Protein labeling in Applications

Reagents & ready kits to label proteins or antibodies by different fluorophores. Ready kits contain the optimal amount of dye and include all necessary components and vials for antibody labeling.

AF 488 antibody labeling kit

Ready-to-use kit for labeling antibodies and other proteins with AF 488 dye via NHS ester chemistry. The kit contains all necessary chemicals and consumables.
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Cat. # Quantity Price Lead time
1821-10rxn
10 rxn
$450.00 1 days

AF 594 antibody labeling kit

Ready-to-use kit for labeling antibodies and other proteins with AF 594 dye via NHS ester chemistry. The kit contains all necessary chemicals and consumables.
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Cat. # Quantity Price Lead time
6821-10rxn
10 rxn
$450.00 21 days

sulfo-Cyanine3 antibody labeling kit

Ready to use kit for the labeling of antibodies and other proteins with sulfo-Cyanine3 dye via NHS ester chemistry. The kit contains all necessary chemicals and consumables.
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Cat. # Quantity Price Lead time
1321-10rxn
10 rxn
$450.00 1 days

sulfo-Cyanine5 antibody labeling kit

Ready-to-use kit for labeling antibodies and other proteins with sulfo-Cyanine5 dye via NHS ester chemistry. The kit contains all necessary chemicals and consumables.
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Cat. # Quantity Price Lead time
3321-10rxn
10 rxn
$400.00 1 days

sulfo-Cyanine5.5 antibody labeling kit

Ready-to-use kit for labeling antibodies and other proteins with sulfo-Cyanine5.5 dye via NHS ester chemistry. The kit contains all necessary chemicals and consumables.
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Cat. # Quantity Price Lead time
7321-10rxn
10 rxn
$450.00 1 days

sulfo-Cyanine7 antibody labeling kit

Ready-to-use kit for labeling antibodies and other proteins with sulfo-Cyanine7 dye via NHS ester chemistry. The kit contains all necessary chemicals and consumables.
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Cat. # Quantity Price Lead time
5321-10rxn
10 rxn
$450.00 1 days

sulfo-Cyanine7.5 antibody labeling kit

Ready-to-use kit for labeling antibodies and other proteins with sulfo-Cyanine7.5 dye via NHS ester chemistry. The kit contains all necessary chemicals and consumables.
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Cat. # Quantity Price Lead time
6321-10rxn
10 rxn
$450.00 1 days

AF 343 (Coumarin) X NHS ester

AF 343 (Coumarin) is a blue emitting dye that can serve as a FRET donor for fluorescein (FAM). This structure features a linker between Coumarin 343 fluorophore, and the functional group. It provides better solubility, and spatial separation between the dye, and the functional group.
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Cat. # Quantity Price Lead time
12620 1 mg $110.00 in stock
22620 5 mg $210.00 in stock
42620 25 mg $410.00 in stock
52620 50 mg $695.00 in stock
62620 100 mg $1190.00 in stock

AF 430 NHS ester

AF 430 is a hydrophilic coumarin dye with emission in the green-yellow range. The NHS ester is used for the labeling of amine groups.
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Cat. # Quantity Price Lead time
10820 1 mg $110.00 in stock
20820 5 mg $165.00 in stock
40820 25 mg $380.00 in stock
50820 50 mg $695.00 in stock
60820 100 mg $1190.00 in stock

AF 488 NHS ester

AF 488 NHS ester, a bright, photostable, and hydrophilic fluorescent dye for the green channel.
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Cat. # Quantity Price Lead time
11820 1 mg $125.00 in stock
21820 5 mg $325.00 in stock
31820 10 mg $480.00 in stock
41820 25 mg $950.00 in stock
51820 50 mg $1625.00 5 days
61820 100 mg $2090.00 in stock

AF 488 TFP ester

Tetrafluorophenyl ester of green fluorescent dye AF 488 for labeling amino groups in proteins, peptides, and modified oligonucleotides.
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Cat. # Quantity Price Lead time
118T0 1 mg $165.00 in stock
218T0 5 mg $510.00 in stock
418T0 25 mg $1650.00 in stock

AF 532 NHS ester

NHS-ester of AF 532 dye for protein, peptide, and modified oligonucleotide labeling via reaction with amino groups.
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Cat. # Quantity Price Lead time
1C820 1 mg $140.00 in stock
2C820 5 mg $450.00 in stock
4C820 25 mg $1460.00 in stock
5C820 50 mg $1890.00 in stock
6C820 100 mg $2640.00 in stock

