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2-Sulfobenzaldehyde

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Description
This water-soluble aromatic aldehyde reagent is used to quantify the molar substitution ratio of HyNic-modified proteins or other biomolecules. This aromatic aldehyde reacts with HyNic-modified biomolecules and forms a quantifiable hydrazone absorbance signature at 390nm (molar extinction coefficient @ 390nm = 24,000). This signature is used to determine the number of HyNic groups incorporated in a protein or other biomolecule after modification with S-HyNic.
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