accessibility menu, dialog, popup

UserName

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.
Product Line 
  • (86)
  • (17)
  • (1)
  • (2)
  • (38)
  • (9)
  • (7)
  • (4)
  • (14)
  • (19)
  • (8)
  • (2)
  • (1)
  • (10)
  • (5)
  • (9)
  • (1)
  • (2)
  • (6)
  • (5)
  • (6)
  • (10)
Label Type 
  • (76)
  • (17)
  • (7)
  • (61)
  • (2)
  • (2)
  • (38)
  • (4)
  • (1)
  • (3)
  • (9)
  • (5)
  • (5)
Color 
  • (17)
  • (2)
  • (3)
  • (6)
  • (19)
  • (2)
  • (1)
  • (7)
  • (3)
  • (21)
  • (1)
  • (1)
Label or Dye 
  • (5)
  • (5)
  • (5)
  • (5)
  • (1)
  • (6)
  • (45)
  • (2)
  • (2)
  • (3)
  • (5)
  • (5)
Solubility 
  • (38)
  • (41)
  • (33)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

special offers

  • (1)

brands

  • (3)
  • (1)
  • (49)
  • (240)
  • (9)
  • (3)
  • (2)
  • (118)
  • (1)
  • (1)

special interests

  • (15)

Product Line

  • (86)
  • (17)
  • (1)
  • (2)
  • (38)
  • (9)
  • (7)
  • (4)
  • (14)
  • (19)
  • (8)
  • (2)
  • (1)
  • (10)
  • (5)
  • (9)
  • (1)
  • (2)
  • (6)
  • (5)
  • (6)
  • (10)

Label Type

  • (76)
  • (17)
  • (7)
  • (61)
  • (2)
  • (2)
  • (38)
  • (4)
  • (1)
  • (3)
  • (9)
  • (5)
  • (5)

Color

  • (17)
  • (2)
  • (3)
  • (6)
  • (19)
  • (2)
  • (1)
  • (7)
  • (3)
  • (21)
  • (1)
  • (1)

Label or Dye

  • (5)
  • (5)
  • (5)
  • (5)
  • (1)
  • (6)
  • (45)
  • (2)
  • (2)
  • (3)
  • (5)
  • (5)

Solubility

  • (38)
  • (41)
  • (33)

Chemical Reactivity

  • (10)
  • (3)
  • (23)
  • (1)
  • (8)
  • (10)
  • (2)
  • (3)
  • (6)

Spacer

  • (1)
  • (1)
  • (9)
  • (1)
  • (3)
  • (1)
  • (4)
  • (6)
  • (3)
  • (3)
  • (1)
  • (1)
  • (1)
  • (8)

Labeling Target

  • (1)
  • (11)

Molecular Weight (g/mol)

  • (1)
Search Within Results
Keyword Search:
1 – 15 of 296 results
1

Invitrogen™ Alexa Fluor™ 555 Hydrazide  DFS Item

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

2

Molecular Probes™ Alexa Fluor™ 790 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 790 is a bright and photostable near-IR dye that is spectrally similar to indocyanine green (ICG) and the IRDye™ 800 dye.

3

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.

Label Type Biotin & Analogs
4

Invitrogen™ Alexa Fluor™ 750 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 750 is a bright and photostable near-IR dye that is spectrally similar to Cy7.

Shipping Condition Room Temperature
Product Type Dye
Emission 782 nm
Excitation 753 nm
Product Line Alexa Fluor
5

Molecular Probes™ Alexa Fluor™ 647 Azide, Triethylammonium Salt  DFS Item

The far red-fluorescent Alexa Fluor™ 647 azide is reactive with terminal alkynes via a copper-catalyzed click reaction.

7

Thermo Scientific™ EZ-Link™ Psoralen-PEG3-Biotin

Biotinylate DNA or RNA via intercalation and conjugation with thymine- and other pyrimidine-containing bases with this light-activated biotinylation reagent.

8

Thermo Scientific™ EZ-Link™ Amine-PEG11-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with this long (53.2A) biotinylation reagent containing an 11-unit polyethylene glycol spacer.

13

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

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

Emission 672 nm
Excitation 651 nm
14

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.

15

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