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thiol labeling

" in MedChemExpress (MCE) Product Catalog:

58

Inhibitors & Agonists

23

Fluorescent Dye

3

Biochemical Assay Reagents

17

Isotope-Labeled Compounds

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-D1261
    Naph-EA-mal
    1 Publications Verification

    thiol-green 1

    Fluorescent Dye Others
    Naph-EA-mal (Thiol-green 1) is a rapid detect and ultrafast turn-on thiol fluorescence probe for protein labeling and bioimaging. Naph-EA-mal (Thiol-green 1) can be used to detect thiols in living cells, label the protein thiols, quantify the concentration of total thiols in cell lysate, and determine the reversible protein thiols oxidation in fixed cells . Ex: 488 nM; Em: 540 nM.
    Naph-EA-mal
  • HY-119493

    Fluorescent Dye Others
    MSBN is a highly selective fluorogenic probe for thiols. MSBN can be used to image thiols in live cells selectively and specifically label protein thiols with a signal to determine various reversible protein thiol modifications .
    MSBN
  • HY-100041
    Bromobimane
    5 Publications Verification

    Monobromobimane

    Fluorescent Dye Others
    Bromobimane (Monobromobimane) is a nonfluorescent and converts into fluorescent products when reacts with thiols. Bromobimane has potential applications in labeling thiols .
    Bromobimane
  • HY-130509

    Otmpmms

    Biochemical Assay Reagents Others
    MTSSL (Otmpmms) is highly reactive thiol-specific spin label, which is used to label protein thiol residues for protein structure and dynamics determination and protein-protein interaction studies .
    MTSSL
  • HY-135235

    Fluorescent Dye Others
    Cysteine Thiol Probe is a thiol-based probe designed to label electrophilic natural products. Cysteine Thiol Probe possesses each of the characteristics of an ideal pharmacophore probe, and has a chromophore. Cysteine Thiol Probe is capable of engaging enone-, β-lactam-, and β-lactone-based electrophilic metabolites .
    Cysteine thiol probe
  • HY-129846

    Biochemical Assay Reagents Others
    IBTP iodide is a lipophilic cation and can be accumulated by mitochondria and yields stable thioether adducts in a thiol-specific reaction. IBTP iodide can be used for specific labeling of mitochondrial protein thiols .
    IBTP iodide
  • HY-D1654

    Fluorescent Dye Others
    BDP 581/591 maleimide is a linker of the BDP 581/591 dye. It has a long fluorescence lifetime and can be used for fluorescence polarization assays. The maleimide group can react with thiol groups to form thioester bonds between pH 6.5 to 7.5, for the labeling of sulfhydryl groups of proteins and peptides.
    BDP 581/591 maleimide
  • HY-W011814S

    Isotope-Labeled Compounds Others
    Hexadecane-1-thiol-d33 is the deuterium labeled Hexadecane-1-thiol[1].
    Hexadecane-1-thiol-d33
  • HY-W009299S

    Isotope-Labeled Compounds Others
    Octadecane-1-thiol-d37 is the deuterium labeled Octadecane-1-thiol[1].
    Octadecane-1-thiol-d37
  • HY-W012578S2

    2-Methoxy-3-(methylethyl)pyrazine-d7

    Isotope-Labeled Compounds Others
    2-Isopropyl-3-methoxypyrazine-d7 is deuterated labeled 2-Methylfuran-3-thiol.
    2-Isopropyl-3-methoxypyrazine-d7
  • HY-W268109S

    Isotope-Labeled Compounds Others
    3-Mercaptopentan-2-one-d2 is deuterated labeled 3-Methylbut-2-ene-1-thiol.
    3-Mercaptopentan-2-one-d2
  • HY-W275481S2

    γ-Laurolactone-d7

    Isotope-Labeled Compounds Others
    5-Octyldihydrofuran-2(3H)-one-d7 is deuterated labeled 1-(Furan-2-yl)ethane-1-thiol.
    5-Octyldihydrofuran-2(3H)-one-d7
  • HY-W010517S

