Date published: 2025-12-5

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Spin Traps, Spin Probes and Spin Labels

Santa Cruz Biotechnology now offers a broad range of Spin Traps, Spin Probes, and Spin Labels for use in various applications. Spin traps, spin probes, and spin labels are specialized chemicals used extensively in electron paramagnetic resonance (EPR) spectroscopy to detect, identify, and quantify free radicals and other paramagnetic species in various research contexts. Spin traps are compounds that react with transient free radicals to form more stable radical adducts, which can then be studied via EPR to provide insights into the dynamics and mechanisms of radical formation and decay. Spin probes are stable radicals that interact with their environment, allowing researchers to study the microenvironmental conditions, such as polarity and viscosity, within biological membranes or synthetic materials. Spin labels are specific molecules covalently attached to proteins, nucleic acids, or other macromolecules, facilitating the study of molecular structure, dynamics, and interactions through EPR. These tools are invaluable in fields such as biochemistry, molecular biology, and materials science, where understanding the behavior of free radicals and the structural properties of macromolecules is crucial. They enable the detailed study of oxidative stress, enzymatic activity, and the physical properties of polymers and other complex systems. By offering a diverse selection of high-quality spin traps, spin probes, and spin labels, Santa Cruz Biotechnology supports the scientific community in performing accurate and reproducible experiments, leading to new discoveries and advancements in various research areas. View detailed information on our available Spin Traps, Spin Probes, and Spin Labels by clicking on the product name.

Items 61 to 70 of 90 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

3-Bromomethyl-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-1-yloxy

76893-32-8sc-209552
5 mg
$300.00
(0)

3-Bromomethyl-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-1-yloxy serves as an effective spin trap, characterized by its ability to stabilize radical species through the formation of stable spin adducts. The bromomethyl group enhances its reactivity, promoting selective interactions with various radicals. Its unique pyrrol-1-yloxy structure allows for efficient electron delocalization, making it a valuable probe for studying radical mechanisms and dynamics in complex chemical systems.

3,4-Dibromo-1-oxyl-2,2,5,5-tetramethyl-δ3-pyrroline

78033-68-8sc-216573
25 mg
$300.00
(0)

3,4-Dibromo-1-oxyl-2,2,5,5-tetramethyl-δ3-pyrroline functions as a versatile spin probe, adept at capturing transient radical species. Its dibromo substitution enhances electron-withdrawing effects, facilitating rapid spin adduct formation. The unique δ3-pyrroline framework allows for distinct electron resonance characteristics, enabling detailed analysis of radical behavior and kinetics. This compound's robust stability and selective reactivity make it an essential tool for probing radical processes in diverse chemical environments.

4-Bromo-1-oxyl-2,2,5,5-tetramethyl-δ3-pyrroline-3-carboxylic Acid

78033-69-9sc-209970
25 mg
$300.00
(0)

4-Bromo-1-oxyl-2,2,5,5-tetramethyl-δ3-pyrroline-3-carboxylic Acid serves as an effective spin trap, adept at stabilizing radical intermediates through its unique structural features. The presence of the carboxylic acid group enhances solubility and reactivity, promoting selective interactions with various radical species. Its distinctive electron resonance properties allow for precise monitoring of reaction dynamics, making it a valuable asset in studying radical mechanisms and pathways.

4-Methoxy-TEMPO

95407-69-5sc-226713
5 g
$156.00
(0)

4-Methoxy-TEMPO is a versatile spin probe known for its ability to selectively interact with free radicals, thanks to its methoxy substituent that modulates electron density. This compound exhibits unique electron paramagnetic resonance (EPR) characteristics, enabling detailed analysis of radical formation and decay. Its stable nitroxide structure facilitates rapid kinetics in radical trapping, providing insights into reaction mechanisms and enhancing the understanding of oxidative processes.

