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Catalog ID 7118 / 100 mg

Benzophenone-4-maleimide

AKA: 4(N-maleimido)benzophenone
Formula Weight CAS#
C17H11NO3 277.27 92944-71-3
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A heterobifunctional cross-linking probe containing a sulfhydryl-specific group and a photo-active group. Typically, coupled initially by thioether to molecule containing free sulfhydryl. Second conjugation occurs during UV irradiation (250 nm) via diradical excited state. Benzophenones demonstrate greater specificity for C-H insertion and are more stable in water than analogous reagents. In general they are more efficient in attachment because they may be repeatedly irradiated; however, a more intense irradiation may be required. The benzophenone is not sensitive to reduction compared to analogous reagents.

Product Size 100 mg
Form Off White solid
Absorption (estimated) Wavelength (λmax) 261 ± 3 nm (0.2 M HCl / Methanol)
Storage conditions Freeze: Store at -5 to -30°C (F) Protect from moisture (D) Protect from light (L)
MDL# MFCD00079465

* 4(N-maleimido)benzophenone

Reactive Probes and Related Products:   CrossLinker (Heterobifunctional/Homobifunctional)
Reactive Probes and Related Products:   Thiol-Reactive (Haloacetamide/Halobenzyl and Maleimide)

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 52335 16-Feb-2023
Lot 50447 08-May-2015

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