C17H14F3N3O2S
381.4 g/mol
APIWarning
Celecoxib EP Impurity B
CAS331943-04-5
Category
API
Compound Class
Aromatic
Primary Use
Pharmaceutical Raw Material
Celecoxib EP Impurity B is a specified impurity of the active pharmaceutical ingredient celecoxib, identified as This compound. It is used as a reference standard or analytical marker in pharmaceutical quality control and impurity profiling.
Reference standard for pharmaceutical quality controlAnalytical marker in impurity profiling of celecoxib
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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CAS 331943-04-5
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Safety Reference
Warning
H302Harmful if swallowed
Identifiers
IUPAC Name
4-[3-(4-methylphenyl)-5-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide
InChIKey
LGIMTMFJBCXYRP-UHFFFAOYSA-N
SMILES
CC1=CC=C(C=C1)C2=NN(C(=C2)C(F)(F)F)C3=CC=C(C=C3)S(=O)(=O)N
Synonyms (12)
- Benzenesulfonamide, 4-[3-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]-; Celecoxib Imp. B (EP); Celecoxib RC B (USP); Celecoxib Related Compound B; Celecoxib Impurity B
- Celecoxib EP Impurity B
- Celecoxib Impurity B
- Celecoxib impurity B CRS