ChemicalBook > CAS DataBase List > 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

Product Name
4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide
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
Formula Weight
297.33
MOL File
118854-48-1.mol
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4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide Property

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
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26
HS Code 
2934990002
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
1379434
Product name
Meloxicam Related Compound C
Packaging
30mg
Price
$1580
Updated
2024/03/01
TRC
Product number
I824600
Product name
Isopropyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate1,1-Dioxide(PiroxicamImpurityL)
Packaging
10mg
Price
$180
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
API0027977
Product name
ISOPROPYL-4-HYDROXY-2-METHYL-2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE-1,1-DIOXIDE
Purity
95.00%
Packaging
5MG
Price
$497.95
Updated
2021/12/16
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4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide Chemical Properties,Usage,Production

Uses

Piroxicam Impurity L. Also an impurity found in meloxicam (M216100). Meloxicam USP Related Compound C.

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

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118854-48-1, 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxideRelated Search:


  • 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
  • Meloxicam Impurity F(EP)
  • 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide
  • 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-1λ<sup>6</sup>,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)
  • 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
  • Isopropyl 4-hydroxy-2-methyl-2H-1,2-benzothiazole-1, 1-Dioxide-3-Carboxylic Acid Ester
  • Piroxicam EP IMP L
  • 118854-48-1
  • Aromatics
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Sulfur & Selenium Compounds
  • Organic acids
  • (intermediate of piroxicam)