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ChemicalBook--->CAS DataBase List--->331943-04-5

331943-04-5

331943-04-5 Structure

331943-04-5 Structure
IdentificationBack Directory
[Name]

N-De(4-sulfonaMidophenyl)-N'-(4-sulfonaMidophenyl) Celecoxib
[CAS]

331943-04-5
[Synonyms]

Celebrex B
Celecoxib-2
Isocelecoxib
Celecoxib EP Imp B
Celecoxib Related CoMpound B
Celecoxib EP Impurity B(USP RC B)
Celecoxib Impurity 4(EP Impurity B)
Celecoxib Impurity 4(Celecoxib EP Impurity B)
Celecoxib EP Impurity B (CelecoxibregioIsomer)
Celecoxib EP Impurity B/ Celecoxib Related Compound B
N-De(4-sulfonaMidophenyl)-N'-(4-sulfonaMidophenyl) Celecoxib
N-De(4-sulfonamidophenyl)-Na€-(4-sulfonamidophenyl) Celecoxib
4-(3-(p-tolyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl) benzenesulfonamide
4-[3-(4-Methylphenyl)-5-(trifluoroMethyl)-1H-pyrazol-1-yl]benzenesulfonaMide
BenzenesulfonaMide, 4-[3-(4-Methylphenyl)-5-(trifluoroMethyl)-1H-pyrazol-1-yl]-
Celecoxib Related Compound B (10 mg) (4-[3-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide)
Celecoxib impurity 2/Celecoxib EP Impurity B/4-[3-(4-Methylphenyl)-5-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide
[Molecular Formula]

C17H14F3N3O2S
[MDL Number]

MFCD21363468
[MOL File]

331943-04-5.mol
[Molecular Weight]

381.37
Chemical PropertiesBack Directory
[Melting point ]

182 - 187°C
[Boiling point ]

529.0±60.0 °C(Predicted)
[density ]

1.43±0.1 g/cm3(Predicted)
[storage temp. ]

Refrigerator
[solubility ]

DMSO (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly)
[form ]

neat
[pka]

9.68±0.10(Predicted)
[color ]

Off-White to Brown
[InChIKey]

LGIMTMFJBCXYRP-UHFFFAOYSA-N
Safety DataBack Directory
[HS Code ]

2935909550
Hazard InformationBack Directory
[Chemical Properties]

Off-White Solid
[Uses]

An isomeric impurity of Celecoxib (C251000) with selective inhibitory activity against human cyclooxygenase-2.
[Uses]

N-De(4-sulfonamidophenyl)-N’-(4-sulfonamidophenyl) Celecoxib (Celecoxib EP Impurity B) is an isomeric impurity of Celecoxib (C251000) with selective inhibitory activity against human cyclooxygenase-2. USP Celecoxib Related Compound B
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