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Item number: Cay26624-1
o-Nitrophenyl beta-D-galactopyranoside (ONPG) is a chromogenic substrate for beta-galactosidase. Upon enzymatic cleavage by beta-galactosidase, o-nitrophenol is released, which can be quantified by colorimetric detection at 420 nm as a measure of beta-galactosidase activity.
|Keywords:||o-Nitrophenyl beta-D-Galactoside, NSC 83631, ONPG, 2-nitrophenyl beta-D-galactopyranoside|
|Application:||Chromogenic beta-galactosidase substrate, Photometric assays|
From 32.00€ *
Item number: O7000.5
A colorimetric substrate for beta-D-glucuronidase used in the identification of E. coli and Salmonella. Synonyms: o-Nitrophenyl-beta-D-galactoside, 2-Nitrophenyl-beta-D-galactopyranoside, CAS No: 369-07-3, Molecular Formula: C12H15NO8, Molecular Weight: 301.26, Appearance: White to off-white crystalline powder,...
From 77.00€ *