4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide

Modify Date: 2025-09-10 13:18:17

4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide structure	Common Name	4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide
	CAS Number	65897-46-3	Molecular Weight	317.32000
	Density	1.611g/cm3	Boiling Point	N/A
	Molecular Formula	C₁₄H₁₁N₃O₄S	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide
Synonym	More Synonyms

Density	1.611g/cm3
Molecular Formula	C₁₄H₁₁N₃O₄S
Molecular Weight	317.32000
Exact Mass	317.04700
PSA	120.26000
LogP	3.29790
Index of Refraction	1.727

Saccharin structure

Saccharin

CAS#:81-07-2

~%

4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide Structure

4-hydroxy-1,1-d...

CAS#:65897-46-3

Literature: Warner-Lambert Company Patent: US4074048 A1, 1978 ;

3-Oxo-1,2-benzoisothiazoline-2[N-(2-pyridyl)]acetamide 1,1-Dioxide structure

3-Oxo-1,2-benzo...

CAS#:66366-28-7

~24%

0-(N-(2-pyridyl)carboxamidomethylsulfamyl)benzoic acid structure

0-(N-(2-pyridyl...

CAS#:86048-64-8

4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide Structure

4-hydroxy-1,1-d...

CAS#:65897-46-3

Literature: Perillo; Schapira; Lamdan Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 1 p. 155 - 160

methyl 2-(N-(2-oxo-2-(pyridin-2-ylamino)ethyl)sulfamoyl)benzoate structure

methyl 2-(N-(2-...

CAS#:86048-60-4

~%

4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide Structure

4-hydroxy-1,1-d...

CAS#:65897-46-3

Literature: Perillo; Schapira; Lamdan Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 1 p. 155 - 160

2-Aminopyridine structure

2-Aminopyridine

CAS#:504-29-0

~%

4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide Structure

4-hydroxy-1,1-d...

CAS#:65897-46-3

Literature: Perillo; Schapira; Lamdan Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 1 p. 155 - 160

(1,1,2,3,3,3-HEXAFLUOROPROPYL)-1,4-DIOXANE,RACEMIC structure

(1,1,2,3,3,3-HE...

CAS#:52188-11-1

~%

4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide Structure

4-hydroxy-1,1-d...

CAS#:65897-46-3

Literature: Perillo; Schapira; Lamdan Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 1 p. 155 - 160

2-[1,1-dioxide-3-oxo-1,2-benzisothiazole-2(3H)-yl] acetic acid chloride structure

2-[1,1-dioxide-...

CAS#:61020-33-5

~%

4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide Structure

4-hydroxy-1,1-d...

CAS#:65897-46-3

Literature: Perillo; Schapira; Lamdan Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 1 p. 155 - 160

Precursor 6
CAS#:81-07-2 Saccharin CAS#:66366-28-7 3-Oxo-1,2-benzo... CAS#:86048-60-4 methyl 2-(N-(2-... CAS#:504-29-0 2-Aminopyridine
CAS#:52188-11-1 (1,1,2,3,3,3-HE... CAS#:61020-33-5 2-[1,1-dioxide-...
DownStream 1
CAS#:36322-90-4 Piroxicam

Desmethyl piroxicam

Piroxicam Impurity B

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