AF 555 NHS ester

AF 555 NHS ester, a bright, photostable, and hydrophilic fluorescent dye for the yellow channel.
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Cat. # Quantity Price Lead time
1K820 1 mg $140.00 in stock
2K820 5 mg $450.00 in stock
4K820 25 mg $1460.00 in stock
5K820 50 mg $1890.00 in stock
6K820 100 mg $2640.00 in stock

AF 568 NHS ester

AF 568 derivative for labeling proteins and other high- and low-molecular weight ligands with free amines.
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Cat. # Quantity Price Lead time
14820 1 mg $125.00 in stock
24820 5 mg $325.00 in stock
44820 25 mg $720.00 in stock
54820 50 mg $1325.00 in stock
64820 100 mg $2090.00 in stock

AF 594 NHS ester

Red-fluorescent NHS-ester of AF 594 dye for labeling proteins, peptides, antibodies, and any molecules containing an -NH2 group. Pure 5-isomer
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Cat. # Quantity Price Lead time
2825-1mg 1 mg $125.00 in stock
2825-5mg 5 mg $425.00 5 days
2825-25mg 25 mg $1240.00 in stock
2825-50mg 50 mg $1890.00 in stock
2825-100mg 100 mg $2640.00 in stock

AF 647 NHS ester

Bright, water-soluble succinimide ester of AF 647 dye for protein and antibody labeling.
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Cat. # Quantity Price Lead time
16820 1 mg $140.00 in stock
26820 5 mg $450.00 in stock
46820 25 mg $1460.00 in stock
56820 50 mg $1890.00 in stock
66820 100 mg $2640.00 in stock

AMCA NHS ester

NHS-ester of AMCA dye for protein, peptide, and modified oligonucleotide labeling via reaction with amino groups. AMCA is one of the brightest blue fluorescent dyes with large Stoke's shift and high resistance to photobleaching.
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Cat. # Quantity Price Lead time
3606-5mg 5 mg $110.00 in stock
3606-25mg 25 mg $290.00 in stock
3606-50mg 50 mg $435.00 in stock
3606-100mg 100 mg $595.00 in stock

Azide-PEG6-NHS ester

A hydrophilic bifunctional linker with azide and NHS ester function groups flanking PEG6 (hexaethylene glycol).
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Cat. # Quantity Price Lead time
3692-250mg 250 mg $325.00 in stock
3692-1g 1 g $539.00 in stock

Azidobutyric acid NHS ester

Activated NHS ester for azido-labeling of peptides and proteins.
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Cat. # Quantity Price Lead time
53720 50 mg $110.00 in stock
63720 100 mg $210.00 in stock
73720 1 g $950.00 in stock
83720 5 g please inquire in stock

BDP 558/568 NHS ester

BDP 558/568 is a fluorophore for the yellow region of the spectrum. Like other BDP dyes, this fluorophore has high fluorescence quantum yield, brightness, and photostability.
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Cat. # Quantity Price Lead time
17420 1 mg $125.00 in stock
27420 5 mg $260.00 in stock
47420 25 mg $510.00 in stock
57420 50 mg $895.00 in stock
67420 100 mg $1490.00 in stock

BDP 581/591 NHS ester

NHS ester derivative of BDP 581/591 borondipyrromethene fluorophore for the labeling of proteins, peptides, and other biomolecules. The dye is useful for fluorescence polarization and two-photon experiments, and as a ROS probe.
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Cat. # Quantity Price Lead time
16420 1 mg $125.00 in stock
26420 5 mg $260.00 in stock
46420 25 mg $510.00 in stock
56420 50 mg $895.00 in stock
66420 100 mg $1490.00 in stock

BDP 630/650 X NHS ester

BDP 630/650 is a borondipyrromethene fluorophore tuned to Cyanine5 excitation and emission channels. The dye is bright and highly photostable. It is useful for fluorescence polarization assays. This is an amine-reactive NHS ester derivative.
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Cat. # Quantity Price Lead time
15420 1 mg $125.00 in stock
25420 5 mg $260.00 in stock
45420 25 mg $510.00 in stock
55420 50 mg $895.00 in stock
65420 100 mg $1490.00 in stock

