Date published: 2026-2-4

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Peptide and Nucleotide Labeling

Santa Cruz Biotechnology now offers a broad range of Peptide and Nucleotide Labeling for use in various applications. This category includes a collection of techniques and reagents specifically designed for the conjugation of fluorescent dyes, biotin, or other markers to peptides and nucleotides. These labeled compounds are instrumental in the study of biological processes at the molecular level, particularly in understanding the structure, function, and interactions of proteins and nucleic acids. In scientific research, peptide and nucleotide labeling is essential for tracking the location, movement, and interactions of these molecules within cells, thereby providing insights into cellular mechanisms and the regulation of genetic information. The development of advanced labeling methods has significantly enhanced the precision and sensitivity of molecular imaging and quantification, making these techniques invaluable in fields such as molecular biology, genetics, and biochemistry. Labeling peptides and nucleotides allows researchers to visually monitor biological processes in real-time using techniques like fluorescence microscopy, spectroscopy, and other analytical methods that rely on the detection of specific labels. Moreover, these methods have facilitated the advancement of high-throughput technologies and have been pivotal in studies involving gene expression, protein-protein interactions, and the mapping of complex cellular pathways. The ongoing refinement of labeling techniques continues to open new avenues for exploring biological systems at an unprecedented depth and scale. View detailed information on our available Peptide and Nucleotide Labeling by clicking on the product name.

Items 11 to 20 of 130 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

6-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride

118357-32-7sc-214351
500 mg
$500.00
(0)

6-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride is a versatile fluorescent compound known for its ability to form covalent bonds with amino groups in peptides and nucleotides. This reactivity facilitates specific labeling and tracking of biomolecules. Its unique triazine moiety enhances electrophilic interactions, promoting selective conjugation. The compound's robust fluorescence properties, including high sensitivity and stability, make it suitable for probing complex biochemical pathways and molecular interactions.

6-Carboxyfluorescein

3301-79-9sc-214365
100 mg
$118.00
3
(1)

6-Carboxyfluorescein is a highly fluorescent dye characterized by its carboxyl functional group, which enhances solubility and reactivity with amine-containing biomolecules. This compound exhibits strong absorbance and emission properties, allowing for effective energy transfer in various biochemical assays. Its ability to participate in electrostatic interactions and hydrogen bonding enables precise labeling of peptides and nucleotides, facilitating the study of molecular dynamics and interactions in complex biological systems.

CruzFluor sm™ 2 succinimidyl ester

sc-362583
5 mg
$176.00
(1)

CruzFluor sm™ 2 succinimidyl ester is a versatile reactive compound that features a succinimidyl ester moiety, promoting efficient conjugation with amine groups in peptides and nucleotides. Its unique reactivity profile allows for rapid formation of stable amide bonds, enhancing specificity in labeling applications. The compound's hydrophobic characteristics contribute to its ability to penetrate biological membranes, while its fluorescence properties enable sensitive detection in various analytical techniques.

CruzQuench™ 3 maleimide

sc-362645
5 mg
$234.00
(0)

CruzQuench™ 3 maleimide is a highly reactive compound characterized by its maleimide functionality, which selectively forms covalent bonds with thiol groups in peptides and nucleotides. This specificity facilitates precise labeling and modification, enabling targeted interactions. The compound exhibits unique reaction kinetics, allowing for rapid conjugation under mild conditions. Its distinct structural features enhance solubility and stability, making it suitable for diverse biochemical applications.

CruzQuench™ 5 maleimide

sc-362663
1 mg
$355.00
(0)

CruzQuench™ 5 maleimide is an innovative compound distinguished by its exceptional reactivity towards thiol-containing biomolecules. This maleimide derivative showcases unique molecular interactions that promote efficient conjugation, enhancing the specificity of labeling processes. Its tailored reaction kinetics enable rapid and selective modifications, while its optimized physical properties contribute to improved solubility and stability in various biochemical environments, facilitating versatile applications in research.

5(6)-carboxyfluorescein, mixed isomers

72088-94-9sc-291088
sc-291088A
1 g
5 g
$65.00
$210.00
(0)

5(6)-carboxyfluorescein, mixed isomers, is a versatile fluorescent dye characterized by its unique ability to form stable conjugates with nucleophiles. Its distinct molecular structure allows for effective energy transfer and quenching phenomena, making it ideal for studying dynamic biological processes. The compound exhibits favorable reaction kinetics, enabling rapid labeling and detection, while its solubility in aqueous environments enhances its utility in diverse biochemical assays.

Methylene blue

61-73-4sc-215381B
sc-215381
sc-215381A
25 g
100 g
500 g
$43.00
$104.00
$328.00
3
(1)

Methylene blue is a synthetic dye known for its unique redox properties, allowing it to act as an electron donor and acceptor in various biochemical pathways. Its ability to intercalate into nucleic acids facilitates specific binding interactions, influencing molecular stability and conformation. Additionally, it exhibits distinct photophysical characteristics, such as strong absorbance and fluorescence, which can enhance detection methods in biochemical studies. Its interactions with peptides can modulate conformational dynamics, providing insights into protein folding and aggregation processes.

CruzFluor sm™ 8 acid

sc-362611
10 mg
$195.00
(0)

CruzFluor sm™ 8 acid is a versatile acid halide that exhibits remarkable reactivity with nucleophiles, facilitating the formation of stable peptide bonds. Its unique structure allows for selective activation of carboxylic acids, enhancing reaction kinetics in peptide synthesis. The compound's ability to form transient intermediates promotes efficient coupling reactions, while its distinct electronic properties influence the stability of reaction products. This acid also demonstrates unique solubility characteristics, enabling diverse applications in synthetic chemistry.

CruzQuench™ 7 acid

sc-362675
5 mg
$595.00
(0)

CruzQuench™ 7 acid is a specialized acid halide that showcases exceptional reactivity with both peptides and nucleotides, enabling rapid formation of covalent bonds. Its unique electronic configuration enhances the electrophilicity of the carbonyl group, promoting efficient nucleophilic attack. The compound's ability to stabilize reaction intermediates leads to accelerated reaction rates, while its distinctive solubility profile allows for seamless integration into various synthetic pathways, optimizing yield and purity.

Tetramethylrhodamine-5-isothiocyanate

80724-19-2sc-215960
5 mg
$220.00
2
(0)

Tetramethylrhodamine-5-isothiocyanate is a versatile chemical that exhibits strong reactivity with nucleophiles, particularly in peptide and nucleotide conjugation. Its unique isothiocyanate functional group facilitates the formation of stable thiourea linkages, enhancing specificity in molecular interactions. The compound's vibrant fluorescence properties allow for effective tracking in biochemical assays, while its hydrophobic characteristics influence solubility and partitioning in complex mixtures, aiding in selective labeling.