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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 296 results
1

Invitrogen™ 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.

2

Molecular Probes™ Oregon Green™ 488 Azide (Oregon Green™ 6-Carboxamido-(6-Azidohexanyl), Triethylammonium Salt), 6-isomer  DFS Item

Oregon Green™ 488 Azide (Oregon Green™ 6-Carboxamido-(6-Azidohexanyl), Triethylammonium Salt), 6-isomer

3

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.

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
4

Invitrogen™ Texas Red™ Sulfonyl Chloride, mixed isomers  DFS Item

Texas Red™ Sulfonyl Chloride, mixed isomers

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
5

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.

6

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.

7

Thermo Scientific™ DyLight™ 405 NHS Ester

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

Labeling Target Proteins
Content And Storage Store desiccated at -20°C, protected from light.
Product Type Dye
Label or Dye DyLight™ 405
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 420
Excitation 400
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
8

Thermo Scientific™ DyLight™ 800 NHS Ester

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

Content And Storage Store desiccated at -20°C.
Label or Dye DyLight™ 800
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 794
Excitation 777
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
9

Thermo Scientific™ DyLight™ 594 Maleimide

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

10

Invitrogen™ 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.

11

Thermo Scientific™ DyLight™ 425Q NHS Ester

Quench fluorescence resonance energy transfer (FRET) applications involving DyLight Fluors or other fluorescent probes using these non-fluorescent dyes.

12

Invitrogen™ 5-CR 6G, SE (5-Carboxyrhodamine 6G, Succinimidyl Ester), single isomer  DFS Item

5-CR 6G, SE (5-Carboxyrhodamine 6G, Succinimidyl Ester), single isomer

13

Invitrogen™ Tetramethylrhodamine-5-(and-6)-Isothiocyanate (5(6)-TRITC), mixed isomers  DFS Item

Tetramethylrhodamine-5-(and-6)-Isothiocyanate (5(6)-TRITC), mixed isomers

14

Invitrogen™ 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.

15

Thermo Scientific™ DyLight™ 800 Maleimide

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