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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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1 – 15 of 292 results
1

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

Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Biotin is an intermediate-length, water-soluble biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines.

Cell Permeability Cell-Impermeant
Product Type Sulfo-NHS-LC-Biotin
Spacer Mid-length
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Chemical Reactivity Amine
Product Line EZ-Link™
2

Invitrogen™ Alexa Fluor™ 430 NHS Ester (Succinimidyl Ester)  DFS Item

Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 430 dye is water soluble and pH-insensitive from pH 4 to pH 10.

3

Molecular Probes™ Alexa Fluor™ 488 Azide (Alexa Fluor™ 488 5-Carboxamido-(6-Azidohexanyl), Bis(Triethylammonium Salt)), 5-isomer  DFS Item

The green-fluorescent Alexa Fluor™ 488 azide is reactive with terminal alkynes via a copper-catalyzed click reaction.

4

Molecular Probes™ Alexa Fluor™ 594 C5 Maleimide  DFS Item

Alexa Fluor™ 594 is a bright, red fluorescent dye that can be excited using the 561 nm or 594 nm laser lines.

5

Molecular Probes™ Alexa Fluor™ 568 Hydrazide, for microinjection  DFS Item

Alexa Fluor™ 568 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

7

Molecular Probes™ Alexa Fluor™ 488 C5 Maleimide  DFS Item

Alexa Fluor™ 488 is a bright, green fluorescent dye with excitation ideally suited to the 488 nm laser line.

8

Molecular Probes™ Alexa Fluor™ 488 Alkyne (Alexa Fluor™ 488 5-Carboxamido-(Propargyl), Bis(Triethylammonium Salt)), 5-isomer  DFS Item

Alexa Fluor™ 488 Alkyne (Alexa Fluor™ 488 5-Carboxamido-(Propargyl), Bis(Triethylammonium Salt)), 5-isomer

10

Molecular Probes™ Alexa Fluor™ 488 Hydrazide  DFS Item

Alexa Fluor™ 488 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

11

Molecular Probes™ ARP (N-(aminooxyacetyl)-N'-(D-Biotinoyl) hydrazine, Trifluoroacetic Acid Salt)  DFS Item

ARP (N-(aminooxyacetyl)-N'-(D-Biotinoyl) hydrazine, Trifluoroacetic Acid Salt)

12

Molecular Probes™ Alexa Fluor™ 532 C5 Maleimide  DFS Item

Alexa Fluor™ 532 C5 Maleimide is a bright, yellow fluorescent dye with excitation ideally suited for the frequency-doubled Nd:YAG laser line.

13

Molecular Probes™ Alexa Fluor™ 594 Azide (Alexa Fluor™ 594 Carboxamido-(6-Azidohexanyl), Triethylammonium Salt), mixed isomers  DFS Item

Alexa Fluor™ 594 Azide (Alexa Fluor™ 594 Carboxamido-(6-Azidohexanyl), Triethylammonium Salt), mixed isomers

14

Molecular Probes™ Alexa Fluor™ 568 Hydrazide  DFS Item

Alexa Fluor™ 568 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

15

Molecular Probes™ Alexa Fluor™ 594 Hydrazide, for microinjection  DFS Item

Alexa Fluor™ 594 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.