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    CAS 24683-26-9

    BUILDING BLOCK

    PharmaCompass
    Xls

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    2D Structure
    Also known as: 24683-26-9, Ethyl 4-hydroxy-2-methyl-2h-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide, 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide, Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2h-1,2-benzothiazine-3-carboxylate, 4-hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxylic acid ethylester 1,1-dioxide, Ead64z1ys1
    Molecular Formula
    C12H13NO5S
    Molecular Weight
    283.30  g/mol
    InChI Key
    QWTNANUGXZEPFQ-UHFFFAOYSA-N
    FDA UNII
    EAD64Z1YS1
    1 2D Structure

    2D Structure

    2 Identification
    2.1 Computed Descriptors
    2.1.1 IUPAC Name
    ethyl 4-hydroxy-2-methyl-1,1-dioxo-16,2-benzothiazine-3-carboxylate
    2.1.2 InChI
    InChI=1S/C12H13NO5S/c1-3-18-12(15)10-11(14)8-6-4-5-7-9(8)19(16,17)13(10)2/h4-7,14H,3H2,1-2H3
    2.1.3 InChI Key
    QWTNANUGXZEPFQ-UHFFFAOYSA-N
    2.1.4 Canonical SMILES
    CCOC(=O)C1=C(C2=CC=CC=C2S(=O)(=O)N1C)O
    2.2 Other Identifiers
    2.2.1 UNII
    EAD64Z1YS1
    2.3 Synonyms
    2.3.1 Depositor-Supplied Synonyms

    1. 24683-26-9

    2. Ethyl 4-hydroxy-2-methyl-2h-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide

    3. 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylic Acid Ethyl Ester 1,1-dioxide

    4. Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2h-1,2-benzothiazine-3-carboxylate

    5. 4-hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxylic Acid Ethylester 1,1-dioxide

    6. Ead64z1ys1

    7. Meloxicam Related Compound A

    8. 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylic Acid Ethyl Ester-1,1-dioxide

    9. Chembl598364

    10. Ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate

    11. 2-methyl-4-hydroxy-2h-1,2-benzothiazine-1,1-dioxide-3-carboxylic Acid Ethyl Ester

    12. 2h-1,2-benzothiazine-3-carboxylic Acid, 4-hydroxy-2-methyl-, Ethyl Ester, 1,1-dioxide

    13. Ethyl 4-hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxylate 1,1-dioxide(piroxicam Impurity K)

    14. 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylic Acid Ethyl Ester1,1-dioxide

    15. Einecs 246-403-7

    16. Unii-ead64z1ys1

    17. Ethyl 4-hydroxy-2-methyl-1,1-dioxo-1?^{6},2-benzothiazine-3-carboxylate

    18. Meloxicam Impurity A

    19. Ec 246-403-7

    20. Schembl2345581

    21. Dtxsid30179415

    22. Bdbm50309938

    23. Mfcd00190168

    24. Stl384274

    25. 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylicacidethylester1,1-dioxide

    26. Akos015889481

    27. Zinc100014894

    28. Cs-w012255

    29. Ks-5263

    30. (4-hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxylic Acid Ethyl)1,1-dioxide

    31. 2-methyl-4-hydroxy-2h-1,2-benzothiazine-3 -carboxylic Acid Ethyl Ester 1,1-dioxide

    32. 4-hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxylic Acid Ethyl Ester 1,1-dioxide

    33. Ncgc00253615-01

    34. Ac-19607

    35. Meloxicam Impurity A [ep Impurity]

    36. Piroxicam Impurity K [ep Impurity]

    37. Db-041190

    38. Ft-0638446

    39. Ft-0642776

    40. Meloxicam Related Compound A [usp-rs]

    41. D87876

    42. Meloxicam Related Compound A [usp Impurity]

    43. W-107287

    44. Q27277072

    45. 3-carbethoxy-4-hydroxy-2-methyl-2h-1,2-benzothiazine 1,1-dioxide

    46. Meloxicam Impurity A, European Pharmacopoeia (ep) Reference Standard

    47. Ethyl 4-hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxylate-1,1-dioxide

    48. Ethyl4-hydroxy-2-methyl-2h-benzo[e][1,2]thiazine-3-carboxylate1,1-dioxide

    49. 2-methyl-4-hydroxy-2h-1,2-benzothiazine-1,1-dioxide-3carboxylic Acid Ethyl Ester

    50. Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2h-1,2-benzothiazine-3-carboxylate, 97%

    51. Meloxicam Related Compound A, United States Pharmacopeia (usp) Reference Standard

    52. 4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1lambda*6*-benzo[e][1,2]thiazine-3-carboxylic Acid Ethyl Ester

    2.4 Create Date
    2011-12-26
    3 Chemical and Physical Properties
    Molecular Weight 283.30 g/mol
    Molecular Formula C12H13NO5S
    XLogP33.2
    Hydrogen Bond Donor Count1
    Hydrogen Bond Acceptor Count6
    Rotatable Bond Count3
    Exact Mass283.05144369 g/mol
    Monoisotopic Mass283.05144369 g/mol
    Topological Polar Surface Area92.3 Ų
    Heavy Atom Count19
    Formal Charge0
    Complexity505
    Isotope Atom Count0
    Defined Atom Stereocenter Count0
    Undefined Atom Stereocenter Count0
    Defined Bond Stereocenter Count0
    Undefined Bond Stereocenter Count0
    Covalently Bonded Unit Count1