BDP FL L-Cystine

BDP FL L-cystine is a symmetric disulfide for reversible thiol-specific labeling of thiolated oligonucleotides, proteins, and cells.
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Cat. # Quantity Price Lead time
4146-1mg 1 mg $139.00 in stock
4146-25mg 25 mg $1680.00 in stock

BDP FL NHS ester

Amino-reactive BDP FL, a very bright and photostable dye for fluorescein channel.
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Cat. # Quantity Price Lead time
11420 1 mg $125.00 in stock
21420 5 mg $260.00 in stock
41420 25 mg $510.00 in stock
51420 50 mg $895.00 in stock
61420 100 mg $1490.00 5 days

BDP R6G NHS ester

BDP R6G is a borondipyrromethene dye which has absorption and emission spectra similar to R6G.
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Cat. # Quantity Price Lead time
14420 1 mg $125.00 in stock
24420 5 mg $260.00 in stock
44420 25 mg $510.00 in stock
54420 50 mg $895.00 in stock
64420 100 mg $1490.00 in stock

BDP TMR NHS ester

Amine reactive NHS ester of BDP TMR, bright borondipyrromethene dye for TAMRA channel especially suitable for fluorescence polarization assays.
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Cat. # Quantity Price Lead time
12420 1 mg $125.00 in stock
22420 5 mg $260.00 in stock
42420 25 mg $510.00 in stock
52420 50 mg $895.00 in stock
62420 100 mg $1490.00 in stock

BDP TMR X NHS ester

Amine reactive NHS ester of BDP TMR, bright borondipyrromethene dye for TAMRA channel especially suitable for fluorescence polarization assays. This compound contains an aminohexanoic acid (C6) linker between the dye and the functional group.
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Cat. # Quantity Price Lead time
1F420 1 mg $125.00 in stock
2F420 5 mg $260.00 in stock
4F420 25 mg $510.00 in stock
5F420 50 mg $895.00 in stock
6F420 100 mg $1490.00 in stock

BDP TR NHS ester

BDP TR is a borondipyrromethene dye. A bright and photostable fluorophore with high quantum yield.
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Cat. # Quantity Price Lead time
NO items of this product available in stock but you can submit request for bulk.

Biotin X hydrazide

Hydrazide biotin reagent with aminocaproic spacer useful for biotinylation of macromolecule reactive carbonyls.
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Cat. # Quantity Price Lead time
2730-100mg 100 mg $145.00 5 days

Cyanine2 NHS ester minimal dye

Cyanine2 NHS ester minimal dye for protein labeling
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Cat. # Quantity Price Lead time
1A041 5 nmol $110.00 in stock
2A041 10 nmol $140.00 in stock
3A041 25 nmol $265.00 in stock

Cyanine3 NHS ester

Amine-reactive Cyanine3 dye NHS ester for the labeling of amino-groups.
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Cat. # Quantity Price Lead time
11020 1 mg $91.00 in stock
21020 5 mg $119.00 5 days
41020 25 mg $380.00 in stock
51020 50 mg $670.00 in stock
61020 100 mg $1150.00 in stock
81020 1 g please inquire 12 days

Cyanine3 NHS ester minimal dye

Cyanine3 minimal dye for protein labeling.
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Cat. # Quantity Price Lead time
1B041 5 nmol $110.00 in stock
2B041 10 nmol $175.00 in stock
3B041 25 nmol $265.00 in stock

Cyanine3.5 NHS ester

Cyanine3.5 dye NHS ester derivative the labeling of amino-groups in biomolecules.
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Cat. # Quantity Price Lead time
12020 1 mg $125.00 in stock
22020 5 mg $260.00 in stock
42020 25 mg $510.00 in stock
52020 50 mg $895.00 in stock
62020 100 mg $1490.00 in stock

Cyanine3B NHS ester

Cyanine3B NHS ester is a reactive dye with significantly increased fluorescence quantum yield and photostability for the specific labeling of amino-groups in biomolecules.
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Cat. # Quantity Price Lead time
19320 1 mg $140.00 5 days
29320 5 mg $340.00 in stock
49320 25 mg $990.00 in stock
59320 50 mg $1690.00 in stock
69320 100 mg $3100.00 in stock