    Isotope-Labeled Compounds Others
    1-Methyl-5-mercapto-1,2,3,4-tetrazole-d3 is the deuterium labeled 1-Methyl-1H-tetrazole-5-thiol[1].
    1-Methyl-5-mercapto-1,2,3,4-tetrazole-d3
  • HY-156559

    Biochemical Assay Reagents Others
    GlcNAc-SH is a thiol-derivatized saccharide that can be used to label Dha to generate glycoprotein mimics .
    GlcNAc-SH
  • HY-D0071

    Fluorescent Dye Others
    N-4-(5,6-Dimethoxy-N-phthalimidinyl)phenylmaleimide is a fluorescence reagent for labeling thiol .
    N-4-(5,6-Dimethoxy-N-phthalimidinyl)phenylmaleimide
  • HY-W010529S

    3-Mercapto-2-methylfuran-d3

    Isotope-Labeled Compounds Others
    2-Methylfuran-3-thiol-d3 is deuterated labeled Decan-2-one.
    2-Methylfuran-3-thiol-d3
  • HY-D1363

    Fluorescent Dye Others
    BDP R6G maleimide is a borodipyrromethane fluorophore with absorption and emission wavelengths similar to those of R6G rhodamine. Sulfhydryl labelling is a common protein modification where the cysteine residues in the protein allow more site-specific labelling than the NHS ester of the amine group. BDP R6G maleimide is a thiol reactive dye that reacts with thiol groups to form thioester bonds .
    BDP R6G maleimide
  • HY-W176660S

    3-Methyl-2-butene-1-thiol-d6

    Isotope-Labeled Compounds Others
    3-Methylbut-2-ene-1-thiol-d6 is deuterated labeled (Ethyldisulfanyl)ethane.
    3-Methylbut-2-ene-1-thiol-d6
  • HY-D1781

    Fluorescent Dye Others
    NTPAN-MI is a fluorescent probe. NTPAN-MI is selectively activated upon labeling unfolded proteins with exposed thiols, thereby reporting on the extent of proteostasis .
    NTPAN-MI
  • HY-W192474S

    2-(1-Mercaptoethyl)furan-d3

    Isotope-Labeled Compounds Others
    1-(Furan-2-yl)ethane-1-thiol-d3 is deuterated labeled Allyl methyl disulfide.
    1-(Furan-2-yl)ethane-1-thiol-d3
  • HY-N0394S1
    L-Cystine-d4
    1 Publications Verification

    Isotope-Labeled Compounds Endogenous Metabolite Ferroptosis Others
    L-Cystine-d4 is the deuterium labeled L-Cystine. L-Cystine is an amino acid and intracellular thiol, which plays a critical role in the regulation of cellular processes.
    L-Cystine-d4
  • HY-D2448

    Fluorescent Dye Cancer
    Cy3-PEG-Thiol (Cy3-PEG-SH) is a near infrared fluorescent labeling reagent that combines Cy3 fluorescent dye, polyethylene glycol (PEG) and sulfhydryl (SH) polyethylene glycol derivatives, and is suitable for molecular coupling. Cy3-PEG-Thiol is absorbed at 550nm and has high solubility and end-group substitution rate .
    Cy3-PEG-Thiol
  • HY-N0394S3

    Endogenous Metabolite Ferroptosis Others
    L-Cystine- 34S2 is the 34S-labeled L-Cystine. L-Cystine is an amino acid and intracellular thiol, which plays a critical role in the regulation of cellular processes.
    L-Cystine-34S2
  • HY-D2498

    Fluorescent Dye Others
    Cy7 maleimide is a fluorescent dye containing a Maleimide (HY-W007324) functional group. Maleimide can be used to label thiol groups on antibodies, proteins and peptides .
    Cy7 maleimide
  • HY-N0394S2

