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Catalog ID 6631 / 25 mg

SAMSA Fluorescein *Mixed isomers*

AKA: 5-((2-(or-3)-S-(Acetylmercapto)succinoyl)amino)fluorescein
Formula Weight CAS#
C26H19NO9S 521.50 N/A
For 25+ Units, Contact us.

SAMSA fluorescein is a fluorescent probe that SH group is protected as acetyl protecting group and it can be deprotected with base to generate Thiol-containing fluorescein which then can be conjugated to protein and for assaying maleimide and iodoacetamide moieties on proteins.

Product Size 25 mg
Form orange
Absorption (estimated) Wavelength (λmax) 493 ± 3 nm (Buffer pH 10)
Fluorescence (estimated) Wavelength (λmax) 518 ± 4 nm (*Buffer pH 10)
Storage conditions Freeze: Store at -5 to -30°C (F) Protect from moisture (D) Protect from light (L)
MDL#

* 5-((2-(or-3)-S-(Acetylmercapto)succinoyl)amino)fluorescein
* 5-((2-(or-3)-S-(acetylmercapto)succinoyl)amino)fluorescein

Fluorescent Probes and Related Products:   Fluorescein, Naphthofluorescein and seminaphthofluorescein
Reactive Probes and Related Products:   Probes for detecting Haloacetamide and Maleimide, etc.

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 50967 21-Sep-2016
Lot 50309 03-Feb-2015

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