Water-18O

Synopsis, Chemistry

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Also known as: 14314-42-2, Oxygen-18, Heavy-oxygen water, Water o-18, Water (h218o), Water, heavy (h218o)

Molecular Formula

H₂O

Molecular Weight

20.015 g/mol

InChI Key

XLYOFNOQVPJJNP-NJFSPNSNSA-N

FDA UNII

7QV8F8BYNJ

1 2D Structure

Water-18O

2 Identification

2.1 Computed Descriptors

2.1.1 IUPAC Name

oxidane

2.1.2 InChI

InChI=1S/H2O/h1H2/i1+2

2.1.3 InChI Key

XLYOFNOQVPJJNP-NJFSPNSNSA-N

2.1.4 Canonical SMILES

2.1.5 Isomeric SMILES

[18OH2]

2.2 Other Identifiers

2.2.1 UNII

7QV8F8BYNJ

2.3 Synonyms

2.3.1 MeSH Synonyms

1. 18o Isotope

2. O-18 Isotope

3. Oxygen-18

2.3.2 Depositor-Supplied Synonyms

1. 14314-42-2

2. Oxygen-18

3. Heavy-oxygen Water

4. Water O-18

5. Water (h218o)

6. Water, Heavy (h218o)

7. 14797-71-8

8. Oxygen, Isotope Of Mass 18

9. 18o Water

10. Water, Labeled With Oxygen-18

11. 7qv8f8bynj

12. Water-(18-o) (97% Isotopic Purity)

13. Unii-7qv8f8bynj

14. Heavy Oxygen

15. Oxygen-18 Atom

16. Schwerer Sauerstoff

17. Oxygen, Isotope Of Mass 18, At.

18. Water-(18)o

19. Water-18o, Normalized

20. ((18)o)water

21. (~18~o)water

22. [o-18]-water

23. Water, O-18

24. Heavy Water (h218o)

25. Chebi:33813

26. Chebi:33815

27. Dtxsid40933267

28. H218o

29. Water-18o, 10 Atom % 18o

30. Water-18o, 70 Atom % 18o

31. Water-18o, 80 Atom % 18o

32. Water-18o, 97 Atom % 18o

33. Water-18o, 98 Atom % 18o

34. Water-18o, 99 Atom % 18o

35. Mfcd00064503

36. Akos015903635

37. (18)oh2

38. H2(18)o

39. Hy-108872s

40. Water-(18-o) (10% Isotopic Purity)

41. Water-(18-o) (99% Isotopic Purity)

42. (18)o

43. Cs-0459820

44. (18)8o

45. 314w422

46. A808025

47. Q662269

48. J-007751

49. Q27115709

2.4 Create Date

2005-08-08

3 Chemical and Physical Properties

Molecular Formula	H₂O
Molecular Weight	20.015 g/mol
XLogP3	-0.5
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	20.014809676 g/mol
Monoisotopic Mass	20.014809676 g/mol
Topological Polar Surface Area	1 Å²
Heavy Atom Count	1
Formal Charge	0
Complexity	0
Isotope Atom Count	1
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