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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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346 – 360 of 3,085 results
346

2',7'-Dichlorofluorescein, Sigma-Aldrich

CAS: 76-54-0 Molecular Formula: C20H10Cl2O5 Molecular Weight (g/mol): 401.20 InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N IUPAC Name: 2',7'-dichloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one SMILES: OC1=CC2=C(C=C1Cl)C1(OC(=O)C3=CC=CC=C13)C1=CC(Cl)=C(O)C=C1O2

CAS 76-54-0
Molecular Weight (g/mol) 401.20
SMILES OC1=CC2=C(C=C1Cl)C1(OC(=O)C3=CC=CC=C13)C1=CC(Cl)=C(O)C=C1O2
IUPAC Name 2',7'-dichloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
InChI Key VFNKZQNIXUFLBC-UHFFFAOYSA-N
Molecular Formula C20H10Cl2O5
347

Cardiogreen, Sigma-Aldrich

Product Type Dye
Color Green
Label Type Other Labels or Dyes
348

Thermo Scientific™ EZ-Link™ BMCC-Biotin

Biotinylate reduced cysteines (-SH groups) with a maleimide-activated, sulfhydryl-reactive biotinylation reagent containing a stabilizing cyclohexane group in the spacer arm.

350

Thermo Scientific™ Pierce™ Iodination Beads

Easily and gently label (iodinate) proteins and peptides with iodine-125 using reagent-coated polystyrene beads that can be removed following reaction.

351

Novus Biologicals™ Lightning-Link (R) Rapid Type B Biotin Antibody Labeling Kit
SDP

Optimised for assays in which biotinylated protein is captured by streptavidin immobilized on a surface.

352

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

Biotinylate reduced cysteines (-SH groups) at high pH via irreversible thioether bonds with this haloacetyl-activated, sulfhydryl-reactive biotinylation reagent.

353

MilliporeSigma™ Calbiochem™ β-Cyclodextrin

Homogeneous cyclic α1,4-linked D-glucopyranose units in a seven-member ring. Forms clathrates. Suitable for use with dansyl chloride to form water-soluble complexes for fluorescent labeling of proteins.

Content And Storage Following reconstitution, aliquot and freeze (−20°C). Stock solutions are stable for up to 3 months at −20°C
Format Solid
Color White
Molecular Formula C42H70O35
354

Novus Biologicals™ Lightning-Link (R) Rapid DyLight 350 Antibody Labeling Kit
SDP

Antibody labeling kit

356

Novus Biologicals™ 40nm Colloidal Gold Nanoparticles - 15OD
SDP

40nm colloidal gold nanoparticles ultra high quality, with narrow size distribution and uniform shape

Content And Storage 4°C Do not freeze.
Product Type 40nm Colloidal Gold Nanoparticles - 15OD Antibody Labeling Kit
357

Novus Biologicals™ QuantTag Biotin Quantification Kit
SDP

358

Abnova™ Fluorescent Dye 790-I Succinimidyl Ester

Water-soluble fluorescent dye forms stable peptide bond with protein amino groups

359

Abnova™ Fluorescent Dye 790-I Amine

Water-soluble fluorescent dye reacting with carbonyl groups

360

Abnova™ Fluorescent Dye 700-M Succinimidyl Ester (Red)

Water-soluble fluorescent dye forms stable peptide bond with protein amino groups