Cyanine5 NHS ester

Amine-reactive Cyanine5 activated ester for the labeling of proteins, peptides, and other molecules.
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Cat. # Quantity Price Lead time
13020 1 mg $87.00 in stock
23020 5 mg $117.00 in stock
43020 25 mg $337.00 in stock
53020 50 mg $550.00 in stock
63020 100 mg $870.00 in stock
83020 1 g please inquire 12 days

Cyanine5 NHS ester minimal dye

Cy5 NHS ester minimal dye for protein labeling.
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Cat. # Quantity Price Lead time
1C041 5 nmol $110.00 in stock
2C041 10 nmol $175.00 in stock
3C041 25 nmol $265.00 in stock

Cyanine5.5 NHS ester

Cyanine5.5 NHS is far-red / near-infrared amine-reactive dye.
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Cat. # Quantity Price Lead time
17020 1 mg $125.00 in stock
27020 5 mg $260.00 in stock
47020 25 mg $510.00 in stock
57020 50 mg $895.00 in stock
67020 100 mg $1490.00 in stock

Cyanine7 NHS ester

Amine reactive NHS ester of near infrared dye Cyanine7.
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Cat. # Quantity Price Lead time
15020 1 mg $125.00 in stock
25020 5 mg $260.00 in stock
45020 25 mg $510.00 in stock
55020 50 mg $895.00 in stock
65020 100 mg $1490.00 in stock

Cyanine7.5 NHS ester

Amine reactive NHS ester of NIR fluorescent dye Cyanine7.5 .
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Cat. # Quantity Price Lead time
16020 1 mg $125.00 in stock
26020 5 mg $260.00 in stock
46020 25 mg $510.00 in stock
56020 50 mg $895.00 in stock
66020 100 mg $1490.00 in stock

DBCO NHS ester

Azodibenzocyclooctyne (DBCO, ADIBO) reagent for strain-promoted copper-free click chemistry (SPAAC). The reagent contains an NHS ester function for the attachment of the cyclooctyne to various molecules.
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Cat. # Quantity Price Lead time
34720 10 mg $80.00 5 days
44720 25 mg $110.00 5 days
54720 50 mg $135.00 5 days
64720 100 mg $210.00 in stock
94720 1 g $1000.00 5 days
K4720 5 g $3570.00 5 days

DBCO STP ester

Activated ester for modification of proteins/antibodies/peptides followed by introduction into copper-free click chemistry reaction.
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Cat. # Quantity Price Lead time
2584-10mg 10 mg $90.00 in stock
2584-25mg 25 mg $180.00 in stock
2584-100mg 100 mg $450.00 in stock
2584-500mg 500 mg $1700.00 in stock
2584-1g 1 g $3000.00 in stock
2584-5g 5 g please inquire 21 days

DBCO-PEG6-NHS ester

A heterobifunctional linker with DBCO and NHS ester function groups flanking PEG6 (hexaethylene glycol).
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Cat. # Quantity Price Lead time
3664-50mg 50 mg $247.00 in stock
3664-100mg 100 mg $449.00 in stock
3664-1g 1 g $3490.00 5 days

FAM NHS ester, 6-isomer

Activated N-hydroxysuccinimide ester of fluorescein (FAM), pure 6-isomer.
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Cat. # Quantity Price Lead time
25120 5 mg $110.00 in stock
45120 25 mg $145.00 in stock
55120 50 mg $260.00 in stock
65120 100 mg $470.00 in stock
85120 1 g please inquire in stock
95120 5 g please inquire in stock

Hexynoic acid NHS ester

Hexynoic acid NHS ester for the labeling of biomolecules with alkyne group for copper-catalyzed click chemistry.
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Cat. # Quantity Price Lead time
41720 25 mg $95.00 in stock
51720 50 mg $180.00 in stock
61720 100 mg $290.00 in stock
91720 1 g please inquire in stock

Pyrenebutyric acid NHS ester

Pyrene NHS ester for the labeling of biomolecules with pyrene residue. Pyrene is a fluorescent proximity probe which forms excimers, and it is also an anchor group for graphite immobilization.
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Cat. # Quantity Price Lead time
63520 100 mg $110.00 5 days

