Search Thermo Fisher Scientific
Protein Labeling Reagents
Browse our extensive selection of protein labeling reagents designed to selectively label target proteins. Our catalog includes a wide range of products such as classic dyes, biotinylation reagents, fluorescent labels, molecular probes, and labeling kits. These reagents are suitable for various protein modification and detection applications in research and biotechnology.Our collection features popular fluorescent dyes like Alexa Fluor, DyLight, and pHrodo dyes, as well as coumarin dyes and click chemistry labels. Biotinylation reagents, including various EZ-Link products, are available for protein purification and detection.These protein labeling reagents are designed to facilitate specific labeling of target proteins through various chemical reactivities, including amine, thiol, aldehyde, and click chemistry reactions. Many products offer water-soluble options and spacer arms of different lengths to optimize labeling efficiency and maintain protein function. Learn more about protein labeling reagents or methods.
Read more
Products (300)
Learn More (619)
Documents & Support
(307)300 Products
Filter
Product Type: Dye. Chemical Reactivity: Amine. Shipping Condition: Room Temperature. Label or Dye: Alexa Fluor™ 488.
Emission: 672 nm. Excitation: 651 nm.
Product Type: NHS-LC-Biotin. Quantity: 50 mg. Product Line: EZ-Link™. Cell Permeability: Cell-Permeant.
Product Type: NHS-Biotin. Quantity: 100 mg. Product Line: EZ-Link™. Cell Permeability: Cell-Permeant.
Product Type: Sulfo-NHS-LC-Biotin. Product Line: EZ-Link™. Cell Permeability: Cell-Impermeant. Chemical Reactivity: Amine.
Chemical Reactivity: Amine. Shipping Condition: Room Temperature. Label Type: pHrodo (pH sensitive). Product Line: pHrodo™.
Thermo Scientific™ EZ-Link NHS-PEG12-Biotin is very long, pegylated biotinylation reagent for simple and efficient biotin labeling of antibodies, proteins and other primary amine-containing macromolecules.
Thermo Scientific™ EZ-Link Sulfo-NHS-LC-LC-Biotin is a long-chain biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines. Additional Information and Online Ordering
Quantity: 1 mg. Product Type: Dye. Chemical Reactivity: Thiol. Shipping Condition: Room Temperature.
Product Type: Dye. Shipping Condition: Room Temperature. Product Line: Alexa Fluor™. Emission: 572 nm.
Product Type: Iodoacetyl-LC-Biotin. Quantity: 50 mg. Product Line: EZ-Link™. Cell Permeability: Cell-Permeant.
Product Type: FITC. Solubility: DMF (Dimethylformamide). Chemical Reactivity: Amine. Reactive Moiety: Isothiocyanate.
Product Type: Pentylamine-Biotin. Quantity: 50 mg. Product Line: EZ-Link™. Cell Permeability: Cell-Impermeant.
Quantity: 10 mg. Product Type: Dye. Shipping Condition: Room Temperature. Product Line: Alexa Fluor™.
Solubility: DMF (Dimethylformamide). Solubility: DMSO (Dimethylsulfoxide). Label Type: Biotin & Analogs.
Learn More (619)
View all
Protein labeling reagents are reactive dyes that attach to a specific functional group (i.e., amine or thiol) on a target biomolecule allowing for its subsequent detection or purification. Use the Protein Labeling Reagents Selection Tool to find the best reactive dye for your application or learn...
Use this interactive selection guide to find the right protein labeling reagent for your experiment. Step 1: Choose your options. Simply select the features you need from the options listed. As you define your parameters the list of available reagents matching your selection will appear in the panel...
Documents & Support (307)
View all
Can proteins in a gel be transferred to a membrane after the gel has been labeled using the No-Stain Protein Labeling Reagent?
How does the No-Stain Protein Labeling Reagent work?