F489500 Chemical Structure

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Pack SizeQuantityPrice (USD)Sub Total
2.5mg
$ 50.000.0
5mg
$ 90.000.0
10mg
$ 145.000.0
25mg
$ 260.000.0
100mg
$ 785.000.0
Exact Weight Packaging
$ 145.000.0
Total$ 0.0
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Product Description

Catalogue NumberF489500
Chemical NameFluorescein 5-Maleimide (90%)
Synonyms1-(3',6'-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)-1H-pyrrole-2,5-dione;
CAS Number75350-46-8
Molecular FormulaC₂₄H₁₃NO₇
AppearanceOrange to Dark Brown Solid
Melting Point>275°C (dec.)
Molecular Weight427.36
Storage-20°C, Inert atmosphere, Light sensitive
SolubilityAcetone (Slightly), DMSO (Slightly), Methanol (Slightly)
StabilityLight Sensitive
Category Standards; Fluorescent Reagents; Sulfhydryl Active Reagents;
ApplicationsFluorescent labeling reagent for proteins and peptides.
ReferencesVives, E. and Lebleu, B. : Tetrahedron Letters, 44, 5389 (2003), Li, J., et al.: Bioorg. Med. Chem. Lett., 15, 5558 (2005), Oejmeyr, L., et al.: Biochemi., 48, 2173 (2009),