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 
  • (94)
  • (17)
  • (1)
  • (1)
  • (4)
  • (38)
  • (9)
  • (7)
  • (4)
  • (14)
  • (19)
  • (8)
  • (2)
  • (1)
  • (10)
  • (5)
  • (9)
  • (1)
  • (2)
  • (17)
  • (5)
  • (2)
  • (6)
  • (10)
Label Type 
  • (78)
  • (17)
  • (7)
  • (61)
  • (2)
  • (2)
  • (38)
  • (1)
  • (4)
  • (1)
  • (3)
  • (14)
  • (5)
  • (2)
  • (5)
Color 
  • (17)
  • (2)
  • (3)
  • (9)
  • (22)
  • (1)
  • (1)
  • (2)
  • (1)
  • (10)
  • (3)
  • (22)
  • (1)
  • (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)
  • (268)
  • (9)
  • (3)
  • (2)
  • (106)
  • (1)
  • (1)

special interests

  • (16)

Product Line

  • (94)
  • (17)
  • (1)
  • (1)
  • (4)
  • (38)
  • (9)
  • (7)
  • (4)
  • (14)
  • (19)
  • (8)
  • (2)
  • (1)
  • (10)
  • (5)
  • (9)
  • (1)
  • (2)
  • (17)
  • (5)
  • (2)
  • (6)
  • (10)

Label Type

  • (78)
  • (17)
  • (7)
  • (61)
  • (2)
  • (2)
  • (38)
  • (1)
  • (4)
  • (1)
  • (3)
  • (14)
  • (5)
  • (2)
  • (5)

Color

  • (17)
  • (2)
  • (3)
  • (9)
  • (22)
  • (1)
  • (1)
  • (2)
  • (1)
  • (10)
  • (3)
  • (22)
  • (1)
  • (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)

Search Within Results
Keyword Search:
1 – 15 of 300 results
4

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.

5

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.

6

Invitrogen™ Alexa Fluor™ Plus Amine-Reactive Dyes
GREENER_CHOICE

Discover Alexa Fluor Plus amine-reactive dyes, the next-generation fluorescent labeling solution. Engineered to minimize nonspecific staining and enhance signal-to-noise ratios, these dyes ensure precise detection of low-abundance targets. Achieve bright, reliable imaging with reduced background interference.

Labeling Target Primary amines
Content And Storage -25°C to 8°C
Format Amine-reactive dye
Product Type Amine-reactive Dye
Formulation Solid
Solubility DMSO
Label Type Alexa Fluor
Product Line Alexa Fluor
Detection Method Fluorescence
7

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

Thermo Scientific™ EZ-Link™ Sulfo-NHS-Biotin is a short-chain, water-soluble biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines.

Cell Permeability Cell-Impermeant
Product Type Sulfo-NHS-Biotin
Spacer Short
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Chemical Reactivity Amine
Product Line EZ-Link
8

Invitrogen™ SiteClick™ sDIBO Alkyne Kits for Antibody Labeling  DFS Item

Easily attach Alexa Fluor™ pHrodo™ and Biotin sDIBO Alkyne tags to azido-modified antibodies using SiteClick™ chemistry.

Shipping Condition Wet Ice
Labeling Target Azido modified antibodies
Content And Storage Store in refrigerator (2°C to 8°C) and protect from light.
Labeling Method Click Chemistry
Chemical Reactivity Azide
9
Promotions Available

Bolton-Hunter Reagent, Thermo Scientific Chemicals

CAS: 34071-95-9 Molecular Formula: C13H13NO5 Synonym: N-Succinimidyl-3-(4-hydroxyphenyl)propionate; Rudinger reagent

CAS 34071-95-9
Synonym N-Succinimidyl-3-(4-hydroxyphenyl)propionate; Rudinger reagent
Molecular Formula C13H13NO5
11

Invitrogen™ Click-iT™ Protein Reaction Buffer Kit  DFS Item
GREENER_CHOICE

Click two moieties together: azide or alkyne and the corresponding click detection reagent

12

Invitrogen™ Click-iT™ sDIBO Alkynes for copper-free click chemistry
GREENER_CHOICE

Experience copper-free 'click chemistry' with Click-IT™ Alexa Fluor™, and sDIBO Alkyne reagents, which are ideal for surface labeling of live cells and minimize damage to enzymes and fluorescent proteins.

Shipping Condition Dry Ice
Labeling Target Azide
Labeling Method Click Chemistry
13

Invitrogen™ 5-DTAF (5-(4,6-Dichlorotriazinyl) Aminofluorescein), single isomer  DFS Item

5-(4,6-dichlorotriazinyl)aminofluorescein (5-DTAF) is a reactive dye with absorption/emission maxima of ∼492/516 nm. Dichlorotriazines readily modify amines in proteins, and are among the few reactive groups that are reported to react directly with polysaccharides and other alcohols in aqueous solution, provided that the pH is >9 and that other nucleophiles are absent.

14

Invitrogen™ BODIPY™ FL-X NHS Ester (Succinimidyl Ester)  DFS Item

BODIPY™ FL-X dye is bright, green fluorescent dye with similar excitation and emission to fluorescein (FITC) or Alexa Fluor™ 488 dye.

15

Invitrogen™ Alexa Fluor™ 633 NHS Ester (Succinimidyl Ester)  DFS Item

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

Product Type NHS Ester (Succinimidyl Ester)
Label or Dye Alexa Fluor™ 633
Emission 639 nm
Excitation 621 nm