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Protein Labeling Reagents

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.
Label or Dye 
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Label or Dye

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1 – 15 of 22 results
1

Thermo Scientific™ Pierce™ Iodination Beads

Easily and gently label (iodinate) proteins and peptides with iodine-125 using reagent-coated polystyrene beads that can be removed following reaction.

2

Thermo Scientific™ Pierce™ Iodination Tubes

Reliably label (iodinate) proteins and peptides with iodine-125 using glass test tubes that are pre-coated (activated) with iodination reagent.

3

Invitrogen™ Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 647 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.

Promotions are available
Emission 672 nm
Excitation 651 nm
4

Molecular Probes™ Alexa Fluor™ 555 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 555 is a bright orange dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 555 dye is water soluble and pH-insensitive from pH 4 to pH 10.

Shipping Condition Room Temperature
Product Type Dye
Emission 572 nm
Excitation 555 nm
Product Line Alexa Fluor™
5

Molecular Probes™ Alexa Fluor™ 680 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 680 is a bright and photostable near-IR dye that is spectrally similar to the Cy5.5 dye.

Shipping Condition Room Temperature
Product Type Dye
Emission 707 nm
Excitation 684 nm
Product Line Alexa Fluor™
10

Molecular Probes™ Fluorescein-5-Isothiocyanate (FITC 'Isomer I')

Fluorescein-5-Isothiocyanate (FITC 'Isomer I')

Promotions are available
Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Fluorescein-5-Isothiocyanate
Label or Dye FITC (Fluorescein)
Reactive Moiety Isothiocyanate
Label Type Classic Dyes
Chemical Reactivity Amine
15

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.

Promotions are available
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™