Biotinylation Reagents

NHS-Biotin
(NHydroxysuccinimidobiotin)
Water-insoluble analog of Sulfo-NHS-Biotin

M.W. 341.38
Spacer Arm 13.5 Â

Features/Benefits
- Forms stable amide bonds
- Reacts with primary amines at pH 7-9
- Must be dissolved in DMSO or DMF and can then be transferred to an aqueous reaction solution
- Contains a shorter spacer arm than NHS-LC-Biotin
- Penetrates cell membranes