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sulfhydryls

" in MedChemExpress (MCE) Product Catalog:

165

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41

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79

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1

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GMP Molecules

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-D0843
    N-Ethylmaleimide
    35+ Cited Publications

    NEM

    Cathepsin Deubiquitinase Apoptosis Others
    N-Ethylmaleimide (NEM) derives from maleic acid, it can alkylates free sulfhydryl. N-Ethylmaleimide is an irreversible cysteine protease inhibitor. N-ethylmaleimide specific inhibits phosphate transport in mitochondria. N-Ethylmaleimide inhibits prolyl endopeptidase with an IC50 value of 6.3 μM. N-Ethylmaleimide can be used to modify cysteine residues in proteins and peptides .
    N-Ethylmaleimide
  • HY-148905
    p-Aminophenylmercuric acetate
    Maximum Cited Publications
    10 Publications Verification

    Cathepsin MMP Infection
    p-Aminophenylmercuric acetate is an organomercurial activator of matrix metalloproteinases (MMP). P-Aminophenylmercuric acetate participates in the activation and inhibition of MMP-8 by attacking protein sulfhydryl or inducing cysteine switching reaction. p-Aminophenylmercuric acetate promotes the shedding of betacellulin precursor (pro-BTC). p-Aminophenylmercuric acetate influences the binding of agonists and antagonists to the opiate receptor .
    p-Aminophenylmercuric acetate
  • HY-D0975
    Sulfo-SMCC sodium
    5 Publications Verification

    ADC Linker Cancer
    Sulfo-SMCC sodium is a commonly used hetero-bifunctional, noncleavable ADC crosslinker bearing N-hydroxysuccinimide (NHS) ester and maleimide groups to react with primary amines and sulfhydryl groups, respectively.
    Sulfo-SMCC sodium
  • HY-42360
    SMCC
    1 Publications Verification

    ADC Linker Cancer
    SMCC is a protein crosslinker. SMCC contains an amine-reactive N-hydroxysuccinimide ester and a sulfhydryl-reactive maleimide group that can be used in the conjugation of proteins. SMCC-conjugated antigen coupled spleen cells to induce antigen-specific immune responses .
    SMCC
  • HY-141540
    Lactyl-CoA
    4 Publications Verification

    Biochemical Assay Reagents Endogenous Metabolite Others
    Lactyl-CoA is an acyl-CoA formally condensed from the sulfhydryl group of CoA and the carboxyl group of lactic acid, also known as lactyl-CoA. Lactyl-CoA is essential for the biosynthesis of biodegradable and biocompatible lactic acid-based copolymers .
    Lactyl-CoA
  • HY-135233

    SATA

    Biochemical Assay Reagents Others
    N-Succinimidyl S-acetylthioacetate (SATA) is a protein modifying agent. N-Succinimidyl S-acetylthioacetate adds sulfhydryl groups to proteins and other amine-containing molecules in a protected form. N-Succinimidyl-S-acetylthioacetate can thiolate antibodies, thereby promoting efficient attachment of antibodies to other molecules and exerting conjugation activity. N-Succinimidyl-S-acetylthioacetate can be used in immunoassays such as ELISA studies .
    N-Succinimidyl-S-acetylthioacetate
  • HY-D1730
    AF488 NHS ester
    1 Publications Verification

    Fluorescent Dye Others
    AF488 NHS ester is an amine specific fluorescence probe (Em=525 nm). AF488 NHS ester reacts with sulfhydryl groups and amines in aqueous and biological samples then change their chemical structure and fluorescence properties after derivatization .
    AF488 NHS ester
  • HY-78961

    EMCS

    ADC Linker Cancer
    6-Maleimidohexanoic acid N-hydroxysuccinimide ester (EMCS) is a heterobifunctional cross-linking reagent. EMCS is used as a unique and useful reagent for preparation of hapten conjugate and enzyme immunoconjugates .
    6-Maleimidohexanoic acid N-hydroxysuccinimide ester
  • HY-W020780

    mPEG5000-Maleimide

    Biochemical Assay Reagents Cancer
    mPEG5000-Mal (mPEG5000-Maleimide) is a PEG-derived selective covalent binding agent for sulfhydryl groups (RSGs), which can form irreversible thioether bonds with sulfhydryl groups under near-neutral conditions via the maleimide group. The mechanism of action of mPEG5000-Mal can be divided into two categories: firstly, as an enzyme modifier, it binds to target proteins through hydrophobic interactions, hydrogen bonds, and van der Waals forces, altering the protein's secondary structure; secondly, as a nanoparticle surface modifier, it covalently binds to sulfhydryl groups on the surface of red blood cells, changing the surface properties and morphology of the red blood cells, leading to their phagocytosis by macrophages of the reticuloendothelial system. mPEG5000-Mal can react with free cysteine in proteins, increasing the apparent molecular weight of the modified protein by 10-15 kDa for detection purposes. mPEG5000-Mal can enhance the thermal stability and catalytic activity of enzymes, and improve the macrophage targeting of nanoparticles, enabling targeted drug delivery. mPEG5000-Mal can be applied in enzyme engineering research in the food industry and in oncology, assisting radiotherapy by inhibiting tumor-associated macrophage infiltration and enhancing anti-tumor immune responses .
    mPEG5000-Mal
  • HY-100216
    SPDP
    5 Publications Verification

