Biotinylation reagent with very long 12 PEG spacer. Has a carboxyl group with a free –OH that can react with activated surfaces or can be converted to another reactive functionality. Can be used to link to biotinylate proteins with free amine groups using a cross linker such as EDC.

≥96%

Soluble in DMSO or water. Prepare aqueous stock solutions immediately before use, anhydrous stock solutions can be stored for several days at -20˚C.

White to off-white solid. May appear sticky.

At least 2 years from date of receipt when stored at -20˚C. Protect from moisture. Store with desiccant.

Useful for biotinylation of reagents.

Protect from moisture. Store with desiccant.

PEG Product, Biotin

Biotinylation Reagent