piperazine

18. 2-piperazine-one

19. Nsc27441

20. 2-oxopiperazine--d6

21. 2-oxopiperazine, 97%

22. Schembl5194

23. Unii-k9h2s9k98e

24. Piperazin-2-one;2-oxopiperazine

25. Dtxsid10282698

26. Chebi:195071

27. Bcp26674

28. Cs-b0039

29. Str07287

30. Nsc 27441

31. Stk025825

32. Stl301724

33. Akos000269318

34. Akos022140684

35. Ac-1109

36. Pb23229

37. Ps-9326

38. 2(1h)-pyrazinone, Tetrahydro-

39. Bp-11215

40. Hy-20128

41. Sy002559

42. Db-031180

43. A8081

44. Am20100386

45. Ft-0649566

46. P1867

47. En300-08705

48. W-203124

49. Z56968535

50. F1775-0070

2.4 Create Date
2005-03-26
3 Chemical and Physical Properties
Molecular Weight 100.12 g/mol
Molecular Formula C4H8N2O
XLogP3-1.1
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass g/mol
Monoisotopic Mass g/mol
Topological Polar Surface Area41.1
Heavy Atom Count7
Formal Charge0
Complexity81.8
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1