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)
  • (10)
  • (5)
  • (6)
  • (10)
Label Type 
  • (78)
  • (17)
  • (7)
  • (61)
  • (2)
  • (2)
  • (38)
  • (1)
  • (4)
  • (1)
  • (3)
  • (9)
  • (5)
  • (5)
Color 
  • (17)
  • (2)
  • (3)
  • (9)
  • (21)
  • (1)
  • (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)
  • (256)
  • (9)
  • (3)
  • (2)
  • (111)
  • (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)
  • (10)
  • (5)
  • (6)
  • (10)

Label Type

  • (78)
  • (17)
  • (7)
  • (61)
  • (2)
  • (2)
  • (38)
  • (1)
  • (4)
  • (1)
  • (3)
  • (9)
  • (5)
  • (5)

Color

  • (17)
  • (2)
  • (3)
  • (9)
  • (21)
  • (1)
  • (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)

Search Within Results
Keyword Search:
1 – 15 of 298 results
3

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.

4

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.

5

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
6

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
8

Molecular Probes™ Tetramethylrhodamine (TAMRA) Azide (Tetramethylrhodamine 5-Carboxamido-(6-Azidohexanyl)), 5-isomer  DFS Item

Tetramethylrhodamine (TAMRA) Azide (Tetramethylrhodamine 5-Carboxamido-(6-Azidohexanyl)), 5-isomer

9

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.

11

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.

12

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

Invitrogen™ Alexa Fluor™ 546 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 546 is a bright yellow dye. Used in imaging and flow cytometry, Alexa Fluor™ 546 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™ 546
Reactive Moiety Active Ester, Succinimidyl Ester
Emission 570 nm
Excitation 554 nm
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor
15

Invitrogen™ Alexa Fluor™ 633 C5 Maleimide  DFS Item

Alexa Fluor™ 633 is a bright, red fluorescent dye with excitation ideally suited to the 633 nm laser line.