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ONPG (2-Nitrophenyl-β-D-Galactopyranoside)

Ortho-Nitrophenyl-β-galactoside (ONPG) is a colorimetric and spectrophotometric substrate for detection of β-galactosidase activity. This compound is normally colorless. However, if β-galactosidase is present, it hydrolyzes the ONPG molecule into galactose and ortho-nitrophenol.
In Microbiology it is used in discs for the rapid detection of beta-galactosidase activity in microorganisms.

Product Details

Category Biochemicals & Diagnostics
Carbohydrates and Nucleosides
Enzyme Substrates
Microbiology Products
Price POA
CAS Number 369-07-3
Formula C12H15NO8
Molecular Weight 301.25
Purity 99.0%
Appearance White powder
Availability In Stock
Storage Conditions +4°C

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