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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

APIs from A to Z →

Results 6,531-6,540 of 36,550

Parecoxib Impurity 12

ImpurityLevels of characterisation
Cat. No.
P-P022-022
Formula
C17H15NO4S
Family
Parecoxib
Synonyms
Methyl 4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonate

Parecoxib Impurity 14

ImpurityLevels of characterisation
Cat. No.
P-P022-024
Formula
C18H15N2NaO4S
Family
Parecoxib
Synonyms
Sodium (1E)-N-[4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)phenyl]sulfonylethanimidate

Parecoxib Impurity 18

ImpurityLevels of characterisation
Cat. No.
P-P022-028
Formula
C22H23N3O7S2
Family
Parecoxib
Synonyms
N-[2-[5-Methyl-3-[2-(propanoylsulfamoyl)phenyl]-1,2-oxazol-4-yl]phenyl]sulfonylpropanamide

Parecoxib Impurity 19

ImpurityLevels of characterisation
Cat. No.
P-P022-029
Formula
C22H23N3O7S2
Family
Parecoxib
Synonyms
N-[4-[5-Methyl-3-[2-(propanoylsulfamoyl)phenyl]-1,2-oxazol-4-yl]phenyl]sulfonylpropanamide

Parecoxib Impurity 21

ImpurityLevels of characterisation
Cat. No.
P-P022-031
Formula
C22H23N3O7S2
Family
Parecoxib
Synonyms
N-[4-[5-Methyl-3-[4-(propanoylsulfamoyl)phenyl]-1,2-oxazol-4-yl]phenyl]sulfonylpropanamide

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