    SPDP Crosslinker; Py-ds-Prp-OSu

    ADC Linker Cancer
    SPDP (SPDP Crosslinker) is a short-chain crosslinker for amine-to-sulfhydryl conjugation via NHS-ester and pyridyldithiol reactive groups that form cleavable (reducible) disulfide bonds with cysteine sulfhydryls. It is a glutathione cleavable ADC linker used for the antibody-drug conjugates (ADCs) .
    SPDP
  • HY-Y1666

    Biochemical Assay Reagents Others
    2,2′-Dipyridyl disulfide is a useful reagent for the determination of sulfhydryl groups. 2,2′-Dipyridyl disulfide is a common reagent in peptide chemistry, often used in oxidation–reduction condensations to form peptide bonds or in coupling reactions to form disulfide-linked heterodimers .
    2,2′-Dipyridyl disulfide
  • HY-128925
    AMAS
    1 Publications Verification

    ADC Linker Cancer
    AMAS is a nonclaevable heterobifunctional crosslinker with NHS ester and maleimide groups that allows covalent conjugation of amine- and sulfhydryl-containing molecules.
    AMAS
  • HY-119970
    Helenalin
    5+ Cited Publications

    NF-κB Inflammation/Immunology Cancer
    Helenalin is an anti-inflammatory sesquiterpene lactone. Helenalin selectively inhibits transcription factor NF-κB by directly targeting p65. Helenalin has alkylating activity, targets the cysteine sulfhydryl groups in the p65 subunit of NF-κB, thereby inhibits its DNA binding .
    Helenalin
  • HY-D0843S

    NEM-d5

    Cathepsin Deubiquitinase Others
    N-Ethylmaleimide-d5 is the deuterium labeled N-Ethylmaleimide. N-Ethylmaleimide (NEM), a reagent that alkylates free sulfhydryl groups, is a cysteine protease inhibitor . N-ethylmaleimide specific inhibits phosphate transport in mitochondria . N-Ethylmaleimide is also a deubiquitinating enzyme inhibitor .
    N-Ethylmaleimide-d5
  • HY-121167
    L-Albizziin
    1 Publications Verification

    Glutaminase Cancer
    L-albizziin, as a sulfhydryl group reagent, is a glutamase inhibitor. L-albizziin can be used for the research of cancer .
    L-Albizziin
  • HY-W041994

    Fructose-1,6-bisphosphate aldolase Biochemical Assay Reagents Cancer
    GMBS is a heterobifunctional crosslinker targeting primary amines and sulfhydryl groups. GMBS can be used for chemical crosslinking of proteins and crosslinking mass spectrometry (CXMS) to study protein folding and map interfaces between interacting proteins .
    GMBS
  • HY-Y0102

    2-Mercaptobenzoic acid

    Biochemical Assay Reagents Drug Intermediate Infection
    Thiosalicylic acid (2-Mercaptobenzoic acid) is an organosulfur compound bearing both sulfhydryl and carboxyl functional groups. Thiosalicylic acid acts as a desulfurizing agent. Thiosalicylic acid also serves as a ligand to synthesize azosulfonamide derivatives with antibacterial and antifungal activities, as well as their Fe 3+, Cu 2+ and Hg 2+ chelates .
    Thiosalicylic acid
  • HY-N6773

    HIV Protease Fungal Infection
    Cytochalasin A is a cell-permeable fungal toxin that is an oxidized derivative of cytochalasin B. Cytochalasin A is an inhibitor of HIV-1 protease (IC50=3 μM) and inhibits actin polymerization and interferes with microtubule assembly by reacting with sulfhydryl groups. Antibiotic and fungicidal activitives .
    Cytochalasin A
  • HY-174921A

    Biochemical Assay Reagents Others
    Maleimide-PEG2000-COOH is a PEG derivative composed of Maleimide (HY-W007324), PEG units and carboxyl (-COOH). Carboxyl can easily form a stable amide bond with amino groups or an ester bond with hydroxyl groups. Maleimide forms a stable thioether bond with sulfhydryl (-SH) .
    Maleimide-PEG2000-COOH
  • HY-E70364

    Biochemical Assay Reagents Inflammation/Immunology
    IgdE protease is a cysteine protease, which is initially isolated from Streptococcus agalactiae. IgdE protease digests monoclonal antibodies (mAbs) of the IgG1 type specifically at their upper hinge region, produces Fc/2, hinge peptide dimers, and Fab fragment. IgdE protease can be used in disulfide bonds and free thiol analysis, as it requires no reducing agents for cleavage .
    IgdE protease
  • HY-W1048849B

    4-Arm PEG-thiol (MW 10000)

    Biochemical Assay Reagents Others
    4-Arm PEG-SH (MW 10000) (4-Arm PEG-thiol (MW 10000)) is a multi-arm PEG derivative with thiol groups at each end of the four arms. The reactive free thiol, SH or sulfhydryl groups react selectively with maleimide and transition metal surfaces including gold and silver .
    4-Arm PEG-SH (MW 10000)
  • 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-W1048553A

