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Biotinylation Reagents

Biotin-SS-Sulfo-Osu | CAS 325143-98-4

Catalog: TASK-36-1000573   CAS NO.: 325143-98-4
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Description

Biotin-SS-Sulfo-Osu (N-[[2-(Biotinylamino)ethyl]dithiopropionyloxy]sulfosuccinimide, sodium salt) is used to biotinylate proteins or peptides containing primary amines (e.g., lysine residues). The NHS ester reacts with primary amines to form stable amide bonds, attaching biotin to the biomolecule. The disulfide bond allows for reversible linkage under reducing conditions, facilitating release or exchange of the biotinylated molecule. The SS in Biotin-SS-Sulfo-Osu refers to a disulfide bond (-S-S-), which is a covalent bond formed between two sulfur atoms. Disulfide bonds can be cleaved under reducing conditions, such as with dithiothreitol (DTT) or tris(2-carboxyethyl)phosphine (TCEP), allowing for controlled release or activation of biotinylated molecules.

Specifications

CAS No.325143-98-4
FormulaC19H27N4NaO9S4
Molecular Weight606.7
Purity>98%
Ship Within1 week
Storage Temp.-20℃
Shipping4-25℃ for up to 3 weeks
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