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Technical details about CAS 24683-26-9, learn more about the structure, uses, toxicity, action, side effects and more

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2D Structure
1. 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
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