Oligo Synthesis : Reagents, Labelling

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sulfoCyanine 5 NHS Ester

sulfoCyanine 5 NHS Ester (1-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-3,3-dimethyl-2-[5-(1,3,3-trimethyl-5-sulfonatoindol-1-ium-2-yl)penta-2,4-dienylidene]indole-5-sulfonic acid, potassium salt)

Glen Research

Catalogue No.	Description	Pack Size	Price	Qty	Change to:
50-5915-22	sulfoCyanine 5 NHS Ester	3.9mg	�172.50	Quantity	Add

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sulfoCyanine 5 NHS Ester - (50-5915)

1-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-3,3-dimethyl-2-[5-(1,3,3-trimethyl-5-sulfonatoindol-1-ium-2-yl)penta-2,4-dienylidene]indole-5-sulfonic acid, potassium salt

Product Specifications

Formula:

C₃₆H₄₀KN₃O₁₀S₂

M.W.:

777.95

F.W.:

624.77

Description

Cyanine 5 is a popular indocyanine fluorophore that exhibits low, non-specific binding and relatively pH-independent fluorescence. This NHS ester version allows for post-deprotection labeling, and unlike the phosphoramidite version, contains 2 sulfonate substitutions directly on the indocyanine nuclei. The sulfonates make the Cyanine 5 less susceptible to aggregation and do not significantly change the fluorescent properties of the dye.

Details