Sulpho-SMCC (3-Sulpho-N-succinimidyl-4-(N-maleimidomethyl)cyclohexane-1-carboxylate sodium salt), Pierce™

Lieferant: Thermo Fisher Scientific
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Synonyme: Sulfo SMCC

PIER22122EA 2715 EUR
PIER22122 PIER22322
Sulpho-SMCC (3-Sulpho-N-succinimidyl-4-(N-maleimidomethyl)cyclohexane-1-carboxylate sodium salt), Pierce™
Sulpho-SMCC (3-Sulpho-N-succinimidyl-4-(N-maleimidomethyl)cyclohexane-1-carboxylate sodium salt)

Thermo Scientific Pierce Sulfo-SMCC, No-Weigh Format is a water-soluble, amine-to-sulfhydryl crosslinker that contains NHS-ester and maleimide reactive groups at opposite ends of a medium-length cyclohexane spacer arm (8.3 angstroms).


  • Reactive groups: sulfo-NHS ester and maleimide
  • Reactive towards: amino and sulfhydryl groups
  • Water-soluble (compare to SMCC), so crosslinking can be done in physiologic solutions
  • High purity, crystalline reagent can be used to create high-purity maleimide-activated derivatives
  • Cyclohexane bridge confers added stability to the maleimide group making Sulfo-SMCC the ideal crosslinking agent for maleimide activation of proteins. Maleimide groups are stable for 64 hours in 0.1 M sodium phosphate buffer, pH 7 at 4°C.


Sulfosuccinimidyl-4-(N-maleimidomethyl)cyclohexane-1-carboxylate (Sulfo-SMCC) is a non-cleavable and membrane impermeable crosslinker. It contains an amine-reactive N-hydroxysuccinimide (NHS ester) and a sulfhydryl-reactive maleimide group. NHS esters react with primary amines at pH 7-9 to form stable amide bonds. Maleimides react with sulfhydryl groups at pH 6.5-7.5 to form stable thioether bonds. The maleimide groups of Sulfo-SMCC and SMCC are unusually stable up to pH 7.5 because of the cyclohexane bridge in the spacer arm. Because it contains the hydrophilic sulfonyl moiety, Sulfo-SMCC is soluble up to ∼10 mM in water and many commonly used buffers, thus avoiding the use of organic solvents which may perturb protein structure.


Bitte beachten For Research Use Only. Not for use in diagnostic procedures.

Formel: C₁₆H₁₈N₂O₉S
Molecular Weight: 436,37 g/mol
Schmelzpunkt: 179 °C
Lagertemperatur: Gefrierschrank
MDL: MFCD00054978
CAS-Nummer: 92921-24-9

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Spezifikation Testergebnisse

Product Line Pierce™
Labeling Method Chemical Labeling
Crosslinker Type Heterobifunctional
Reactive Moiety Maleimide, Sulfo-NHS Ester
Spacer Short
Form Powder
Quantity 50 mg/1 g
Type Crosslinker
Solubility Water

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