    Endogenous Metabolite Ferroptosis Others
    (S)-L-Cystine- 15N2 is the 15N-labeled L-Cystine. L-Cystine is an amino acid and intracellular thiol, which plays a critical role in the regulation of cellular processes.
    (S)-L-Cystine-15N2
  • HY-114350

    Fluorescent Dye Others
    BDP FL maleimide is a thiol-reactive dye (Ex: 503 nm; Em: 509 nm). BDP FL maleimide can be used for protein labeling, peptide modification, and can replace fluorescein (FAM) for microscopy .
    BDP FL maleimide
  • HY-D2488

    Fluorescent Dye Others
    Sulfo Cy5.5-maleimide is a fluorescent dye containing a Maleimide (HY-W007324) functional group. Maleimide can be used to label thiol groups on antibodies, proteins and peptides.
    Sulfo Cy5.5-maleimide
  • HY-157919

    N-6-(Biotinylamino)hexanoyl-N'-[2-(N-maleimido)ethyl]piperazine, hydrochloride

    Biochemical Assay Reagents Others
    Biotin-PEAC5-maleimide hydrochloride is a biochemical assay reagent, and can be used in biotin-PEAC5-maleimide (BPM)-labeling assay to assess modification of protein thiols by electrophiles .
    Biotin-PEAC5-maleimide hydrochloride
  • HY-118112

    Biochemical Assay Reagents Others
    4-N-Maleimidobenzoicacid-NHS is a PEG linker that finds utility in bioconjugation endeavors and protein labeling ventures. Specifically designed for selective reaction with thiol groups, the maleimide group establishes covalent linkages, thereby facilitating the coupling of proteins, peptides, or diverse molecules to thiol-bearing biomolecules. The NHS ester is able to react specifically and efficiently with primary amines (e.g. the side chain of lysine residues or aminosilane-coated surfaces) at neutral or slightly basic conditions to form a covalent bond.
    4-N-Maleimidobenzoicacid-NHS
  • HY-W615173

    Biochemical Assay Reagents Others
    NHS ester-C2-NHCO-C2-NHS is a heterobifunctional PEG linker, featuring a terminal NHS ester that can be used to label amine compounds and maleimide group for reactions with thiol groups.
    NHS ester-C2-NHCO-C2-NHS
  • HY-D0807
    5-IAF
    1 Publications Verification

    5-Iodoacetamidofluorescein

    Fluorescent Dye Cancer
    5-IAF (5-Iodoacetamidofluorescein) is an idoacetamide derivate of fluoresceine. 5-IAF can be used as fluorescent probe that labels proteins and other molecules having free thiols (cysteine side chains) .
    5-IAF
  • HY-D1390A

    Fluorescent Dye Others
    Sulfo-Cy5-Mal is a fluorescent dye with the form of active ester that reacts with thiol groups in proteins to form stable conjugates. Sulfo-Cy5-Mal that can be used to label protein .
    Sulfo-Cy5-Mal
  • HY-136769

    Biochemical Assay Reagents Others
    Biotin-HPDP is a biochemical reagent. Biotin-HPDP can couple with GMPS and label free protein thiols. Biotin-HPDP can be used as a biological material or organic compound for life science related research .
    Biotin-HPDP
  • HY-123749

    5-TMRIA

    Fluorescent Dye Others
    Tetramethylrhodamine-5-iodoacetamide (5-TMRIA) is a thiol-selective reactive dye that is used to non-specifically label proteins via the cysteine residues. Tetramethylrhodamine-5-iodoacetamide (5-TMRIA) can be used to covalently label DNA fragments .
    Tetramethylrhodamine-5-iodoacetamide
  • HY-N0394S4

    Ferroptosis Endogenous Metabolite Others
    L-Cystine-3,3'- 13C2 is the 13C labeled L-Cystine[1]. L-Cystine is an amino acid and intracellular thiol, which plays a critical role in the regulation of cellular processes[2].
    L-Cystine-3,3'-13C2
  • HY-D0097

