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Series

Product

PWA1122

Flamma® 552 Vinylsulfone

Description

  • A thiol-reactive fluorescent dye that selectively reacts with the thiol group of cysteine residues.
  • Well suited for protein conjugation that requires site-specific labeling.
  • Compared to NHS Ester, it has fewer hydrolysis side reactions, giving relatively stable labeling efficiency.

Specification

Excitation / Emission~552 / 568 nm (approximate)
Molecular Weight790.02 g/mol
ReactiveThiol-reactive · Vinylsulfone
StorageStore at 4℃ (per product label)
ApplicationSite-specific Labeling (Cysteine thiol)