Protein Labelling Reagents

Cytiva Cy™3B Mono-reactive NHS Ester Fluorescent Dyes

Cytiva Cy™3B Mono-reactive NHS Ester Fluorescent Dyes

Combines exceptional photostability with bright and intense signals. Cytiva Cy™3B NHS Ester Mono-Reactive CyDye™ provides targeted and specific labeling of amine residues on antibodies, peptides, or oligonucleotides in fluorescence polarization applications.

Invitrogen™ Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)

Invitrogen™ Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)

Cytiva Cy5.5 NHS Ester Mono-Reactive CyDye

Cytiva Cy5.5 NHS Ester Mono-Reactive CyDye

Use for highly accurate labeling of amine groups. Cytiva Cy5.5 NHS Ester Mono-Reactive CyDye contain derivitized CyDyes that carry only one reactive group on each dye molecule for accurate labeling of amine groups, for example on antibodies, peptides, or oligonucleotides.

Thermo Scientific™ BS3 (bis(sulfosuccinimidyl)suberate)

Thermo Scientific™ BS3 (bis(sulfosuccinimidyl)suberate)

Crosslink amines to amines with BS3; composed of sulfo-NHS-ester groups separated by an 11.4A, water-soluble spacer arm that is useful for cell-surface protein crosslinking.

Molecular Probes™ Alexa Fluor™ 647 Azide, Triethylammonium Salt

Molecular Probes™ Alexa Fluor™ 647 Azide, Triethylammonium Salt

Alexa Fluor™ 647 azide, triethylammonium salt

Thermo Scientific™ NHS-Fluorescein (5/6-carboxyfluorescein succinimidyl ester), mixed isomer

Thermo Scientific™ NHS-Fluorescein (5/6-carboxyfluorescein succinimidyl ester), mixed isomer

Activated derivatives of green-fluorescent fluorescein dye to label antibodies, proteins and other molecules for fluorescence imaging (ex 494; em 518).

Cytiva Amersham™ CyDye™ Value Packs (mono-Reactive NHS Ester)

Cytiva Amersham™ CyDye™ Value Packs (mono-Reactive NHS Ester)

Use for highly accurate labeling of amine groups. Cytiva Amersham™ CyDye™ Value Packs (mono-Reactive NHS Ester) contain derivitized CyDyes that carry only one reactive group on each dye molecule for accurate labeling of amine groups, for example on antibodies, peptides, or oligonucleotides.

Cytiva CypHer5E NHS Esters

Cytiva CypHer5E NHS Esters

A red-excitable, pH-sensitive cyanine dye derivative, reporting receptors movement from the cell surface into acidic endosomes upon agonist stimulation.

Molecular Probes™ Cascade Blue™ Acetyl Azide, Trisodium Salt

Molecular Probes™ Cascade Blue™ Acetyl Azide, Trisodium Salt

Cascade Blue™ acetyl azide, trisodium salt

Molecular Probes™ Alexa Fluor™ 546 NHS Ester (Succinimidyl Ester)

Molecular Probes™ Alexa Fluor™ 546 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 546 NHS Ester (Succinimidyl Ester)

Molecular Probes™ MDCC, 7-Diethylamino-3-((((2-Maleimidyl)ethyl)amino)carbonyl)coumarin

Molecular Probes™ MDCC, 7-Diethylamino-3-((((2-Maleimidyl)ethyl)amino)carbonyl)coumarin

7-diethylamino-3-((((2-maleimidyl)ethyl)amino)carbonyl)coumarin (MDCC)

Molecular Probes™ 5-SFX (6-(Fluorescein-5-Carboxamido) Hexanoic Acid, Succinimidyl Ester), single isomer

Molecular Probes™ 5-SFX (6-(Fluorescein-5-Carboxamido) Hexanoic Acid, Succinimidyl Ester), single isomer

5-SFX (6-(Fluorescein-5-Carboxamido) Hexanoic Acid, Succinimidyl Ester), single isomer

Molecular Probes™ Alexa Fluor™ 488 NHS Ester (Succinimidyl Ester)

Molecular Probes™ Alexa Fluor™ 488 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 488 NHS Ester (Succinimidyl Ester)

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

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

Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Biotin is an intermediate-length, water-soluble biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines.

