Protein Labeling Reagents

Thermo Scientific™ Alexa Fluor™ 420 NHS Ester (Succinimidyl Ester)

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Alexa Fluor 420 NHS Ester is an amine-reactive dye optimized for multiplex IHC and spatial biology. A long Stokes shift and 420/500 ex/em make it a good match for the CFP filter.

Atto 633 NHS Ester BioReagent, Suitable for Fluorescence, 90% (Coupling to Amines), MilliporeSigma™ Supelco™

Molecular Probes™ Alexa Fluor™ 488 5-SDP Ester (Alexa Fluor™ 488 Sulfodichlorophenol Ester)

Alexa Fluor™ 488 5-SDP ester (Alexa Fluor™ 488 sulfodichlorophenol ester)

Invitrogen™ Alexa Fluor™ 594 Biocytin, Sodium Salt (Biocytin Alexa Fluor™ 594)

Alexa Fluor™ 594 biocytin, sodium salt (biocytin Alexa Fluor™ 594)

Invitrogen™ Tetramethylrhodamine Cadaverine, 5-(and-6)-((N-(5-Aminopentyl) Amino) Carbonyl) Tetramethylrhodamine, mixed isomers

Tetramethylrhodamine Cadaverine, 5-(and-6)-((N-(5-Aminopentyl) Amino) Carbonyl) Tetramethylrhodamine, mixed isomers

Molecular Probes™ Alexa Fluor™ 555 alkyne, Triethylammonium Salt

Alexa Fluor™ 555 alkyne, triethylammonium salt

Invitrogen™ Alexa Fluor™ 546 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 546 is a bright yellow dye. Used in imaging and flow cytometry, Alexa Fluor™ 546 dye is water soluble and pH-insensitive from pH 4 to pH 10.

Invitrogen™ Alexa Fluor™ 568 C₅ Maleimide

Alexa Fluor™ 568 is a bright, orange/red fluorescent dye with excitation ideally suited for the 568 nm laser line on the Ar-Kr mixed-gas laser.

Invitrogen™ Alexa Fluor™ 660 C₂ Maleimide

Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 660 dye is water soluble and pH-insensitive from pH 4 to pH 10.

Invitrogen™ Alexa Fluor™ 488 5-TFP (Alexa Fluor™ 488 Carboxylic Acid, 2,3,5,6-Tetrafluorophenyl Ester), 5-isomer

Alexa Fluor™ 488 5-TFP (Alexa Fluor™ 488 Carboxylic Acid, 2,3,5,6-Tetrafluorophenyl Ester), 5-isomer

Molecular Probes™ Alexa Fluor™ 610-X NHS Ester (Succinimidyl Ester)

Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 610-X dye is water soluble and pH-insensitive from pH 4 to pH 10.

Molecular Probes™ Alexa Fluor™ 790 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 790 is a bright and photostable near-IR dye that is spectrally similar to indocyanine green (ICG) and the IRDye™ 800 dye.

Invitrogen™ Alexa Fluor™ 647 Hydroxylamine

Alexa Fluor™ 647 Hydroxlamine is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

Invitrogen™ Alexa Fluor™ 405 Cadaverine

Alexa Fluor™ 405 Cadaverine is useful as a polar tracer and as a reactive dye for labeling proteins via a carboxylic acid moiety.

Molecular Probes™ Alexa Fluor™ 790 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 790 is a bright and photostable near-IR dye that is spectrally similar to indocyanine green (ICG) and the IRDye™ 800 dye.