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2D Structure
Also known as: Krypton kr 81m, Krypton-81m, Krypton (81mkr), Krypton, kr-81m, Krypton (81m kr), Krypton (81mkr) gas
Molecular Formula
Kr
Molecular Weight
80.91659  g/mol
InChI Key
DNNSSWSSYDEUBZ-OIOBTWANSA-N
FDA UNII
68QN45K12N

1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
krypton-81
2.1.2 InChI
InChI=1S/Kr/i1-3
2.1.3 InChI Key
DNNSSWSSYDEUBZ-OIOBTWANSA-N
2.1.4 Canonical SMILES
[Kr]
2.1.5 Isomeric SMILES
[81Kr]
2.2 Other Identifiers
2.2.1 UNII
68QN45K12N
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 81kr Radioisotope

2. Kr-81 Radioisotope

2.3.2 Depositor-Supplied Synonyms

1. Krypton Kr 81m

2. Krypton-81m

3. Krypton (81mkr)

4. Krypton, Kr-81m

5. Krypton (81m Kr)

6. Krypton (81mkr) Gas

7. Krypton, Isotope Of Mass 81

8. Krypton Kr-81m

9. 15678-91-8

10. Krypton Kr 81m Gas Generator

11. 68qn45k12n

12. Krypton, Isotope Of Mass 81 (metastable)

13. Mpi Krypton 81m Generator

14. Krypton Kr 81m [usan]

15. Unii-68qn45k12n

16. Krypton Kr 81m [usan:usp]

17. Mpi Krypton Kr 81m Gas Generator

18. Krypton Kr 81m (usp)

19. 81mkr

20. Krypton-81m [mart.]

21. Chembl1201096

22. Dtxsid80935528

23. Chebi:136002

24. Mpi Krypton 81m Gas Generator (tn)

25. Krypton (81m Kr) [who-dd]

26. Db09443

27. Krypton, Kr-81m [orange Book]

28. D04656

29. Q18880414

2.4 Create Date
2005-08-08
3 Chemical and Physical Properties
Molecular Weight 80.91659 g/mol
Molecular Formula Kr
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass80.91659 g/mol
Monoisotopic Mass80.91659 g/mol
Topological Polar Surface Area0 Ų
Heavy Atom Count1
Formal Charge0
Complexity0
Isotope Atom Count1
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 ATC Code

V - Various

V09 - Diagnostic radiopharmaceuticals

V09E - Respiratory system

V09EX - Other respiratory system diagnostic radiopharmaceuticals

V09EX01 - Krypton (81mKr) gas