Thermo Scientific™ Pierce™ BS(PEG)n Crosslinkers

Crosslink amines to amines with these long (21.7A and 35.8A) crosslinkers composed of NHS-ester groups and 5-unit or 9-unit PEG spacer arms that enhance protein solubility.

Brand: Thermo Scientific™

Manufacturer Part Number: 21582

UNSPSC: 12161502

Code: PN

Additional Details:
Additional Details: Weight: 0.01000kg Transport: UN number : 3276 Chem class : 1 Pack group : III

Product Code. 10647514

Quantity Price
1 £ 271.0 / 100mg
EU Stock 4
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Description and Specification


Spacer Arm Length 35.8Å
Formulation Bis(succinimidyl) nona(ethylene glycol); amber oil liquid
Storage Requirements Store desiccated at -20°C, equilibrate the vial to room temperature before opening.
Cleavable No
Molecular Weight 708.71
Sufficient For 141mL of typical 1X (1mM) reaction solution, or approx. 50 uses at 2mg reagent per use
Membrane Permeable No
Description Pierce BS(PEG)9
Chemical Reactivity Amine-to-Amine
PEGylated Yes
Water Soluble Yes
Quantity 100mg


  • Water-soluble polyethylene glycol (PEG) spacer arm increases solubility of crosslinked proteins
  • Excellent choice for crosslinking cell surface proteins to stabilize protein interactions
  • Reactive groups: NHS ester (homobifunctional)
  • Reactive toward: amino groups