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AZDye 680 Amine (FP-1726)

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Description

AZDye 680 is a bright and photostable near-IR dye that is spectrally identical to Alexa Fluor® 680 and IRDye® 680RD. AZDye 680 is often used for small animal imaging applications in the 700 nm wavelength and provides excellent clearance profiles in animals. Flow cytometry is another common application for this dye. AZDye 680 ideally suited for the 633 nm laser line. This near-IR fluorescent dye is water soluble and pH-insensitive from pH 4 to pH 10. AZDye 680 molecules can be attached to proteins at high molar ratios without significant self-quenching, leading to brighter conjugates and more sensitive detection. The long wavelength emission allows for detection in complex samples with auto-fluorescent background signals.

AZDye 680 is a carbonyl reactive building block used to modify carboxylic groups in the presence of activators (e.g. EDC, or DCC) or activated esters (e.g. NHS esters) through a stable amide bond. It also can be employed as a polar tracer, a reactive dye for labeling proteins via a carboxylic acid moiety, and amine donor for enzymatic transamination labeling.

Specifications

Unit Size1 mg, 5 mg, 25 mg, 100 mg
ReactivityAldehyde, carboxylic acid, ketone
Abs/Em Maxima678/701 nm
Extinction coefficient185,000 cm-1M-1
SolubilityWater, DMSO, DMF
Spectrally similar dyesAlexa Fluor® 680, DyLight® 680, IRDye® 680
Molecular weight884.52
Storage Conditions-20°C.
Shipping ConditionsAmbient temperature

Abs/Em Spectra

Cy5.5

Protein Labeling Calculator

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