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24683-26-9

24683-26-9 Structure

24683-26-9 Structure
IdentificationMore
[Name]

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

24683-26-9
[Synonyms]

2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ACID, 3,4-DIHYDRO-4-HYDROXY-2-METHYL-, ETHYL ESTER, 1,1-DIOXIDE
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 ACID ETHYL ESTER-1,1-DIOXIDE
2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC 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-3-CARBOXYLATE
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
(4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl)1,1-dioxide
[EINECS(EC#)]

246-403-7
[Molecular Formula]

C12H13NO5S
[MDL Number]

MFCD00190168
[Molecular Weight]

283.3
[MOL File]

24683-26-9.mol
Chemical PropertiesBack Directory
[Appearance]

White to Off-White Solid
[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)
[form ]

neat
[pka]

4.50±1.00(Predicted)
[InChI]

1S/C12H13NO5S/c1-3-18-12(15)10-11(14)8-6-4-5-7-9(8)19(16,17)13(10)2/h4-7,14H,3H2,1-2H3
[InChIKey]

QWTNANUGXZEPFQ-UHFFFAOYSA-N
[SMILES]

CCOC(=O)C1=C(O)c2ccccc2S(=O)(=O)N1C
[CAS DataBase Reference]

24683-26-9(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

T
[Risk Statements ]

R23:Toxic by inhalation.
[Safety Statements ]

S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

UN 2811 6.1/PG 2
[WGK Germany ]

2
[RTECS ]

DL0710425
[REACH Registrations]

Active
[HS Code ]

2934990002
[Storage Class]

6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
[Hazard Classifications]

Acute Tox. 3 Inhalation
Hazard InformationBack Directory
[Hazard]

Low toxicity by ingestion and inhalation.
[Chemical Properties]

White to Off-White Solid
[Uses]

Piroxicam impurity K. Also an impurity found in meloxicam (M216100).
Spectrum DetailBack Directory
[Spectrum Detail]

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide(24683-26-9)IR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

24683-26-9(sigmaaldrich)
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