    Fluorescent Dye Others
    7-Fluorobenzofurazan-4-sulfonic acid ammonium is a fluorescent label. 7-Fluorobenzofurazan-4-sulfonic acid ammonium can be used for detecting dissolved thiol-disulfide (e.g., Cys, GSH) .
    7-Fluorobenzofurazan-4-sulfonic acid ammonium
  • HY-W011500S
    TCEP-d16 hydrochloride
    1 Publications Verification

    Isotope-Labeled Compounds Others
    TCEP-d16 (hydrochloride) is the deuterium labeled TCEP hydrochloride[1]. TCEP hydrochloride (Tris(2-carboxyethyl)phosphine hydrochloride) is a non-thiol reducing agent that is more stable and produces a faster S-S reductive reaction than other chemical reductants. TCEP hydrochloride is a trialkylphosphine, selectively reduces protein disuldes without altering the properties or interacting with thiol-directed agents in the reaction mixture. TCEP hydrochloride is also a commonly used reducing agent in the DNA/AuNP chemistry[2][3][4][5].
    TCEP-d16 hydrochloride
  • HY-D1605

    Fluorescent Dye Others
    BODIPY FL L-Cystine is a thiol-reactive, green-fluorescent dye. BODIPY FL L-Cystine can be the labeling of membrane proteins, proteins with hydrophobic binding sites, or hydrophobic ligands. (λex=504 nm, λem=511 nm) .
    BODIPY FL L-Cystine
  • HY-W394551

    Biochemical Assay Reagents Others
    Methyl 3,4-dibromo-2,5-dioxo-2,5-dihydro-1H-pyrrole-1-carboxylate is a small pyrrolidone molecule which features two bromine atoms and a methyl ester. The unsaturated dibromo motif is a covalent ligand for thiol groups, and may be used to label cysteine residues in proteins. The presence of two leaving groups on this molecule allows this linker to bind two thiols at a time. The methyl ester can be saponified to link this molecule to amines to form larger structures.
    Methyl 3,4-dibromo-2,5-dioxo-2,5-dihydro-1H-pyrrole-1-carboxylate
  • HY-W700621

    Tris(2-​carboxyethyl)​phosphine hydrochloride-d12

    Isotope-Labeled Compounds Others Others
    TCEP-d12 (hydrochloride) (Tris(2-?carboxyethyl)?phosphine hydrochloride-d12) is deuterium labeled TCEP (hydrochloride). TCEP hydrochloride (Tris(2-carboxyethyl)phosphine hydrochloride) is a non-thiol reducing agent that is more stable and produces a faster S-S reductive reaction than other chemical reductants. TCEP hydrochloride is a trialkylphosphine, selectively reduces protein disuldes without altering the properties or interacting with thiol-directed agents in the reaction mixture. TCEP hydrochloride is also a commonly used reducing agent in the DNA/AuNP chemistry .
    TCEP-d12 hydrochloride
  • HY-D1260

    PSH-red

    Fluorescent Dye Neurological Disease
    FM-red (PSH-red) is a red-emitting and environment-sensitive probe for selectively detecting and labeling protein thiols. FM-red can be used to image protein sulfhydryl groups in live cells and in vivo. FM-red also could be used to measure of the redox states of thioredoxin (Trx) .
    FM-red
  • HY-D2381

    Fluorescent Dye Others
    AF 488 maleimide is a thiol-reactive dye for labeling of protein SH groups, and it can be used to attach AF 488 fluorophore to proteins and peptides containing cysteine residues, as well as to other thiolated molecules. AF488 exhibits the λem and λex wavelength of 520 nm and 470 nm, respectively .
    AF 488 maleimide
  • HY-D2150

