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Chromogenic Substrate

DTNB Ellman's Reagent


5,5'-Dithio-bis ( 2-nitrobenzoic acid )
CAS# [ 69-78-3 ]
Chromogenic Substrate

TMB ( Free base )


3,3',5,5'-Tetramethylbenzidene
CAS# [ 54827-17-7 ]
Chromogenic Substrate

TMB dihydrochloride


3,3',5,5'-Tetramethylbenzidene dihydrochloride
CAS# [ 64285-73-0 ]
Chromogenic Substrate

X-GAL


5-Bromo-4-chloro-3-indolyl-beta-D-galactoside, 99+%
CAS# [ 7240-90-6 ]
Chromogenic Substrate

X-GLUC chx salt


5-Bromo-4-chloro-3-indolyl-beta-D-gluuronide cyclohexylammonium salt
CAS#
1