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ChemicalBook >> CAS DataBase List >> 2-Methyl-4-hydroxy-2H-1,2-benzisothiazine-3-carboxylic acid ethyl ester-1,1-diox

2-Methyl-4-hydroxy-2H-1,2-benzisothiazine-3-carboxylic acid ethyl ester-1,1-diox

$8 - $1555
Product name: 2-Methyl-4-hydroxy-2H-1,2-benzisothiazine-3-carboxylic acid ethyl ester-1,1-diox
CAS: 35511-15-0
MF: C11H11NO5S
MW: 269.27
EINECS:252-601-4
MDL Number:MFCD00071766
Synonyms:Methyl4-hydroxy-2-methyl-2H-1,2-benzothiazine3-carboxylate1,1-dioxide ;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ACID METHYL ESTER 1,1-DIOXIDE;2-Methyl-4-hydroxy-2H-1,2-benzisothiazine-3-carboxylic acid ethyl ester-1,1-diox ;2-Methyl-4-Hydroxy-2H-1,2-Benzotiazine-3-CarboxylicAicdEthylEster-1,1-Dioxide;Methyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate;4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid methyl ester 1,1-;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE 98% MIN

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ManufacturerA2B
Product numberAI48745
Product descriptionMethyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%
Packaging5g
Price$40
Updated2026-05-25
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ManufacturerA2B
Product numberAI48745
Product descriptionMethyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%
Packaging10g
Price$77
Updated2026-05-25
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ManufacturerA2B
Product numberAI48745
Product descriptionMethyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%
Packaging250mg
Price$8
Updated2026-05-25
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ManufacturerA2B
Product numberAI48745
Product descriptionMethyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%
Packaging1g
Price$15
Updated2026-05-25
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ManufacturerA2B
Product numberAI48745
Product descriptionMethyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%
Packaging25g
Price$100
Updated2026-05-25
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ManufacturerA2B
Product numberAI48745
Product descriptionMethyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%
Packaging100g
Price$373
Updated2026-05-25
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ManufacturerA2B
Product numberAI48745
Product descriptionMethyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%
Packaging500g
Price$1473
Updated2026-05-25
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Manufactureraablocks
Product numberAA00I6Z1
Product descriptionMethyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 98%
Packaging500g
Price$1555
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I6Z1
Product descriptionMethyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 98%
Packaging5g
Price$52
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I6Z1
Product descriptionMethyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 97%
Packaging1g
Price$20
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I6Z1
Product descriptionMethyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 97%
Packaging250mg
Price$9
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I6Z1
Product descriptionMethyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 98%
Packaging100g
Price$394
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I6Z1
Product descriptionMethyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 98%
Packaging25g
Price$118
Updated2026-05-29
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Manufactureraablocks
Product numberAA00I6Z1
Product descriptionMethyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 97%
Packaging10g
Price$91
Updated2026-05-29
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ManufacturerACHEMBLOCK
Product numberW159314
Product descriptionMethyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide 97%
Packaging25G
Price$280
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberW159314
Product descriptionMethyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide 97%
Packaging100G
Price$975
Updated2026-05-27
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Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
A2B	AI48745	Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%	5g	$40	2026-05-25	Buy
A2B	AI48745	Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%	10g	$77	2026-05-25	Buy
A2B	AI48745	Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%	250mg	$8	2026-05-25	Buy
A2B	AI48745	Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%	1g	$15	2026-05-25	Buy
A2B	AI48745	Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%	25g	$100	2026-05-25	Buy
A2B	AI48745	Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%	100g	$373	2026-05-25	Buy
A2B	AI48745	Methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide 98%	500g	$1473	2026-05-25	Buy
aablocks	AA00I6Z1	Methyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 98%	500g	$1555	2026-05-29	Buy
aablocks	AA00I6Z1	Methyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 98%	5g	$52	2026-05-29	Buy
aablocks	AA00I6Z1	Methyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 97%	1g	$20	2026-05-29	Buy
aablocks	AA00I6Z1	Methyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 97%	250mg	$9	2026-05-29	Buy
aablocks	AA00I6Z1	Methyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 98%	100g	$394	2026-05-29	Buy
aablocks	AA00I6Z1	Methyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 98%	25g	$118	2026-05-29	Buy
aablocks	AA00I6Z1	Methyl 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylate 1,1-Dioxide 97%	10g	$91	2026-05-29	Buy
ACHEMBLOCK	W159314	Methyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide 97%	25G	$280	2026-05-27	Buy
ACHEMBLOCK	W159314	Methyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide 97%	100G	$975	2026-05-27	Buy

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Properties

Melting point :163-165°C
Boiling point :439.9±55.0 °C(Predicted)
Density :1.514±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,2-8°C
solubility :Chloroform (Slightly), Methanol (Slightly)
form :Solid
pka :4.50±1.00(Predicted)
color :White to Pale Yellow
Major Application :pharmaceutical (small molecule)
InChI :1S/C11H11NO5S/c1-12-9(11(14)17-2)10(13)7-5-3-4-6-8(7)18(12,15)16/h3-6,13H,1-2H3
InChIKey :NGHIOTWSWSQQNT-UHFFFAOYSA-N
CAS DataBase Reference :35511-15-0(CAS DataBase Reference)

Safety Information

Symbol(GHS):

Signal word:

Danger

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H227	Combustible liquid	Flammable liquids	Category 4	Warning	P210, P280, P370+P378, P403+P235,P501
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning
H370	Causes damage to organs	Specific target organ toxicity, single exposure	Category 1	Danger	P260, P264, P270, P307+P311, P321,P405, P501
H371	May cause damage to organs	Specific target organ toxicity, single exposure	Category 2	Warning	P260, P264, P270, P309+P311, P405,P501
H372	Causes damage to organs through prolonged or repeated exposure	Specific target organ toxicity, repeated exposure	Category 1	Danger	P260, P264, P270, P314, P501
H410	Very toxic to aquatic life with long lasting effects	Hazardous to the aquatic environment, long-term hazard	Category 1	Warning	P273, P391, P501

Precautionary statements:

P210	Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260	Do not breathe dust/fume/gas/mist/vapours/spray.
P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P270	Do not eat, drink or smoke when using this product.
P271	Use only outdoors or in a well-ventilated area.
P273	Avoid release to the environment.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313	IF SKIN irritation occurs: Get medical advice/attention.
P337+P313	IF eye irritation persists: Get medical advice/attention.
P370+P378	In case of fire: Use … for extinction.
P391	Collect spillage. Hazardous to the aquatic environment
P403+P233	Store in a well-ventilated place. Keep container tightly closed.
P403+P235	Store in a well-ventilated place. Keep cool.
P405	Store locked up.
P501	Dispose of contents/container to..…

Description

Methyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam EP Impurity J) is an impurity found in Meloxicam (M216100).

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Suppliers and manufacturers

career henan chemical co

$7.00
2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE CAS: 35511-15-0

Capot Chemical Co.,Ltd.

Henan Tianfu Chemical Co.,Ltd.

ATK CHEMICAL COMPANY LIMITED

Standardpharm Co. Ltd.

Alchem Pharmtech,Inc.

CONIER CHEM AND PHARMA LIMITED

Neostar United (Changzhou) Industrial Co., Ltd.

SIMAGCHEM CORP

Hubei Ipure Biology Co., Ltd

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2-Methyl-4-hydroxy-2H-1,2-benzisothiazine-3-carboxylic acid ethyl ester-1,1-diox

Properties

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Description

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