SIAB

(Protein Crosslinker heterobifunctional)

CL204

N-Succinimidyl(4-iodoacetyl)aminobenzoate

Formula Weight: f.w.: 402.1 daltons

SIAB is a medium length (10.6 angstrom) crosslinker for amine to sulfhydryl conjugation via N-hydroxysuccinimide (NHS) ester and iodoacetyl reactive groups.

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Pricing & Ordering

Quantity Price Action
50mgm + $143.00
100mgm + $270.00
Product Documents


Spacer arm 10.6 angstroms. Heterobifunctional crosslinker. Amine and sulfhydryl reactive reagent. Used to make enzyme antibody conjugates.

  1. Cumber, A.J., Forrester, J.A., Foxwell, B.M.J., Ross, W.C.J. and Thorpe, P.W. (1985). Preparation of antibody-toxin conjugates. Meth. Enzymol., New York: Academic Press, 112, pp. 207-225. 
  2. Hermanson, G.T. (1996). Bioconjugate Techniques, San Diego: Academic Press, pp. 542, 553, 568.
  • Used to prepare stable enzyme-IgG conjugates
  • Forms conjugates with liposomes
  • Reactive groups: iodoacetyl and NHS ester
  • Reactive towards: sulfhydryl and amino groups