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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 298 results
1

Thermo Scientific™ Alexa Fluor™ 420 NHS Ester (Succinimidyl Ester)
GREENER_CHOICE

Alexa Fluor 420 NHS Ester is an amine-reactive dye optimized for multiplex IHC and spatial biology. A long Stokes shift and 420/500 ex/em make it a good match for the CFP filter.

6

Atto 565 NHS Ester BioReagent, Suitable for Fluorescence, 70% (Coupling to Amines), MilliporeSigma™ Supelco™

Fluorescence of bioconjugates; employed in fluorescence resonance energy transfer, FRET, experiments.

Content And Storage -20°C
9

Invitrogen™ BODIPY™ FL NHS Ester (Succinimidyl Ester)

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

10

Invitrogen™ BODIPY™ 530/550 NHS Ester (Succinimidyl Ester)

BODIPY™ 530/550 dye is bright, orange fluorescent dye. It has a high extinction coefficient and fluorescence quantum yield and is relatively insensitive to solvent polarity and pH change.

11

Invitrogen™ BODIPY™ 493/503 NHS Ester (Succinimidyl Ester)

BODIPY™ 493/503 dye is bright, green fluorescent dye with similar excitation and emission to fluorescein (FITC) or Alexa Fluor™ 488 dye.

12

Invitrogen™ BODIPY™ 576/589 NHS Ester (Succinimidyl Ester)

BODIPY™ 576/589 dye is bright, red fluorescent dye with similar excitation and emission to Rhodamine Red™ and Alexa Fluor™568.

14

Invitrogen™ Dabcyl, SE, 4-((4-(dimethylamino)phenyl)azo)benzoic Acid, Succinimidyl Ester

4-((4-(dimethylamino)phenyl)azo)benzoic acid, succinimidyl ester (dabcyl, SE)

15

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

The thiol-reactive coumarin, CPM is very weakly fluorescent until reacted with thiols producing a conjugate with excitation/emission maxima of ∼384/470 nm.