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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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16 – 30 of 2,638 results
16

Thermo Scientific™ FITC (5/6-fluorescein isothiocyanate), mixed isomer

Activated derivatives of green-fluorescent fluorescein dye to label antibodies, proteins and other molecules for fluorescence imaging (ex 494; em 518).

EDGE
Content And Storage Store desiccated at -20°C, protect from moisture
Product Type FITC
Label or Dye FITC (Fluorescein)
Reactive Moiety Isothiocyanate
Solubility DMF (Dimethylformamide)
Emission 518
Excitation 494
Label Type Classic Dyes
Chemical Reactivity Amine
Product Line Pierce™
17

Molecular Probes™ Alexa Fluor™ 568 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 568 is a bright orange dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 568 dye is water soluble and pH-insensitive from pH 4 to pH 10.

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Dye
Label or Dye Alexa Fluor™ 568
Reactive Moiety Active Ester, Succinimidyl Ester
Emission 602 nm
Excitation 578 nm
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor™
18

Molecular Probes™ pHrodo™ Green STP Ester

pHrodo™ Green STP Ester

EDGE ENCOMPASS_PREFERRED
19

Molecular Probes™ Alexa Fluor™ 555 Hydrazide

Alexa Fluor™ 555 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

EDGE ENCOMPASS_PREFERRED
20

Thermo Scientific™ HABA (4'-hydroxyazobenzene-2-carboxylic acid)

A colored, biotin assay reagent HABA (4'-hydroxyazobenzene-2-carboxylic acid) to measure biotinylation levels of biotinylated antibodies or proteins.

EDGE
21

Molecular Probes™ Cascade Blue™ hydrazide, Trilithium Salt

Cascade Blue™ hydrazide, trilithium salt

EDGE ENCOMPASS_PREFERRED
22

Molecular Probes™ CMNB-Caged Carboxyfluorescein, SE (5-Carboxyfluorescein-Bis-(5-Carboxymethoxy-2-Nitrobenzyl) Ether, β-Alanine-Carboxamide, Succinimidyl Ester)

CMNB-Caged Carboxyfluorescein, SE (5-Carboxyfluorescein-Bis-(5-Carboxymethoxy-2-Nitrobenzyl) Ether, β-Alanine-Carboxamide, Succinimidyl Ester)

EDGE ENCOMPASS_PREFERRED
23

Thermo Scientific™ DyLight™ 650 NHS Ester

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

EDGE
Labeling Target Proteins
Content And Storage Store desiccated at -20°C.
Product Type Dye
Label or Dye DyLight™ 650
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 672
Excitation 652
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight™
24

Thermo Scientific™ EZ-Link™ NHS-PEG12-Biotin, No-Weigh™ Format

Biotinylate protein amines and maximize solubility of proteins with this very long (56.0A) NHS-ester biotinylation reagent containing a pegylated, water-soluble spacer arm.

EDGE
Label Type Biotin & Analogs
25
Promotions Available

Invitrogen™ Zenon™ Alexa Fluor™ Plus IgG Labeling Reagents

Zenon Alexa Fluor Plus Labeling Reagents provide rapid, scalable antibody labeling and give a bright fluorescence-based indication of antibody binding when analyzed by flow cytometry, fluorescence microscopy, or high-content screening.

EDGE ENCOMPASS_PREFERRED
Labeling Target IgG
Content And Storage Store in refrigerator (2–8°C) and protect from light.
Product Type Labeling Reagent
Quantity 240 μL
Label Type Alexa Fluor
For Use With (Application) Antibody binding screening
Product Line Zenon™
Detection Method Fluorescence
26

Thermo Scientific™ EZ-Link™ NHS-Desthiobiotin

Label intracellular proteins for affinity purification with streptavidin beads

EDGE
27

Molecular Probes™ Dansyl Ethylenediamine, 5-Dimethylaminonaphthalene-1-(N-(2-Aminoethyl))sulfonamide

5-dimethylaminonaphthalene-1-(N-(2-aminoethyl))sulfonamide (dansyl ethylenediamine)

EDGE ENCOMPASS_PREFERRED
28

Thermo Scientific™ EZ-Link™ NHS-LC-LC-Biotin

Biotinylate protein amines with this doubly-long-chain (30.5A), NHS-ester biotinylation reagent containing a membrane permeable spacer arm for intracellular labeling.

EDGE
29

Molecular Probes™ BODIPY™ FL-C5 NHS Ester (Succinimidyl Ester)

BODIPY™ FL-C5 dye is bright, green fluorescent dye with similar excitation and emission to fluorescein (FITC) or Alexa Fluor™ 488 dye.

EDGE ENCOMPASS_PREFERRED
30

Molecular Probes™ Texas Red™ Sulfonyl Chloride, mixed isomers

Texas Red™ Sulfonyl Chloride, mixed isomers

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Sulfonyl Chloride
Label or Dye Texas Red™
Reactive Moiety Sulfonyl Chloride
Emission 615
Excitation 595
Label Type Classic Dyes
Chemical Reactivity Amine
Product Line Texas Red™