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4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide Structure
CAS No.
118854-48-1
Chemical Name:
4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide
Synonyms
Piroxicam EP IMP L;PiroxicaM iMpurity L;MeloxicaM IMpurity F;Meloxicam Impurity F(EP);Meloxicam EP Impurity F(EP);Isopropyl 4-Hydroxy-2-methyl-;Meloxicam USP Related Compound C;1-Methylethyl 4-Hydroxy-2-methyl-2H;Meloxicam EP Impurity F (Piroxicam EP Impurity L);Piroxicam EP Impurity L (Meloxicam EP Impurity F)
CBNumber:
CB8854915
Molecular Formula:
C13H15NO5S
Molecular Weight:
297.33
MOL File:
118854-48-1.mol
MSDS File:
SDS
Modify Date:
2025/1/27 9:38:02

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide Properties

Melting point 200 °C
Boiling point 450.5±55.0 °C(Predicted)
Density 1.408
storage temp. -20°C Freezer, Under inert atmosphere
solubility Chloroform (Slightly), Methanol (Slightly)
pka 4.50±1.00(Predicted)
color White to Off-White

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS06
Signal word  Danger
Hazard statements  H301
Precautionary statements  P264-P270-P301+P310-P405-P501
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26
HS Code  2934990002

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide Chemical Properties,Uses,Production

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide Preparation Products And Raw materials

Raw materials

Preparation Products

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Isopropyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide 4-HYDROXY-2-METHYL-1H-1,2-BENZOTHIAZINE-3-CARBOXYLICACIDISOPROPYLESTER-1,1-DIOXIDE 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropylester-1,1-dioxide (intermediate of piroxicam) Isopropyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylater 1,1-dioxide Isopropyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity L) Isopropyl 4-Hydroxy-2-methyl- Meloxicam Related Compound C (30 mg) (Isopropyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide) MeloxicaM IMpurity F Isopropyl 4-Hydroxy-2-methyl- (Piroxicam Impurity L) PiroxicaM iMpurity L isopropyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide Meloxicam Impurity F(EP) Imp. F (EP): Isopropyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate1,1-Dioxide(1-Methylethyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide) propan-2-yl 4-hydroxy-2-methyl-1,1-dioxo-1λ6,2-benzothiazine-3-carboxylate Meloxicam EP Impurity F (Piroxicam EP Impurity L) Piroxicam EP Impurity L (Meloxicam EP Impurity F) 1-Methylethyl 4-Hydroxy-2-methyl-2H 2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, 1-methylethyl ester, 1,1-dioxide Piroxicam EP Impurity L (Meloxicam EP Impurity F/ Meloxicam Related Compund C) Meloxicam EP Impurity F/ Meloxicam Related Compund C (Piroxicam EP Impurity L) 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid is... Meloxicam EP Impurity F(EP) Meloxicam USP Related Compound C Isopropyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide (Meloxicam Impurity) Isopropyl 4-hydroxy-2-methyl-2H-1,2-benzothiazole-1, 1-Dioxide-3-Carboxylic Acid Ester Piroxicam EP IMP L Piroxicam EP Impurity L (Meloxicam EP Impurity F, Meloxicam USP Related Compound C) Piroxicam EP Impurity L 1-methylethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3- carboxylate 1,1-dioxide Meloxicam EP Impurity F Meloxicam USP Related Compound C 118854-48-1 Aromatics Impurities Intermediates & Fine Chemicals Pharmaceuticals Sulfur & Selenium Compounds Organic acids (intermediate of piroxicam)