Protein Labeling Reagents

Various reagents designed to selectively label target proteins. Products include classic dyes, radioisotope labels, biotinylation reagents, fluorescent labels, molecular probes, assays, and labeling kits.

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Thermo Scientific™ Pierce™ Premium Grade Sulfo-NHS-LC-Biotin

Optimize applications where product integrity and risk minimization are paramount with our highest quality formulation of this popular amine-reactive biotinylation reagent.

Pricing and Availability
Specifications

Cell Permeability	Cell-Impermeant
Content And Storage	Upon receipt store desiccated at -20° C. Product is shipped at ambient temperature.
Product Type	Sulfo-NHS-LC-Biotin
Spacer	Mid-length
Label or Dye	Biotin
Solubility	DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Reactive Moiety	Active Ester, Succinimidyl Ester, Sulfo-NHS Ester
Label Type	Biotin & Analogs
Chemical Reactivity	Amine
Product Line	Pierce

Atto 594 Maleimide BioReagent, Suitable for Fluorescence, 80% (Coupling Rate), MilliporeSigma™ Supelco™

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MilliporeSigma™ Calbiochem™ β-Cyclodextrin

Homogeneous cyclic α1,4-linked D-glucopyranose units in a seven-member ring. Forms clathrates. Suitable for use with dansyl chloride to form water-soluble complexes for fluorescent labeling of proteins.

Pricing and Availability
Specifications

Content And Storage	Following reconstitution, aliquot and freeze (−20°C). Stock solutions are stable for up to 3 months at −20°C
Format	Solid
Color	White
Molecular Formula	C₄₂H₇₀O₃₅

Invitrogen™ 5(6)-TAMRA (5-(and-6)-Carboxytetramethylrhodamine), mixed isomers

5(6)-TAMRA (5-(and-6)-Carboxytetramethylrhodamine), mixed isomers

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Thermo Scientific™ EZ-Link™ Biocytin

Synthesize long or trifunctional biotinylation reagents using this biotin variant containing a primary amine in its valeric acid chain.

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Thermo Scientific™ Sulfo-SHPP (Water-Soluble Bolton-Hunter Reagent)

Add tyrosine (tyrosyl) groups to proteins to increase the number of iodine-125 labeling (iodination) sites using an amine-reactive, NHS ester compound.

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Thermo Scientific™ DyLight™ 800-4xPEG NHS Ester

Fluorescently label antibodies and other proteins for near-IR detection with this derivative of our high-performance DyLight 800 Dye.

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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.

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Thermo Scientific™ DyLight™ 488 Maleimide

Label antibodies or other proteins as probes for fluorescence imaging assays with the full spectral range of maleimide-activated DyLight Dyes.

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Thermo Scientific™ EZ-Link™ Amine-PEG11-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with this long (53.2A) biotinylation reagent containing an 11-unit polyethylene glycol spacer.