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Medchemexpress LLC 4-nitrophenyl alpha-D-galactopyranoside | 7493-95-0 | MFCD00065050 | >98.0% | 301.25 g/mol | C12H15NO8 | 250 MG
Supplier: Medchemexpress LLC 250MGHYW039911
4-Nitrophenyl α-D-galactopyranoside is a chromogenic substrate used to measure α-galactosidase activity. Enzymatic hydrolysis liberates p-nitrophenol, producing a yellow product that is quantified spectrophotometrically (≈405 nm), enabling straightforward colorimetric and kinetic assays in biochemical research and enzymology.
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