Thermo Scientific™ EZ-Link™ NHS-PEG4-Biotin and Labeling Kits

Biotinylate protein amines and maximize solubility of proteins with this long (29.0A) NHS-ester biotinylation reagent containing a pegylated, water-soluble spacer arm.

Brand: Thermo Scientific™

Manufacturer Part Number: 21955


UNSPSC: 41115824

Code: PN

Additional Details:
Additional Details: Weight: 0.10000kg

Product Code. 10015883

Quantity Price
1 £187.00 / 1 set
EU Stock 3
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Description and Specification


Chemical Reactivity Amine
Cleavable No
Description EZ-Link Micro NHS-PEG4-Biotinylation Kit
Formulation Multi-component kit with NHS-PEG4-Biotin
Kit Contents EZ-Link NHS-PEG4-Biotin, 8 x 2mg
Molecular Weight 588.67
Membrane Permeable No
PEGylated Yes
Spacer Arm Length 29
Quantity 8 rxn kit
Sufficient For 8 labeling reactions, each with 0.05-0.2mg of antibody
Storage Requirements Store in original bottle at 4°C with desiccant
Water Soluble Yes


  • Water-soluble polyethylene glycol (PEG) spacer arm increases solubility of labeled protein
  • Prevents aggregation of antibodies better than Sulfo-NHS-LC-Biotin
  • Labels at N-terminus or lysine residues in less than 1 hour
  • Thermo Scientific No-Weigh Packaging (8 x 2mg) saves time - preserves reagent activity and prevents cross-contamination between use


Technical documents