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    Also known as: 2746-19-2, (3ar,4r,7s,7as)-rel-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione, Cis-5-norbornene-exo-2,3-dicarboxylic anhydride, Exo-3,6-methylene-1,2,3,6-tetrahydrophthalic anhydride, N1kqo6559b, 4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3ar,4r,7s,7as)-rel-
    Molecular Formula
    C9H8O3
    Molecular Weight
    164.16  g/mol
    InChI Key
    KNDQHSIWLOJIGP-RNGGSSJXSA-N
    FDA UNII
    N1KQO6559B
    CAS 2746-19-2
    1 2D Structure

    CAS 2746-19-2

    2 Identification
    2.1 Computed Descriptors
    2.1.1 IUPAC Name
    (1S,2S,6R,7R)-4-oxatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
    2.1.2 InChI
    InChI=1S/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2/t4-,5+,6+,7-
    2.1.3 InChI Key
    KNDQHSIWLOJIGP-RNGGSSJXSA-N
    2.1.4 Canonical SMILES
    C1C2C=CC1C3C2C(=O)OC3=O
    2.1.5 Isomeric SMILES
    C1[C@@H]2C=C[C@H]1[C@H]3[C@@H]2C(=O)OC3=O
    2.2 Other Identifiers
    2.2.1 UNII
    N1KQO6559B
    2.3 Synonyms
    2.3.1 Depositor-Supplied Synonyms

    1. 2746-19-2

    2. (3ar,4r,7s,7as)-rel-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione

    3. Cis-5-norbornene-exo-2,3-dicarboxylic Anhydride

    4. Exo-3,6-methylene-1,2,3,6-tetrahydrophthalic Anhydride

    5. N1kqo6559b

    6. 4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3ar,4r,7s,7as)-rel-

    7. (1s,2s,6r,7r)-4-oxatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione

    8. (3ar,4r,7s,7as)-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione

    9. Exo-5-norbornene-2,3-dicarboxylic Anhydride

    10. Endicanhydride

    11. Unii-n1kqo6559b

    12. Nsc-110659

    13. Einecs 220-384-5

    14. Norborn-5-ene-2exo,3exo-dicarboxylic Acid Anhydride

    15. Nsc 110659

    16. Exo-nadic Anhydride

    17. Exo-carbic Anhydride

    18. 5-norbornene-2,3-dicarboxylic Anhydride, Cis-exo-

    19. Schembl4940217

    20. Dtxsid70883721

    21. 129-64-6

    22. Amy36726

    23. Bcp04730

    24. Zinc8100956

    25. Akos015999001

    26. Ac-8833

    27. Cs-w008293

    28. Fd14037

    29. 4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-,(3ar,4r,7s,7as)-rel-

    30. As-18256

    31. Exo-5-norbornene-1,2-dicarboxylic Anhydride

    32. Cis-norbornene-exo-2,3-dicarboxylic Anhydride

    33. H10751

    34. 746n192

    35. A852567

    36. Q-101138

    37. Cis-5-norbornene-exo-2,3-dicarboxylicanhydride

    38. Cis-5-norbornene-exo-2,3-dicarboxylicanhydride,99%

    39. Q27284391

    40. Cis-5-norbornene-endo-2,3-dicarboxylic Anhydride, 95%

    41. Cis-5-norbornene-exo-2,3-dicarboxylic Anhydride, 95%

    42. 5-norbornene-2,3-dicarboxylic Anhydride, Exo-cis-

    43. Exo-3,6-methylene-4-cyclohexene-1,2-dicarboxylic Anhydride

    44. Di-exo-bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic Anhydride

    45. Norborn-5-ene-2,3-dicarboxylic Anhydride 2-exo, 3-exo Isomere

    46. (1r,2r,6s,7s)-4-oxatricyclo[5.2.1.0?,?]dec-8-ene-3,5-dione

    47. (1r,2r,6s,7s)-4-oxatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione

    48. 3beta,5beta-etheno-1alpha,2alpha-cyclopentanedicarboxylic Anhydride

    49. (1alpha,2alpha,3beta,6beta)-1,2,3,6-tetrahydro-3,6-methanophthalicanhydride

    50. (3ar,4r,7s,7as)-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofurn-1,3-dione

    51. (3ar,7s,7as)-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione

    52. 4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3ar,4r,7s,7as)-

    53. Rel-(3ar,4r,7s,7as)-3a,4,7,7a-tetrahydro-4,7-methano-2-benzofuran-1,3-dione

    54. 4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aalpha,4beta,7beta,7aalpha)-

    55. 4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aalpha,4beta,7beta,7aalpha)- (9ci)

    2.4 Create Date
    2006-01-25
    3 Chemical and Physical Properties
    Molecular Weight 164.16 g/mol
    Molecular Formula C9H8O3
    XLogP30.7
    Hydrogen Bond Donor Count0
    Hydrogen Bond Acceptor Count3
    Rotatable Bond Count0
    Exact Mass164.047344113 g/mol
    Monoisotopic Mass164.047344113 g/mol
    Topological Polar Surface Area43.4 Ų
    Heavy Atom Count12
    Formal Charge0
    Complexity277
    Isotope Atom Count0
    Defined Atom Stereocenter Count4
    Undefined Atom Stereocenter Count0
    Defined Bond Stereocenter Count0
    Undefined Bond Stereocenter Count0
    Covalently Bonded Unit Count1

    BUILDING BLOCK

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    SUPPLIERS

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    Allchem Laboratories

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    cis-5-Norbornene-exo-2,3-dicarboxylic anhydride

    CAS Number : 2746-19-2

    End Use API :

    End Use API : Lurasidone Hydrochloride, Perospirone Hydrochloride Hydrate, Ziprasidone Hydrochloride

    About the Company : Established in 2003 with small pilot plant and came in to commercial production in 2013 in the name of Allchem Laboratories, it is an independent privately owned company.Name changed fr...

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    Venkata Narayana Active Ingredients

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    cis-5-Norbornene-exo-2,3-dicarboxylic anhydride

    CAS Number : CAS-2746-19-2

    End Use API :

    End Use API : Lurasidone Hydrochloride

    About the Company : Venkata Narayana Active Ingredients (Formerly Nutra Specialties Private Limited) Promoted by a well-known business house of India, Mr. Abhaya Kumar Jain who has vast experience in the P...

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    Xi'an Caijing Opto-Electrical Science ...

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    (3at,7at)-3a,4,7,7a-tetrahydro-4r,7c- methano-isob...

    CAS Number : 2746-19-2

    End Use API :

    End Use API : Lurasidone Hydrochloride

    About the Company : Xi'an caijing opto-Electrical Science & Technology Co.,Ltd.(briefed as CJOE), located in Xi'an High-Tech Development Zone with a registered capital of 90 million Yuan, is a high-tech jo...

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