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.

Search Within Results

1 – 15 of 296 results

Invitrogen™ Alexa Fluor™ 405 Cadaverine

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

Pricing and Availability

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

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.

Pricing and Availability
Specifications

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

Thermo Scientific™ EZ-Link™ Biocytin

Synthesize long or trifunctional biotinylation reagents using this biotin variant containing a primary amine in its valeric acid chain.

Pricing and Availability

Invitrogen™ Texas Red™-X, Succinimidyl Ester, mixed isomers

Texas Red™-X, Succinimidyl Ester, mixed isomers

Pricing and Availability

Invitrogen™ Texas Red™ Hydrazide, >90% single isomer

Texas Red™ Hydrazide, >90% single isomer

Pricing and Availability

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

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

Pricing and Availability
Specifications

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

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)

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)

Pricing and Availability

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.

Pricing and Availability

Invitrogen™ Alexa Fluor™ 532 C₅ Maleimide

Alexa Fluor™ 532 C₅ Maleimide is a bright, yellow fluorescent dye with excitation ideally suited for the frequency-doubled Nd:YAG laser line.

Pricing and Availability

Thermo Scientific™ DyLight™ 800-4xPEG NHS Ester

Fluorescently label antibodies and other proteins for near-IR detection with this derivative of our high-performance DyLight 800 Dye.

Pricing and Availability

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.