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Cyanine3B carboxylic acid

Home / Fluorescent Dyes / Carboxylic Acids / Cyanine3B carboxylic acid

Cyanine3B carboxylic acid

Cy3B carboxylic acid is a yellow-emitting cyanine dye that is an improved version of the Cyanine3 fluorophore with significantly higher fluorescence quantum yield and photostability.

Category: Carboxylic Acids
  • Applications
  • Product Overview
  • Specifications
  • Additional information
  • Reviews (0)

Applications

Cyanine3B serves as an exemplary reference standard in experimental settings, distinguished by its enhanced attributes such as elevated fluorescence quantum yield and superior photostability. Additionally, Cyanine3B carboxylic acid proves valuable for synthesizing activated esters or undergoing modifications with hydrazines, hydroxylamines, and amines, facilitating subsequent conjugation with biomolecules.

Product Overview

Appearance: Dark red powder
Solubility: DMF, DMSO
Excitation max (λex): 559
Emission max (λem): 571
Extinction coefficient (ε): 121000
Fluorescence quantum yield: 0.68

Specifications

MW560.67
MFC31H32N2O6S
FormatPowder / liquid
Product typeFluorescent dye
For use with (instrument/Application)NA
Shipping ConditionRoom Temperature (up to 3 weeks)
Storage -20°C (under dark, up to 24 months)
Quality check1H NMR, HPTLC

Additional information

Unit

10mg, 1mg, 25mg, 5mg

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