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 
  • (87)
  • (17)
  • (1)
  • (2)
  • (38)
  • (9)
  • (7)
  • (4)
  • (14)
  • (19)
  • (8)
  • (2)
  • (1)
  • (10)
  • (5)
  • (9)
  • (1)
  • (2)
  • (6)
  • (5)
  • (6)
  • (10)
Label Type 
  • (77)
  • (17)
  • (7)
  • (61)
  • (2)
  • (2)
  • (38)
  • (4)
  • (1)
  • (3)
  • (9)
  • (5)
  • (5)
Color 
  • (17)
  • (2)
  • (3)
  • (7)
  • (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

  • (49)

brands

  • (3)
  • (1)
  • (49)
  • (248)
  • (9)
  • (3)
  • (2)
  • (111)
  • (1)
  • (1)

special interests

  • (16)

Product Line

  • (87)
  • (17)
  • (1)
  • (2)
  • (38)
  • (9)
  • (7)
  • (4)
  • (14)
  • (19)
  • (8)
  • (2)
  • (1)
  • (10)
  • (5)
  • (9)
  • (1)
  • (2)
  • (6)
  • (5)
  • (6)
  • (10)

Label Type

  • (77)
  • (17)
  • (7)
  • (61)
  • (2)
  • (2)
  • (38)
  • (4)
  • (1)
  • (3)
  • (9)
  • (5)
  • (5)

Color

  • (17)
  • (2)
  • (3)
  • (7)
  • (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
2

Invitrogen™ Rhodamine Green™-X, Succinimidyl Ester, Hydrochloride, mixed isomers  DFS Item

Rhodamine Green™-X, Succinimidyl Ester, Hydrochloride, mixed isomers

3

Invitrogen™ NovaFluor™ Antibody Conjugation Kits  DFS Item

Get the most out of your panel design by conjugating antibodies to NovaFluor dyes specifically designed for spectral hygiene to have narrow emission spectra and minimal cross-laser excitation.

Product Line NovaFluor
4

Thermo Scientific™ DyLight™ 755 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™ 755
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 776
Excitation 754
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
5

Invitrogen™ Biotin-4-Fluorescein  DFS Item

Biotin-4-fluorescein can be used to quantitate available biotin-binding sites or the concentration of avidin or streptavidin through the strong quenching associated when this molecule binds to avidin.

6

Thermo Scientific™ DyLight™ 350 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™ 350
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 432
Excitation 353
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
7

Invitrogen™ BODIPY™ 558/568 NHS Ester (Succinimidyl Ester)  DFS Item

BODIPY™ 558/568 dye is bright, red fluorescent dye. It has a high extinction coefficient and fluorescence quantum yield and is relatively insensitive to solvent polarity and pH change.

8

Invitrogen™ Alexa Fluor™ 405 Cadaverine  DFS Item

Alexa Fluor™ 405 Cadaverine is useful as a polar tracer and as a reactive dye for labeling proteins via a carboxylic acid moiety.

9

Invitrogen™ Alexa Fluor™ 568 NHS Ester (Succinimidyl Ester)  DFS Item

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.

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
10

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
11

Invitrogen™ 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.

12

Invitrogen™ Alexa Fluor™ 532 NHS Ester (Succinimidyl Ester)  DFS Item

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

Product Type Alexa Fluor™ 532 NHS Ester (Succinimidyl Ester)
Label or Dye Alexa Fluor™ 532
13

Invitrogen™ BODIPY™ TR Cadaverine (5-(((4-(4,4-Difluoro-5-(2-Thienyl)-4-Bora-3a,4a-Diaza-s-Indacene-3-yl)phenoxy)acetyl)amino)pentylamine, Hydrochloride)  DFS Item

BODIPY™ TR Cadaverine (5-(((4-(4,4-Difluoro-5-(2-Thienyl)-4-Bora-3a,4a-Diaza-s-Indacene-3-yl)phenoxy)acetyl)amino)pentylamine, Hydrochloride)

14

Thermo Scientific™ Sulfo-SBED Biotin Label Transfer Kit - Western Blot Application

Tag a purified protein to covalently crosslink and transfer biotinylation to its binding partner; then detect the results by Western blotting.

15

Invitrogen™ DNP-X, SE, 6-(2,4-Dinitrophenyl)aminohexanoic Acid, Succinimidyl Ester  DFS Item

DNP-X, SE, 6-(2,4-Dinitrophenyl)aminohexanoic Acid, Succinimidyl Ester