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You are here:Home » Molecular Biology » MB-Fluorescent Labels » 2-[(5-Fluoresceinyl)aminocarbonyl]ethyl Mercaptan

2-[(5-Fluoresceinyl)aminocarbonyl]ethyl Mercaptan


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Catalog #F5254
AtmosphereInert gas
max. Abs.= 492nm; max. Em. = 515nm
Melting Point> 200° (decomposes)
Elemental AnalysisCalculated: 63.44% C; 3.94% H; 3.22% N
Found: 62.8% C; 3.84% H; 3.10% N (values may differ from lot to lot)
Water Content~2.4%
Method for Determining IdentityProton NMR (DMSO-d6) and MS
TLC ConditionsSiO2; Dichloromethane : Methanol : Acetic Acid (9 :1 :0.2). Visualized with UV, AMCS and naked eye (single spot; Rf=0.50).
Storage and StabilityStore at -20°C under inert atmosphere. Caution: Hygroscopic. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
CAS Number887355-27-3
Molecular FormulaC23H17NO6S
Molecular Weight435.45
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Toxicity and Hazards All products should be handled by qualified personnel only, trained in laboratory procedures.

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