ROX NHS ester, 6-isomer

Pure 6-isomer of ROX (Rhodamine X, R101) NHS-ester for amine labeling.
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Cat. # Quantity Price Lead time
12220 1 mg $110.00 in stock
22220 5 mg $210.00 in stock
42220 25 mg $410.00 in stock
52220 50 mg $695.00 in stock
62220 100 mg $1190.00 in stock

sulfo-Cyanine3 NHS ester

Water soluble sulfo-Cyanine3 SE activated ester for amino-biomolecule labeling.
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Cat. # Quantity Price Lead time
11320 1 mg $91.00 in stock
21320 5 mg $119.00 in stock
41320 25 mg $395.00 in stock
51320 50 mg $729.00 in stock
61320 100 mg $1290.00 in stock

sulfo-Cyanine5 NHS ester

Water-soluble sulfo-Cyanine5 succinimidyl ester for labeling various amine-containing molecules in the aqueous phase.
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Cat. # Quantity Price Lead time
13320 1 mg $91.00 in stock
23320 5 mg $119.00 in stock
43320 25 mg $345.00 in stock
53320 50 mg $557.00 in stock
63320 100 mg $890.00 in stock

sulfo-Cyanine5.5 NHS ester

Water soluble, sulfonated, far-red sulfo-Cyanine5.5 dye in the form of NHS ester.
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Cat. # Quantity Price Lead time
17320 1 mg $125.00 in stock
27320 5 mg $325.00 in stock
47320 25 mg $850.00 in stock
57320 50 mg $1490.00 in stock
67320 100 mg $1990.00 in stock

sulfo-Cyanine7 NHS ester

sulfo-Cyanine7 NHS ester is a water-soluble, near-infrared, amine-reactive dye.
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Cat. # Quantity Price Lead time
15320 1 mg $125.00 in stock
25320 5 mg $325.00 in stock
45320 25 mg $850.00 in stock
55320 50 mg $1490.00 in stock
65320 100 mg $1990.00 in stock

sulfo-Cyanine7.5 NHS ester

A water-soluble near-infrared emitting dye for in vivo imaging applications. sulfo-Cyanine7.5 is an analog of indocyanine green (ICG) possessing higher emission quantum yield and a linker arm.
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Cat. # Quantity Price Lead time
16320 1 mg $125.00 in stock
26320 5 mg $325.00 in stock
46320 25 mg $850.00 in stock
56320 50 mg $1490.00 in stock
66320 100 mg $1990.00 in stock

TAMRA NHS ester, 5-isomer

Amine-reactive, activated N-hydroxysuccinimidyl ester of TAMRA dye for the labeling of amine groups of proteins, peptides, and amino-oligonucleotides. Pure 5-isomer.
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Cat. # Quantity Price Lead time
27120 5 mg $210.00 in stock
47120 25 mg $350.00 in stock
57120 50 mg $595.00 in stock
67120 100 mg $790.00 in stock

TAMRA NHS ester, 6-isomer

NHS-ester of TAMRA dye for proteins, peptides, and modified oligonucleotides labeling via reaction with amino groups. Pure 6-isomer.
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Cat. # Quantity Price Lead time
18120 1 mg $110.00 in stock
28120 5 mg $210.00 in stock
48120 25 mg $350.00 in stock
58120 50 mg $595.00 in stock
68120 100 mg $790.00 in stock

TCO-PEG4-NHS ester (axial isomer)

A heterobifunctional linker with trans-cyclooctene and NHS ester groups flanking PEG4 (tetraethylene glycol) for labeling of antibodies, proteins, and other primary amine-containing biomolecules.
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Cat. # Quantity Price Lead time
3056-10mg 10 mg $145.00 in stock
3056-25mg 25 mg $225.00 in stock
3056-100mg 100 mg $550.00 in stock

Thiazole Orange NHS ester

Thiazole Orange NHS ester for labeling biomolecules (peptides, proteins, amino-DNA, etc.). Thiazole orange is a cyanine dye that is essentially dark in solution but has a bright fluorescence in double-stranded DNA and RNA.
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Cat. # Quantity Price Lead time
2183-5mg 5 mg $60.00 in stock

TR X NHS ester, 5-isomer

TR (aka Texas Red) is a red-emitting fluorescent dye based on sulforhodamine scaffold, an amine-reactive NHS ester.
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Cat. # Quantity Price Lead time
1V220 1 mg $125.00 in stock
2V220 5 mg $325.00 in stock
4V220 25 mg $510.00 in stock
5V220 50 mg $895.00 in stock
6V220 100 mg $1490.00 in stock

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