[Dyes & Labeling/Fluorescent Dyes/Fluorescein Derivatives/Thiol-Reactive] Fluorescein-5-maleimide (5-F-MI) [TF-0110-D025.0-001][CAS no. 75350-46-8]_emp Biotech - 코아사이언스

 

Fluorescein-5-maleimide (5-F-MI)

Cat.# TF-0110-D025.0-001 / Size: 25mg

Thiol-reactive fluorescein derivative for fluorescence derivatization, especially for labeling of cysteines and thiol-modified oligos.

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Properties

CAS-Number:	75350-46-8
Molecular Weight:	427.4
Empirical Formula:	C24H13NO7
Absorption [nm]:	492 ± 3
Emission [nm]:	513 ± 3
ε [M-1 cm-1]:	>80 000
Buffer System for Fluorescence Readings:	T&S Buffer, pH 9
Solubility:	DMF
Appearance (colour):	yellow orange
Appearance (form):	solid (powder)
Storage:	- 20 °C. Keep dry! Keep away from light, especially in solution!
Name:	5-(2,5-Dioxo-2,5-dihydro-pyrrol-1-yl)-2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-benzoic acid
Trade name:	Fluorescein-5-maleimide, 5-FMI
Reactive Moiety:	Maleinimid, reacts with thiol to form a stable thioether linkage

Description

Readily reacts with the thiol group found on cysteine or with thiol-modified oligonucleotides to form a stable carbon-sulfur bond.

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