Date published: 2026-4-24

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Protein and Antibody Labeling

Santa Cruz Biotechnology offers a broad range of Protein and Antibody Labeling solutions to enhance research capabilities. Protein and Antibody Labeling support various applications, including western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), flow cytometry (FCM), and enzyme-linked immunosorbent assay (ELISA). Protein and Antibody Labeling is essential for visualizing and quantifying proteins in complex biological samples. Accurate protein labeling enables researchers to study protein expression, localization, and interactions, advancing the understanding of cellular processes and disease mechanisms. The versatile labeling solutions support multiple research areas, including cancer biology, immunology, and neurobiology. Researchers can achieve consistent and reproducible results using specialized fluorescent tags, including phycoerythrin (PE), fluorescein isothiocyanate (FITC), and horseradish peroxidase (HRP) conjugates. Advanced labeling techniques allow for precise protein detection and measurement across diverse experimental conditions. Santa Cruz Biotechnology monoclonal antibodies contribute to scientific advancement by providing reliable tools for protein research and discovery.

Items 51 to 60 of 83 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

8-Aminopyrene-1,3,6-trisulfonic acid trisodium salt

196504-57-1sc-214412
sc-214412A
10 mg
100 mg
$101.00
$863.00
(1)

8-Aminopyrene-1,3,6-trisulfonic acid trisodium salt is a versatile fluorescent probe characterized by its strong affinity for protein binding sites. Its sulfonic acid groups enhance solubility and facilitate electrostatic interactions with biomolecules, promoting effective labeling. The compound exhibits unique photophysical properties, including a significant Stokes shift, which aids in minimizing background fluorescence. This enables clearer visualization of protein dynamics and interactions in various biochemical assays.

1-Pyrenylmethyl Methanethiosulfonate

384342-65-8sc-216127
10 mg
$379.00
(0)

1-Pyrenylmethyl Methanethiosulfonate is a reactive compound known for its ability to form covalent bonds with thiol groups in proteins and antibodies. The pyrene moiety provides strong hydrophobic interactions, enhancing binding specificity. Its methanethiosulfonate group facilitates selective labeling, allowing for the study of protein conformational changes. The compound's unique photostability and fluorescence properties enable detailed tracking of protein interactions in complex biological systems.

K 114

872201-12-2sc-204027
sc-204027A
10 mg
50 mg
$157.00
$630.00
1
(1)

K 114 is a versatile chemical that exhibits remarkable reactivity with amino acid side chains in proteins and antibodies, particularly through its electrophilic sites. This compound can induce conformational changes, influencing protein stability and function. Its unique ability to engage in non-covalent interactions, such as hydrogen bonding and π-π stacking, enhances its specificity in targeting biomolecules. Additionally, K 114's distinct kinetic profile allows for controlled reaction rates, making it a valuable tool in biochemical studies.

t-Boc-MTSEA-Fluorescein

1042688-20-9sc-207818
10 mg
$360.00
(0)

t-Boc-MTSEA-Fluorescein is a specialized compound known for its selective labeling of cysteine residues in proteins and antibodies. Its unique structure facilitates the formation of covalent bonds, enabling precise modifications that can alter protein dynamics. The compound's fluorescent properties allow for real-time monitoring of interactions, while its hydrophobic characteristics enhance membrane permeability. This enables effective tracking of conformational changes and protein interactions in complex biological systems.

6-Carboxy-2′,7′-dichlorofluorescein-3′,6′-diacetatesuccinimidyl Ester

sc-217318
25 mg
$430.00
(0)

6-Carboxy-2',7'-dichlorofluorescein-3',6'-diacetatesuccinimidyl Ester is a versatile chemical that excels in labeling proteins and antibodies through its reactive ester groups. These groups enable efficient conjugation to amine-containing sites, facilitating targeted modifications. Its distinct fluorescence properties provide high sensitivity for detecting molecular interactions, while its stability under various conditions ensures reliable performance in diverse experimental setups. The compound's unique reactivity profile allows for the exploration of protein conformational dynamics and interaction networks.

CruzFluor™ 790 succinimidyl ester

sc-362624
1 mg
$244.00
(1)

CruzFluor™ 790 succinimidyl ester is a highly reactive labeling agent designed for conjugating proteins and antibodies. Its succinimidyl ester moiety selectively targets primary amines, promoting efficient and stable linkages. The compound exhibits exceptional fluorescence characteristics, enabling precise visualization of biomolecular interactions. Additionally, its robust stability across a range of pH and temperature conditions enhances its utility in complex biological assays, making it ideal for studying protein interactions and dynamics.

CruzFluor™ 750 RGD Conjugate

sc-391069
1 mg
$377.00
1
(0)

CruzFluor™ 750 RGD Conjugate is a specialized fluorescent probe that features a unique RGD peptide motif, facilitating specific binding to integrin receptors. This conjugate exhibits remarkable photostability and a high quantum yield, ensuring reliable signal detection in various experimental setups. Its ability to engage in targeted molecular interactions allows for enhanced imaging of cellular processes, while its versatile design supports diverse applications in protein labeling and tracking.

Tetramethylrhodamine-6-maleimide

174568-68-4sc-215962
5 mg
$918.00
(0)

Tetramethylrhodamine-6-maleimide is a highly reactive fluorescent dye known for its ability to form stable thioether bonds with cysteine residues in proteins. This specificity enables precise labeling of proteins and antibodies, enhancing their visibility in complex biological systems. The dye exhibits exceptional brightness and photostability, making it ideal for real-time imaging. Its unique structure allows for efficient energy transfer, contributing to enhanced signal clarity in fluorescence applications.

Ethyl α-Acetamido-α-carbethoxy-β-(7-aza-3-indolyl)propionate

sc-218421
1 g
$300.00
(0)

Ethyl α-Acetamido-α-carbethoxy-β-(7-aza-3-indolyl)propionate is a versatile compound that engages in selective interactions with protein surfaces, facilitating the modulation of enzymatic activity. Its unique structure promotes specific binding to target sites, influencing conformational changes in proteins. The compound's reactivity with nucleophiles enhances its utility in biochemical assays, while its distinct electronic properties allow for effective energy transfer in various analytical techniques.

Nitrofluorescein, Isomer 2

sc-219382
1 g
$330.00
(0)

Nitrofluorescein, Isomer 2, exhibits remarkable fluorescence properties, making it an effective probe for studying protein dynamics. Its unique structure allows for strong interactions with amino acid residues, leading to enhanced signal intensity in assays. The compound's ability to undergo photochemical reactions enables real-time monitoring of protein conformational changes. Additionally, its distinct spectral characteristics facilitate multiplexing in imaging applications, providing insights into complex biological processes.