Cytiva Amersham™ QuickStain Protein Labeling Kit

Cytiva Amersham™ QuickStain Protein Labeling Kit

Amersham QuickStain enables protein detection directly after SDS-PAGE or transfer. Supports Western blot normalization for quantitative Western blotting.

Molecular Probes™ IAEDANS (1,5-IAEDANS, 5-((((2-Iodoacetyl)amino)ethyl)amino)Naphthalene-1-Sulfonic Acid)

Molecular Probes™ IAEDANS (1,5-IAEDANS, 5-((((2-Iodoacetyl)amino)ethyl)amino)Naphthalene-1-Sulfonic Acid)

IAEDANS (1,5-IAEDANS, 5-((((2-Iodoacetyl)amino)ethyl)amino)Naphthalene-1-Sulfonic Acid)

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

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

Biotinylate protein amines with this doubly-long-chain (30.5A), NHS-ester biotinylation reagent containing a membrane permeable spacer arm for intracellular labeling.

Molecular Probes™ Alexa Fluor™ 405 NHS Ester (Succinimidyl Ester)

Molecular Probes™ Alexa Fluor™ 405 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 405 NHS Ester (Succinimidyl Ester)

Thermo Scientific™ EZ-Link™ Maleimide-PEG2-Biotin, No-Weigh™ Format

Thermo Scientific™ EZ-Link™ Maleimide-PEG2-Biotin, No-Weigh™ Format

Biotinylate reduced cysteines with this short, maleimide-activated, sulfhydryl-reactive biotinylation reagent containing a 2-unit PEG spacer arm to enhance water solubility.

Molecular Probes™ Texas Red™-X, Succinimidyl Ester, single isomer

Molecular Probes™ Texas Red™-X, Succinimidyl Ester, single isomer

Texas Red™-X, Succinimidyl Ester, single isomer

Molecular Probes™ Acryloyl-X, SE, 6-((acryloyl)amino)hexanoic Acid, Succinimidyl Ester

Molecular Probes™ Acryloyl-X, SE, 6-((acryloyl)amino)hexanoic Acid, Succinimidyl Ester

6-((acryloyl)amino)hexanoic acid, succinimidyl ester (acryloyl-X, SE)

Molecular Probes™ BODIPY™ FL EDA, 4,4-Difluoro-5,7-Dimethyl-4-Bora-3a,4a-Diaza-<i>s</i>-Indacene-3-Propionyl Ethylenediamine, Hydrochloride

Molecular Probes™ BODIPY™ FL EDA, 4,4-Difluoro-5,7-Dimethyl-4-Bora-3a,4a-Diaza-s-Indacene-3-Propionyl Ethylenediamine, Hydrochloride

4,4-difluoro-5,7-dimethyl-4-bora-3a,4a-diaza-s-indacene-3-propionyl ethylenediamine, hydrochloride (BODIPY™ FL EDA)

Molecular Probes™ CPM (7-Diethylamino-3-(4'-Maleimidylphenyl)-4-Methylcoumarin)

Molecular Probes™ CPM (7-Diethylamino-3-(4'-Maleimidylphenyl)-4-Methylcoumarin)

CPM (7-Diethylamino-3-(4'-Maleimidylphenyl)-4-Methylcoumarin)

Molecular Probes™ Alexa Fluor™ 488 Carboxylic Acid, tris(triethylammonium) salt

Molecular Probes™ Alexa Fluor™ 488 Carboxylic Acid, tris(triethylammonium) salt

Alexa Fluor™ 488 Carboxylic Acid, tris(triethylammonium) salt

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

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.

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