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IR Fluors

Brand Name Dye  

IR 680LT Maleimide
Bright and hydrophilic, far-red-fluorescent dye excited by the 633 nm or 647 nm laser lines.
IRDye® 650

Reactivity: Primary amine

IRDye® 650 NHS Ester

Reactivity: Thiol (Cys)

IRDye® 650 Maleimide

Reactivity: alkyne, cyclooctyne

IRDye® 650 Azide

Reactivity: alkyne, cyclooctyne

IRDye® 650 Picolyl Azide

Reactivity: azide, picolyl azide

IRDye® 650 Alkyne

Reactivity: azide, picolyl azide

IRDye® 650 DBCO
IR 680LT Maleimide
Bright and photostable near-IR dye that is spectrally identical to Alexa Fluor® 680 and IRDye® 680LT.
IRDye® 680 LT

Reactivity: Primary amine

Cy5.5 NHS Ester

Reactivity: Primary amine

Cy5.5 NHS Ester
IR 680LT Maleimide
Bright, photostable and hydrophilic near-IR dye that is spectrally similar to Alexa Fluor® 750 and Cy7® Dye.
IRDye® 750

Reactivity: Primary amine

IRDye® 750 NHS Ester

Reactivity: Thiol (Cys)

IRDye® 750 Maleimide

Reactivity: alkyne, cyclooctyne

IRDye® 750 Azide

Reactivity: alkyne, cyclooctyne

IRDye® 750 Picolyl Azide

Reactivity: azide, picolyl azide

IRDye® 750 Alkyne

Reactivity: azide, picolyl azide

IRDye® 750 DBCO