N-Succinimidyl 4-(4-maleimidophenyl)butyrate (SMPB crosslinking reagent) is a heterobifunctional protein crosslinker reactive toward sulfhydryl and amino groups. The SMPB crosslinking reagent is an extended chain length analog of the MBS crosslinking reagent. SMPB protein crosslinking agent's spacer arm is non cleavable.

Molecular Weight: 356.3

Spacer Length: 11.6 Å

CAS Number: 79886-55-8

Alternative Name: 4-(4-Maleimidophenyl)butyric acid N-hydroxysuccinimide ester

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