    Fluorescent Dye Others
    AF 430 maleimide is a derivative of the yellow fluorescent dye AF 430. AF430 has an excitation wavelength of 425 nm and an emission wavelength of 542 nm. AF 430 maleimide contains maleimide groups that react with thiol groups to form covalent bonds. To achieve specific coupling of dye labels and biomolecules .
    AF 430 maleimide
  • HY-157920

    N-Biotinyl-N'-[2-(N-maleimido)ethyl]piperazine

    Biochemical Assay Reagents Others
    Biotin-PE-maleimide (N-Biotinyl-N'-[2-(N-maleimido)ethyl]piperazine) is a bulky, membrane-impermeable, sulfhydryl-containing reagent with a relatively large molecular size. Biotin-PE-maleimide can be used for biotin labeling (such as thiol groups) and detection of proteins or other biomolecules .
    Biotin-PE-maleimide
  • HY-W578278

    Biochemical Assay Reagents Others
    tert-Butyl (2-(pyridin-2-yldisulfanyl)ethyl)carbamate consists of a tert-butyl group, where the protected amine can be deprotected under mild acidic conditions, and the other part of the molecule may act as a thiol-specific labeling reagent, commonly used in reversibly binding cysteine residues on proteins.
    tert-Butyl (2-(pyridin-2-yldisulfanyl)ethyl)carbamate
  • HY-W800720

    Biochemical Assay Reagents Others
    (S)-2-amino-4-(2-(pyridin-2-yl)disulfanyl)butanoic acid is a small molecule reagent with a 2-thiopyridine linked to a short amino acid. SPDP is a thiol-specific labeling reagent, commonly used in reversibly binding cysteine residues on proteins. The disulfide bond it forms with the cysteine is selectively cleaved in the reducing environment of the cell cytoplasm.
    S-(Pyridin-2-ylthio)-L-homocysteine
  • HY-W615327

    Biochemical Assay Reagents Others
    Bis-sulfone NHS Ester is a bis-alkylating labeling reagent that is selective for the cysteine sulfur atoms from a native disulfide. These reagents undergo bis-alkylation to conjugate both thiols derived from the two cysteine residues of a reduced native disulfide bond such as the interchain disulfide bonds of an antibody. The reaction results in covalent rebridging of the disulfide bond via a three carbon bridge leaving the protein structurally intact.
    Bis-sulfone NHS ester
  • HY-172291

    ADC Linker Cancer
    Mal-amide-PEG8-Val-Cit-PAB-PNP is a cleavable ADC linker featuring a maleimide, a PEG spacer, a Val-Cit dipeptide, a PAB. and a PNP carbonate. Maleimide is a thiol-specific covalent linker which is used to label cysteine residues in proteins while the PNP group acts as a highly activated leaving group. Val-Cit linkers are cleaved by cytoplasmic peptidases.
    Mal-amide-PEG8-Val-Cit-PAB-PNP
  • HY-W020050S

    Apoptosis Caspase Glutaminase Cancer
    Cystamine-d8 (dihydrochloride) is the deuterium labeled Cystamine (dihydrochloride)[1]. Cystamine (dihydrochloride) is the disulfide form of the free thiol, cysteamine. Cystamine is an orally active transglutaminase (Tgase) inhibitor. Cystamine also has inhibition activity for caspase-3 with an IC50 value of 23.6 μM. Cystamine can be used for the research of severals diseases including Huntington's disease (HD)[2][3][4].
    Cystamine-d8 dihydrochloride
  • HY-D2510

    Fluorescent Dye Cancer
    Cy3-PEG-SH (MW 2000) (Cy3-PEG-Thiol) is a near infrared fluorescent labeling reagent that combines Cy3 fluorescent dye, polyethylene glycol (PEG) and sulfhydryl (SH) polyethylene glycol derivatives, and is suitable for molecular coupling. Cy3-PEG-SH (MW 2000) is absorbed at 550nm and has high solubility and end-group substitution rate .
    Cy3-PEG-SH (MW 2000)

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