trans-3-Methoxycarbonyl-2,2,5,5-tetramethyl-4-nitromethyl-pyrrolidin-1-oxyl

119580-75-5sc-208458
25 mg
$330.00
(0)

Trans-3-Methoxycarbonyl-2,2,5,5-tetramethyl-4-nitromethyl-pyrrolidin-1-oxyl serves as an effective spin trap and probe, characterized by its unique nitromethyl and methoxycarbonyl groups that influence its reactivity with radical species. This compound exhibits distinct electron paramagnetic resonance (EPR) properties, allowing for precise monitoring of radical dynamics. Its robust structure promotes efficient electron transfer, enhancing the study of reaction pathways and radical stabilization mechanisms.

1-(3-Chlorophenyl)-2-hydroxy-1-propanone

152943-33-4sc-208534
5 mg
$250.00
(0)

1-(3-Chlorophenyl)-2-hydroxy-1-propanone functions as a versatile spin trap and probe, distinguished by its chlorophenyl and hydroxyl functionalities that facilitate selective interactions with reactive radicals. This compound exhibits notable electron delocalization, enhancing its stability and reactivity in radical scavenging processes. Its unique structural features allow for effective monitoring of spin dynamics, providing insights into reaction kinetics and radical formation pathways.

Ethyl 4-Bromo-1-oxyl-2,2,5,5-tetramethyl-δ3-pyrroline-3-carboxylate

215956-48-2sc-218387
25 mg
$330.00
(0)

Ethyl 4-Bromo-1-oxyl-2,2,5,5-tetramethyl-δ3-pyrroline-3-carboxylate serves as an effective spin trap and probe, characterized by its unique oxyl and bromo substituents that enhance its reactivity towards free radicals. The compound's distinctive pyrroline structure promotes rapid electron transfer, facilitating the formation of stable adducts with transient species. This enables detailed exploration of radical mechanisms and dynamics, making it a valuable tool in studying oxidative processes.

4-Bromo-(1-oxyl-2,2,5,5-tetramethyl-δ3-pyrroline-3-methyl) Methanethiosulfonate

215956-55-1sc-209969
10 mg
$700.00
(0)

4-Bromo-(1-oxyl-2,2,5,5-tetramethyl-Δ3-pyrroline-3-methyl) Methanethiosulfonate is a specialized spin trap and probe, distinguished by its unique methanethiosulfonate group that enhances its interaction with reactive oxygen species. The compound's robust electron delocalization within the pyrroline framework allows for efficient stabilization of radical intermediates. This property enables precise monitoring of radical formation and decay, providing insights into complex oxidative pathways and reaction kinetics.

trans-3,4-Bis(hydroxymethyl)-2,2,5,5-tetramethylpyrrolidin-1-yloxyl

229621-07-2sc-208459
10 mg
$263.00
(0)

Trans-3,4-Bis(hydroxymethyl)-2,2,5,5-tetramethylpyrrolidin-1-yloxyl serves as an effective spin trap and probe, characterized by its dual hydroxymethyl groups that facilitate hydrogen bonding and enhance solubility in various environments. The compound's stable nitroxide radical structure allows for selective interaction with free radicals, enabling detailed studies of radical dynamics and mechanisms. Its unique steric configuration contributes to its reactivity, making it a valuable tool for probing oxidative stress and radical-mediated processes.

1-Hydroxy-4-carboxyl-2,2,6,6-tetramethylpiperidine, Methyl Ester

439858-36-3sc-213337
10 mg
$300.00
(0)

1-Hydroxy-4-carboxyl-2,2,6,6-tetramethylpiperidine, Methyl Ester serves as an advanced spin trap and probe, characterized by its unique piperidine framework that enhances electron delocalization. This compound exhibits a high affinity for reactive radicals, enabling it to stabilize and characterize transient species effectively. Its distinct carboxyl and hydroxyl functionalities facilitate specific molecular interactions, allowing for detailed studies of radical dynamics and reaction mechanisms in various environments.