Date published: 2025-10-19

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Thiol-Reactive

Santa Cruz Biotechnology now offers a broad range of Thiol-reactive compounds for use in various applications. Thiol-reactive chemicals are critical tools in biochemistry and molecular biology, primarily used for selectively modifying cysteine residues in proteins and peptides. This capability is essential for studying protein structure, function, and dynamics. These compounds enable researchers to tag proteins with fluorescent markers or other biochemical probes, facilitating the observation of protein interactions, localization, and trafficking within cells. Beyond protein research, thiol-reactive agents are utilized in creating biosensors and developing targeted drug delivery systems, where the precision of thiol-based reactions ensures the correct attachment of agents to specific molecular targets. In materials science, thiol-reactive chemicals are employed to engineer surfaces with specific properties, such as increased biocompatibility or enhanced catalytic activity. Their high reactivity and specificity make them invaluable for crafting molecular assemblies and nanostructures that are fundamental in the development of nanotechnology and biotechnology applications. The unique properties of thiol groups, including their redox-reactivity and ability to form disulfide bonds, also make thiol-reactive compounds ideal for designing dynamic materials that can respond to environmental stimuli. This adaptability has wide-ranging implications for research in environmental science, where they are used to detect and neutralize toxic substances. View detailed information on our available Thiol-reactive compounds by clicking on the product name.

Items 11 to 20 of 61 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

4-(Chlorosulfonyl)-7-fluoro-2,1,3-benzoxadiazole

91366-64-2sc-209845
50 mg
$245.00
(0)

4-(Chlorosulfonyl)-7-fluoro-2,1,3-benzoxadiazole acts as a potent electrophile, engaging thiol groups through nucleophilic attack, leading to the formation of sulfonamide linkages. The presence of the chlorosulfonyl moiety significantly enhances its reactivity, allowing for rapid reaction rates. Its unique benzoxadiazole structure contributes to distinct electronic properties, facilitating selective interactions in complex chemical systems, making it a noteworthy candidate for studying thiol chemistry.

Bodipy Isothiocyanate

1349031-04-4sc-217782
5 mg
$337.00
(0)

Bodipy Isothiocyanate is a highly reactive compound characterized by its ability to form stable thiourea derivatives upon interaction with thiol groups. The isothiocyanate functionality promotes rapid nucleophilic addition, resulting in unique reaction kinetics. Its distinctive Bodipy core imparts strong fluorescence, enabling real-time monitoring of thiol interactions. This compound's selective reactivity and photophysical properties make it an intriguing subject for exploring thiol-based chemical pathways.

4-(N-Iodoacetamide)benzophenone

76809-63-7sc-209859
sc-209859A
sc-209859B
25 mg
50 mg
100 mg
$380.00
$660.00
$1140.00
2
(0)

4-(N-Iodoacetamide)benzophenone is a versatile compound known for its electrophilic nature, particularly in its interactions with thiol groups. The iodoacetamide moiety facilitates the formation of covalent bonds through nucleophilic attack, leading to the generation of stable thioether linkages. This compound exhibits unique reactivity patterns, allowing for selective labeling and modification of thiol-containing biomolecules, making it a valuable tool in studying thiol-mediated processes.

ABD-F

91366-65-3sc-205925
sc-205925B
sc-205925A
sc-205925C
sc-205925D
10 mg
20 mg
50 mg
100 mg
250 mg
$103.00
$128.00
$349.00
$400.00
$700.00
6
(0)

ABD-F is a distinctive thiol-reactive compound characterized by its ability to form robust thioether bonds through electrophilic interactions. Its unique structure promotes rapid reaction kinetics with thiol groups, enabling efficient conjugation. The compound's reactivity is influenced by steric and electronic factors, allowing for selective targeting in complex mixtures. Additionally, ABD-F's stability under various conditions enhances its utility in diverse chemical environments, making it a noteworthy candidate for thiol-based applications.

Cyanine 3 Maleimide, Potassium Salt

sc-217964
500 µg
$296.00
(0)

Cyanine 3 Maleimide, Potassium Salt is a specialized thiol-reactive dye known for its exceptional ability to engage in selective conjugation with thiol groups, forming stable thioether linkages. Its unique chromophore structure not only facilitates strong fluorescence but also enhances reaction rates through favorable electronic interactions. The compound exhibits remarkable stability in aqueous environments, making it suitable for diverse experimental conditions while maintaining high specificity in labeling applications.

MTSEA-Fluorescein

1356019-48-1sc-218892
5 mg
$367.00
1
(0)

MTSEA-Fluorescein is a thiol-reactive compound characterized by its ability to form covalent bonds with thiol groups, resulting in stable adducts. Its distinctive fluorescein moiety provides strong fluorescence, enabling sensitive detection in various environments. The compound's reactivity is influenced by pH and temperature, allowing for controlled kinetics in conjugation reactions. Additionally, its solubility in polar solvents enhances its versatility in biochemical applications, promoting effective labeling and tracking of thiol-containing biomolecules.

N,N′-Didansyl-L-cystine

18468-46-7sc-215508
sc-215508A
100 mg
500 mg
$204.00
$775.00
(0)

N,N'-Didansyl-L-cystine is a thiol-reactive compound notable for its dual dansyl groups, which facilitate specific interactions with thiol moieties. This unique structure enhances its fluorescence properties, allowing for precise monitoring of thiol dynamics in complex systems. The compound exhibits selective reactivity, influenced by steric factors and environmental conditions, which can modulate its reaction kinetics. Its hydrophobic characteristics also promote unique solubility profiles, making it suitable for diverse experimental setups.

4-Fluoro-7-nitrobenzofurazan

29270-56-2sc-214238
sc-214238A
sc-214238B
5 mg
25 mg
50 mg
$200.00
$588.00
$982.00
(0)

4-Fluoro-7-nitrobenzofurazan is a thiol-reactive compound characterized by its strong electrophilic nature, enabling rapid and selective interactions with thiol groups. The presence of the nitro and fluoro substituents enhances its reactivity, facilitating nucleophilic attack and leading to the formation of stable adducts. Its unique electronic properties contribute to distinct fluorescence characteristics, allowing for sensitive detection of thiol concentrations in various environments. Additionally, the compound's solubility in organic solvents supports diverse applications in chemical biology.

N-(Iodoacetaminoethyl)-1-naphthylamine-5-sulfonic acid

36930-63-9sc-218970
1 g
$418.00
(0)

N-(Iodoacetaminoethyl)-1-naphthylamine-5-sulfonic acid exhibits remarkable reactivity towards thiol groups, driven by its electrophilic iodoacetamide moiety. This compound engages in covalent bonding with thiols, forming stable thioether linkages that can influence protein structure and function. Its naphthylamine structure imparts unique optical properties, enabling potential applications in fluorescence-based assays. The sulfonic acid group enhances solubility in aqueous environments, promoting versatile interactions in biochemical systems.

N-(Iodoacetylaminoethyl)-8-Naphthylamine-1-Sulfonic Acid

36930-64-0sc-212014
250 mg
$290.00
(0)

N-(Iodoacetylaminoethyl)-8-Naphthylamine-1-Sulfonic Acid is characterized by its potent electrophilic nature, primarily due to the iodoacetyl group, which facilitates selective reactions with thiol compounds. This interaction leads to the formation of stable thioether bonds, significantly altering the reactivity profiles of target molecules. The compound's naphthylamine framework contributes to its distinct photophysical properties, while the sulfonic acid moiety ensures high solubility, enhancing its compatibility in diverse biochemical environments.