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CAS 24683-26-9
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

CAS 24683-26-9

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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4-Hydroxy, 2-Methyl, 2H, 1, 2- Benzothiazine Carboxylic...

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Meloxicam
Hoventa Pharma is in the business of manufacturing APIs for over three decades.We offer various kinds of ...
Hoventa Pharma is in the business of manufacturing APIs for over three decades.We offer various kinds of services in addition to supplies of APIs, we undertake long-term contracts for manufacturing intermediates and development of new Active Pharmaceutical Ingredients as per your requirement. We have a sharp focus on giving value added services to our customers cost effectively. We are supplying APIs to the global pharmaceutical companies in India and abroad since the last 3 decades. Some of our major customers operate in India and export to their products to other countries.
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4-Hydroxy, 2-Methyl, 2H, 1, 2- Benzothiazine Carboxylic...

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Piroxicam
Hoventa Pharma is in the business of manufacturing APIs for over three decades.We offer various kinds of ...
Hoventa Pharma is in the business of manufacturing APIs for over three decades.We offer various kinds of services in addition to supplies of APIs, we undertake long-term contracts for manufacturing intermediates and development of new Active Pharmaceutical Ingredients as per your requirement. We have a sharp focus on giving value added services to our customers cost effectively. We are supplying APIs to the global pharmaceutical companies in India and abroad since the last 3 decades. Some of our major customers operate in India and export to their products to other countries.
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