ChemicalBook > CAS DataBase List > Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Product Name
Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
CAS No.
24683-26-9
Chemical Name
Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
Synonyms
2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-1,1-DIOXIDE-3-CARBOXYLIC ACID ETHYL ESTER;Piroxicam Impurity K;2-Methyl-4-hydroxy-2H-1;Meloxicam USP Related Compound A;Ethyl 4-Hydroxy-2-methyl-2H-1,2-ben;MeloxicaM IMpurity A(EP) (USP RC A);Meloxicam usp RC A/Meloxicam EP IMP A;2-benzothiazine-3-carboxylic acid ethyl ester-1;Piroxicam EP Impurity K(Meloxicam EP Impurity A);Meloxicam EP Impurity-A / Meloxicam Related Compound-A
CBNumber
CB2411196
Molecular Formula
C12H13NO5S
Formula Weight
283.3
MOL File
24683-26-9.mol
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Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide Property

Melting point:
140-144 °C (lit.)
Boiling point:
448.1±55.0 °C(Predicted)
Density 
1.458±0.06 g/cm3(Predicted)
storage temp. 
2-8°C
solubility 
Dichloromethane (Slightly), DMSO (Slightly), Methanol (Slightly)
pka
4.50±1.00(Predicted)
CAS DataBase Reference
24683-26-9(CAS DataBase Reference)
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Safety

Hazard Codes 
T
Risk Statements 
23
Safety Statements 
45
RIDADR 
UN 2811 6.1/PG 2
WGK Germany 
2
RTECS 
DL0710425
HS Code 
2934990002
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H331Toxic if inhaled

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
PHR2500
Product name
Meloxicam Related Compound A
Purity
PharmaceuticalSecondaryStandard;CertifiedReferenceMaterial
Packaging
50MG
Price
$668
Updated
2024/03/01
Sigma-Aldrich
Product number
552429
Product name
Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate
Purity
97%
Packaging
25g
Price
$371
Updated
2024/03/01
Sigma-Aldrich
Product number
1379412
Product name
Meloxicam Related Compound A
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
25mg
Price
$1490
Updated
2024/03/01
Sigma-Aldrich
Product number
Y0001035
Product name
Meloxicam impurity A
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0001035
Price
$220
Updated
2024/03/01
TRC
Product number
E918980
Product name
Ethyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate1,1-Dioxide
Packaging
25g
Price
$290
Updated
2021/12/16
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Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide Chemical Properties,Usage,Production

Chemical Properties

White to Off-White Solid

Uses

Piroxicam impurity K. Also an impurity found in meloxicam (M216100).

Hazard

Low toxicity by ingestion and inhalation.

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide Preparation Products And Raw materials

Raw materials

Preparation Products

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Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide Suppliers

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View Lastest Price from Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Piroxicam Impurity K 24683-26-9
Price
US $0.00-0.00/Kg/Drum
Min. Order
1KG
Purity
98%min
Supply Ability
500KGS
Release date
2021-11-08
Career Henan Chemical Co
Product
Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 24683-26-9
Price
US $1.00/KG
Min. Order
1KG
Purity
98% HPLC
Supply Ability
10 tons
Release date
2020-02-14

24683-26-9, Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxideRelated Search:

Methylparaben Phenothiazine Rutile Thiourea dioxide Methyl acrylate Quartz Thiophanate-methyl Hydrochlorothiazide Buprofezin Kresoxim-methyl Bensulfuron methyl RESMETHRIN CHLOROPHOSPHONAZO III Chlorine dioxide Thiamethoxam Carbon dioxide 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide Methyl

  • (4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl)1,1-dioxide
  • Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity K)
  • 2-benzothiazine-3-carboxylic acid ethyl ester-1
  • 2-Methyl-4-hydroxy-2H-1
  • Meloxicam Related Compound A (25 mg) (ethyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate- 1,1-dioxide)
  • MeloxicaM IMpurity A(EP) (USP RC A)
  • Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate 97%
  • ETHYL 4-HYDROXY-2-METHYL-1,1-DIOXO-2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE
  • 2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZE-3-CAPROXYLIC ACID-1,1-DIOXIDE ETHYL ESTER
  • 2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-1,1-DIOXIDE-3-CARBOXYLIC ACID ETHYL ESTER
  • 2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ETHYL ESTER-1,1-DIOXIDE
  • Imp. A (EP): Ethyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide
  • 2h-1,2-benzothiazine-3-carboxylicacid,4-hydroxy-2-methyl-,ethylester,1,1-d
  • 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethylester-1,1-dioxide (intermediate of piroxicam)
  • 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-d
  • Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
  • 4-HYDROXY-2-METHYL-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ACID, 1,1-DIOXIDE, ETHYL ESTERPIROXICAM
  • Ethyl4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylta 1,1-dioxide
  • 2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ACID, 3,4-DIHYDRO-4-HYDROXY-2-METHYL-, ETHYL ESTER, 1,1-DIOXIDE
  • 4-HYDROXY-2-METHYL-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ACID ETHYL ESTER-1,1-DIOXIDE
  • Ethyl 4-Hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-
  • Meloxicam USP Related Compound A
  • Ethyl 4-Hydroxy-2-methyl-2H-1,2-ben
  • 2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, ethylester, 1,1-dioxide
  • ETHYL 4-HYDROXY-2-METHYL-2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE 1,1-DIOXIDE (MELOXICAM INTERMEDIATE) / CAS:24683-26-9
  • Piroxicam Impurity K
  • Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-ca...
  • Meloxicam Related Compound A (ethyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate- 1,1-diox (1379412)
  • 4-Hydroxy, 2-Methyl, 2h,1,2-Benzothiazine Carboxylic Acid Ethyl Ester-1,1-dioxide
  • Piroxicam EP Impurity K(Meloxicam EP Impurity A)
  • Meloxicam usp RC A/Meloxicam EP IMP A
  • Meloxicam EP Impurity A (Piroxicam EP Impurity K, Meloxicam USP Related Compound A)
  • Meloxicam EP Impurity-A / Meloxicam Related Compound-A
  • Piroxicam EP Impurity K Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
  • Meloxicam EP Impurity A Meloxicam USP Related Compound A
  • 24683-26-9
  • C14H13ClFNO3
  • Heterocyclic Building Blocks
  • Thiazines
  • Building Blocks
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Sulfur & Selenium Compounds
  • Aromatics Compounds
  • Aromatics
  • Heterocycles
  • Building Blocks
  • Heterocyclic Building Blocks
  • Thiazines
  • Organic acids
  • API intermediates
  • (intermediate of piroxicam)