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

Modify Date: 2025-08-26 20:46:36

Isopropyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide Structure
Isopropyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide structure
Common Name Isopropyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide
CAS Number 118854-48-1 Molecular Weight 297.32700
Density 1.408 Boiling Point 450.485ºC at 760 mmHg
Molecular Formula C13H15NO5S Melting Point N/A
MSDS N/A Flash Point N/A
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name propan-2-yl 4-hydroxy-2-methyl-1,1-dioxo-1λ6,2-benzothiazine-3-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.408
Boiling Point 450.485ºC at 760 mmHg
Molecular Formula C13H15NO5S
Molecular Weight 297.32700
Exact Mass 297.06700
PSA 92.29000
LogP 2.51760

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases 26
RIDADR NONH for all modes of transport
HS Code 2934999090

 Synthetic Route

~%

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

Isopropyl-4-hyd...

CAS#:118854-48-1

Literature: US4797483 A1, ;

~67%

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

Isopropyl-4-hyd...

CAS#:118854-48-1

Literature: Patek, Marcel; Hampl, Frantisek Collection of Czechoslovak Chemical Communications, 1989 , vol. 54, # 12 p. 3267 - 3277

~51%

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

Isopropyl-4-hyd...

CAS#:118854-48-1

Literature: Patek, Marcel Collection of Czechoslovak Chemical Communications, 1990 , vol. 55, # 5 p. 1223 - 1227

~84%

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

Isopropyl-4-hyd...

CAS#:118854-48-1

Literature: Khalaj, Ali; Adibpour, Neda Heterocycles, 1999 , vol. 51, # 1 p. 131 - 135

~%

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

Isopropyl-4-hyd...

CAS#:118854-48-1

Literature: Collection of Czechoslovak Chemical Communications, , vol. 54, # 12 p. 3267 - 3277

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic isopropyl ester-1,1-dioxide
Piroxicam Impurity L
isopropyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
Meloxicam Related Compound C
Meloxicam related compound C
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