Does indocyanine green (ICG) have a charge? | AAT Bioquest

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Does indocyanine green (ICG) have a charge?

Posted August 12, 2021

Chemical Reagents Classic Dyes

Answer

Indocyanine green (ICG) is an anion. It has a negative charge.

ICG is a tricarbocyanine dye with a molecular weight of 775 Da. Its molecular formula is C₄₃H₄₇N₂NaO₆S₂.

Additional resources

Development of a Human Photoacoustic Imaging Reporter Gene Using the Clinical Dye Indocyanine Green ICG acid

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