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Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide ??? ???

?? ??:: 35511-14-9

???:: Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

???(??):: Piroxicam EP IMP G;PiroxicaM IMpurity G;Methyl 4-Hydroxy-2H-1,2-benzothiazi;methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide;Methyl 4-hydroxy-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide;4-Hydroxy-2-Methyl-2h-1,2-Benzoisothiazol--2-Aceticether-1,1-Dioxide;4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLID ACID METHYL ESTER 1,1-DIOXIDE;4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ACID METHYL ESTER 1,1-DIOXIDE;Imp. G (EP): Methyl4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate1,1-Dioxide;4-HYDROXY-2-METHYL-2H-1,2-BENZOISOTHIAZOL--2-ACETICETHER-1,1-DIOXIDE/ PIROXICAM

CBNumber:: CB6281571

???:: C10H9NO5S

??? ??:: 255.25

MOL ??:: 35511-14-9.mol

?? ?? 82

Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide ??

???: 168-170°C

?? ??: Refrigerator

???: ?????(?? ???, ??), ???(?? ???, ??)

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?? ? ???? ?? (GHS)

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Warning

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??	??·?? ??	?? ??	??	?? ?	?? ??	P- ??
H302	??? ???	?? ?? ?? - ??	?? 4	??		P264, P270, P301+P312, P330, P501

??????:

P264	?? ??? ?? ??? ????.
P264	?? ??? ?? ??? ????.
P270	? ??? ??? ??? ???, ???? ???? ???.
P301+P312	??? ???? ??? ????(??)? ??? ????.
P330	?? ?????.
P501	...? ??? / ??? ?? ???.

Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide C??? ??, ??, ??

??? ??

Off-White to Grey Solid

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Piroxicam impurity G.

Synthesis Reference(s)

Journal of Medicinal Chemistry, 14, p. 1171, 1971 DOI: 10.1021/jm00294a008

Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide ?? ?? ? ???

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Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide ?? ??

???( 82)?? ??

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Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide ?? ??:

???? 2-Methyl-4-hydroxy-2H-1,2-benzisothiazine-3-carboxylic acid ethyl ester-1,1-diox PIROXICAM IMP. G (EP): METHYL 4-HYDROXY- 2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE 1,1-DIOXIDE MM(CRM STANDARD) PIROXICAM IMP. G (EP): METHYL 4-HYDROXY- 2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE 1,1-DIOXIDE 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide METHYL-4-HYDROXY-2-METHYL-D3-2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE 1,1-DIOXIDE 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide

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