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    Krypton-81

    ACTIVE PHARMA INGREDIENTS

    FINISHED DOSAGE FORMULATIONS

    PharmaCompass
    Xls

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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