Home/Compounds/Pharmaceutical Intermediate/Isopropyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide
C13H15NO5S
297.33 g/mol
Pharmaceutical IntermediateWarning
Isopropyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide
CAS118854-48-1
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate
This compound is a benzothiazine derivative featuring a hydroxyl group, an ester moiety, and a sulfone functional group. It is primarily supplied as a pharmaceutical intermediate for use in manufacturing processes.
pharmaceutical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.73
Methyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
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Referencesame scaffold
4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethylester 1,1-dioxide
CAS24683-26-9
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Isopropyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide (CAS 118854-48-1) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
propan-2-yl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate
InChIKey
ZHWSBDIYCSOTBY-UHFFFAOYSA-N
SMILES
CC(C)OC(=O)C1=C(C2=CC=CC=C2S(=O)(=O)N1C)O
Synonyms (15)
- MELOXICAM IMPURITY F (EP IMPURITY)
- Meloxicam EP Impurity F; Piroxicam EP Impurity L
- PIROXICAM IMPURITY L (EP IMPURITY)
- Piroxicam EP Impurity L(Meloxicam EP Impurity F)
- Meloxicam impurity F
- PIROXICAM IMPURITY L
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