Parecoxib Sodium Impurity 13

Name	Valdecoxib IMpurity B
Synonyms	Valdecoxib DiMer Valdecoxib IMpurity B Parecoxib Sodium Impurity 13 Valdecoxib DiMer,Valdecoxib IMpurity B Valdecoxib IMpurity-B(valdecoxib DiMer) N-[4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonyl]-4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonaMide 4-(5-methyl-3-phenylisoxazol-4-yl)-N-((4-(5-methyl-3-phenylisoxazol-4-yl)phenyl)sulfonyl)benzenesulfonamide BenzenesulfonaMide, 4-(5-Methyl-3-phenyl-4-isoxazolyl)-N-[[4-(5-Methyl-3-phenyl-4-isoxazolyl)phenyl]sulfonyl]-
CAS	1373038-60-8

Molecular Formula	C32H25N3O6S2
Molar Mass	611.69
Density	1.343±0.06 g/cm3(Predicted)
Melting Point	>271°C (dec.)
Boling Point	732.7±70.0 °C(Predicted)
Solubility	DMSO (Slightly), Methanol (Slightly)
Appearance	Solid
Color	White to Off-White
pKa	-4.23±0.40(Predicted)
Storage Condition	-20°C Freezer

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Parecoxib Sodium Impurity 13

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