ChemicalBook Product Catalog Analytical Chemistry Standard Pharmaceutical Impurity Reference Standards 2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE

2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE

2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE Basic information
Product Name:2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE
Synonyms:Methyl4-hydroxy-2-methyl-2H-1,2-benzothiazine3-carboxylate1,1-dioxide;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ACID METHYL ESTER 1,1-DIOXIDE;2-Methyl-4-hydroxy-2H-1,2-benzisothiazine-3-carboxylic acid ethyl ester-1,1-diox;2-Methyl-4-Hydroxy-2H-1,2-Benzotiazine-3-CarboxylicAicdEthylEster-1,1-Dioxide;Methyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate;4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid methyl ester 1,1-;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE 98% MIN
CAS:35511-15-0
MF:C11H11NO5S
MW:269.27
EINECS:252-601-4
Product Categories:Aromatics;Heterocycles;(intermediate of piroxicam);Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds
Mol File:35511-15-0.mol
2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE Structure
2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE Chemical Properties
Melting point 163-165°C
Boiling point 439.9±55.0 °C(Predicted)
density 1.514±0.06 g/cm3(Predicted)
storage temp. Sealed in dry,2-8°C
solubility Chloroform (Slightly), Methanol (Slightly)
pka4.50±1.00(Predicted)
form Solid
color White to Pale Yellow
CAS DataBase Reference35511-15-0(CAS DataBase Reference)
Safety Information
MSDS Information
2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE Usage And Synthesis
Chemical PropertiesOff-White to Pale Yellow Solid
UsesPiroxicam Impurity J. It Is also an impurity found in Meloxicam (M216100).
UsesMethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam EP Impurity J) is an impurity found in Meloxicam (M216100).
2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE Preparation Products And Raw materials
Preparation ProductsHexazinone-->Meloxicam
Meloxicam Impurity 1 HCl [N(Z)]-N-(3,5-DiMethyl-2(3H)-thiazolylidene)-4-hydroxy-2-Methyl-2H-1,2-benzothiazine-3-carboxaMide 1,1-Dioxide 5-(2-Aminopropyl)-1-[3-(benzoyloxy)propyl]-2,3-dihydro-1H-indole-7-carbonitrile Benzoic acid, 2-[(methylamino)sulfonyl]- 5Carboxy Meloxicam 2H-1,2-Benzothiazine-3-carboxaMide, 4-Methoxy-2-Methyl-N-(5-Methyl-2-thiazolyl)-, 1,1-dioxide 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide 5Hydroxy Meloxicam Meloxicam EP Impurity D METHYL-4-HYDROXY-2-METHYL-D3-2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE 1,1-DIOXIDE N-(2-hydroxyethyl)-N-methylbenzenesulfonamide PHENYLSULFONYL-SAR-OH Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE N-Ethyl-o/p-toluenesulfonamide 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide
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