Succinimidyl 4-(p-maleimidophenyl) Butyrate


Product # CL200
Name Succinimidyl 4-(p-maleimidophenyl) Butyrate
Synonyms Sulfo Succinimidyl 4-(p-Maleimidophenyl) Butyrate, SMPB
Molecular Weight 356.32
Color & Form White to light tan solid
Melting Point 126-134° C
Solubility Soluble


100 mg $80.00
  • For other quantities or purities not listed, please request a quotation. We can offer many items in bulk or custom packaging.
  • All pricing is subject to confirmation at the time the order is placed.

Information about Succinimidyl 4-(p-maleimidophenyl) Butyrate / CAS

  • Primary amine and sulfhydryl reactive
  • Enzyme-antibody conjugation
  • Spacer arm


  1. Kitagawa, T. and Aikawa, T. (1976) J. Biochem., 79, 233.
  2. Teale, J.M. and Kearney, J.F. (1986) J. Mol. Cell. Immunol. 2, 283-292.
  3. Gitman, A.G., Graessmann, A. and Loyter, A. (1985) PNAS 82, 7309-7313.


Transportation Information Not a dangerous good

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

Featured Element: Gadolinium

Gadolinium is a brittle, silvery-white rare earth metal which is soft, ductile, and malleable.  Gadolinium was named for Finnish chemist Johan Gadolin.

Learn More

In the News

ProChem owner acquires ChemFree Defoam, LLC.

Learn More