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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 293 results
1

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

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

2

Invitrogen™ BODIPY™ 650/665-X NHS Ester (Succinimidyl Ester)  DFS Item

BODIPY™ 650/665-X dye is bright, far-red fluorescent dye with similar excitation and emission to Cy5 or Alexa Fluor™ 647.

3

Invitrogen™ Tetramethylrhodamine-5-Iodoacetamide Dihydroiodide (5-TMRIA), single isomer  DFS Item

Tetramethylrhodamine-5-Iodoacetamide Dihydroiodide (5-TMRIA), single isomer

4

Invitrogen™ CMNB-Caged Carboxyfluorescein, SE (5-Carboxyfluorescein-Bis-(5-Carboxymethoxy-2-Nitrobenzyl) Ether, β-Alanine-Carboxamide, Succinimidyl Ester)  DFS Item

CMNB-Caged Carboxyfluorescein, SE (5-Carboxyfluorescein-Bis-(5-Carboxymethoxy-2-Nitrobenzyl) Ether, β-Alanine-Carboxamide, Succinimidyl Ester)

7

Invitrogen™ BODIPY™ FL Iodoacetamide (BODIPY™ FL C1-IA, N-(4,4-Difluoro-5,7-Dimethyl-4-Bora-3a,4a-Diaza-s-Indacene-3-yl)Methyl)Iodoacetamide)  DFS Item

BODIPY™ FL Iodoacetamide (BODIPY™ FL C1-IA, N-(4,4-Difluoro-5,7-Dimethyl-4-Bora-3a,4a-Diaza-s-Indacene-3-yl)Methyl)Iodoacetamide)

8

Invitrogen™ Biotin-XX, SE (6-((6-((Biotinoyl)Amino)Hexanoyl)Amino)Hexanoic Acid, Succinimidyl Ester)  DFS Item

Biotin-XX, SE (6-((6-((Biotinoyl)Amino)Hexanoyl)Amino)Hexanoic Acid, Succinimidyl Ester)

10

Thermo Scientific™ DyLight™ 550 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™ 550
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 576
Excitation 562
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
11

Thermo Scientific™ LanthaScreen™ Thiol Reactive Tb Chelate  DFS Item

LanthaScreen™ Thiol Reactive Tb Chelate

Shipping Condition Dry Ice
Content And Storage LanthaScreen™ TR-FRET Labeling Reagents are provided lyophilized. Store at -20°C, desiccated, and protected from light. After reconstitution, terbium lanthanide chelates should be stored on ice and used within the same day.
Product Type Thiol Reactive Tb Chelate
Product Line LanthaScreen
13

Invitrogen™ Fluorescein-5-Isothiocyanate (FITC 'Isomer I')  DFS Item

Fluorescein-5-Isothiocyanate (FITC 'Isomer I')

Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Fluorescein-5-Isothiocyanate
Label or Dye FITC (Fluorescein)
Reactive Moiety Isothiocyanate
Label Type Classic Dyes
Chemical Reactivity Amine
14

Thermo Scientific™ FL - EAB1 Peptide, 100μM  DFS Item

Contain known interaction motifs and are labeled with fluorescein