Products 24683-26-9

CAS 24683-26-9 appears in our catalog under these names: 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide, 98%, Meloxicam EP Impurity A (Piroxicam EP Impurity K, Meloxicam USP Related Compound A), Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity K), >95% (HPLC), 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, ethyl ester 1,1-dioxide. Offered by: Combi-blocks, Chemat Brand, TRC, Mikromol, Biosynth. Available pack sizes: 10g, 100g, 25g, 5g, 1g, on request, 25mg, 100mg.

2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide, 98%
Combi-blocks
  • size: 10g, 100g, 25g, 5g
  • Variants: 5
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Meloxicam EP Impurity A (Piroxicam EP Impurity K, Meloxicam USP Related Compound A)
Chemat Brand
  • size: on request
  • Variants: 1
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Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity K), >95% (HPLC)
TRC
  • size: 5g
  • Variants: 1
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Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide
Mikromol
  • size: 25mg, 100mg
  • Variants: 2
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4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid, ethyl ester 1,1-dioxide
Biosynth
  • size: 25g, 10g, 50g, 5000g
  • Variants: 5
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EcMetAP1-IN-1 98%
Ambeed
  • size: 5g, 25g, 100g, 500g
  • Variants: 4
from 120.06
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ETHYL 4-HYDROXY-2-METHYL-1,1-DIOXO-2H&
Sigma-Aldrich
  • size: 25G
  • Variants: 1
from 1670.00
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EcMetAP1-IN-1, 99.34%
MedChemExpress
  • size: 5 g, 10mM/1mL, 10 g
  • Variants: 3
from 240.74
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Meloxicam Impurity 1（Meloxicam EP Impurity A）
Hubei YoungXin
  • size: 10mg, 25mg, 50mg, 100mg
  • Variants: 5
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Piroxicam Impurity 11（Piroxicam EP Impurity K）
Hubei YoungXin
  • size: 10mg, 25mg, 50mg, 100mg
  • Variants: 5
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Structural formula: {0} (CAS {1})

Ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate (CAS 24683-26-9) is a chemical compound with the molecular formula C12H13NO5S and a molecular weight of 283.30 g/mol. IUPAC name: ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate. InChIKey: QWTNANUGXZEPFQ-UHFFFAOYSA-N.

Identity
Molecular formulaC12H13NO5S
Molecular weight283.30 g/mol
IUPAC nameethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate
InChIKeyQWTNANUGXZEPFQ-UHFFFAOYSA-N
SMILESCCOC(=O)C1=C(C2=CC=CC=C2S(=O)(=O)N1C)O

Computed by PubChem (NCBI)

Synonyms: 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 ethylester 1,1-dioxide, MELOXICAM IMPURITY A [EP IMPURITY], PIROXICAM IMPURITY K [EP IMPURITY], MELOXICAM IMPURITY A (EP IMPURITY), PIROXICAM IMPURITY K (EP IMPURITY), Ethyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide, ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate, Piroxicam Impurity K, 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester1,1-dioxide
Isomers (same molecular formula)
propan-2-yl 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate C12H13NO5S
propan-2-yl 4-hydroxy-1,1-dioxo-2H-1lambda6,2-benzothiazine-3-carboxylate C12H13NO5S
3-(1,3-dioxoisoindol-2-yl)propyl methanesulfonate C12H13NO5S
methyl 4-methoxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate C12H13NO5S