    Biochemical Assay Reagents Others
    Mal-PEG2000-NH2TFA is a linear heterobifunctional PEG product with maleimide and NH2 groups. The maleimide can react with thiols, SH, sulfhydryls or sulfhydryls, and the amine can react with carboxylic acids or activated NHS esters .
    Mal-PEG2000-NH2 TFA
  • HY-120128

    Biochemical Assay Reagents Neurological Disease
    MTSEA hydrobromide is a sulfhydryl-reactive compound that modifies free cysteine residues to produce a positively charged side chain approximately the size of lysine .
    MTSEA hydrobromide
  • HY-N16290

    Biochemical Assay Reagents Others
    Chol-PEG2000-maleimide is a PEG derivative composed of Cholesterol, PEG units and Maleimide (HY-W007324). Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups .
    Chol-PEG2000 maleimide
  • HY-129654

    Sodium (2-Sulfonatoethyl)methanethiosulfonate

    Biochemical Assay Reagents Others
    MTSES sodium (Sodium (2-Sulfonatoethyl)methanethiosulfonate) is a negatively charged, membrane-impermeable methanethiosulfonate (MTS). MTS is a compound that reacts with sulfhydryl groups to form mixed disulfide bonds and is often used to study cysteine ??residues on proteins.
    MTSES sodium
  • HY-D2798

    Fluorescent Dye Others
    FITC-PEG400-SH is a fluorescent dye composed of polyethylene glycol (PEG), FITC (HY-66019) and a sulfhydryl (SH). FITC-PEG400-SH can be used for fluorescent labeling and imaging .
    FITC-PEG400-SH
  • HY-D1565
    Cy7.5 maleimide
    1 Publications Verification

    Fluorescent Dye Others
    Cy7.5 maleimide is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .
    Cy7.5 maleimide
  • HY-137791

    Fluorescent Dye Others
    MMBC is a sulfhydryl-sensitive fluorophore .
    MMBC
  • HY-W1048553B
    Mal-PEG3400-NH2 TFA
    1 Publications Verification

    Biochemical Assay Reagents Others
    Mal-PEG3400-NH2TFA is a linear heterobifunctional PEG product with maleimide and NH2 groups. The maleimide can react with thiols, SH, sulfhydryls or sulfhydryls, and the amine can react with carboxylic acids or activated NHS esters .
    Mal-PEG3400-NH2 TFA
  • HY-W1048553C

    Biochemical Assay Reagents Others
    Mal-PEG5000-NH2TFA is a linear heterobifunctional PEG product with maleimide and NH2 groups. The maleimide can react with thiols, SH, sulfhydryls or sulfhydryls, and the amine can react with carboxylic acids or activated NHS esters .
    Mal-PEG5000-NH2 TFA
  • HY-164785

    Drug Intermediate Others
    TCO-PEG5-maleimide is a PEG linker with TCO and maleimide groups, specifically enabling tetrazine click chemistry and thiol conjugation for bioconjugation, probe design, and drug delivery.
    TCO-PEG5-C2-Mal
  • HY-W273281

    MOFs Others
    6,6′-Dithiodinicotinic acid is a sulfur-containing organic compound belonging to nicotinic acid derivatives, which can be used as a specific sulfhydryl blocker .
    6,6′-Dithiodinicotinic acid
  • HY-D1869

    Fluorescent Dye Others
    800CW maleimide is an infrared dye that can be used for labeling molecules that contain free sulfhydryl (–SH) groups (Ex: 778 nm; Em: 796 nm). 800CW maleimide binds to plasma proteins .
    800CW maleimide
  • HY-174953A

    Biochemical Assay Reagents Others
    TPP-PEG2000-Mal is a PEG derivative composed of triphenyl phosphate (TPP), PEG units, and Maleimide (HY-W007324). Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups .
    TPP-PEG2000-Mal
  • HY-174953B

    Biochemical Assay Reagents Others
    TPP-PEG3400-Mal is a PEG derivative composed of triphenyl phosphate (TPP), PEG units, and Maleimide (HY-W007324). Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups .
    TPP-PEG3400-Mal
  • HY-W190755

    Biochemical Assay Reagents Others
    Mal-PEG4-Mal is a PEG derivative with maleimide groups at both ends. Maleimide is a functional group that can undergo Michael addition reactions with sulfhydryl groups (–SH) and can be used for bioconjugation .
    Mal-PEG4-mal
  • HY-D2798B

    Fluorescent Dye Others
    FITC-PEG5000-SH is a fluorescent dye composed of polyethylene glycol (PEG), FITC (HY-66019) and a sulfhydryl (SH). FITC-PEG5000-SH can be used for fluorescent labeling and imaging .
    FITC-PEG5000-SH
  • HY-D2182

    Fluorescent Dye Others
    Preactivated PE-Cy5 Maleimide is a sulfhydryl reactive dye that reacts with free sulfhydryl groups on proteins. Preactivated APC-Cy5.5 Maleimide binds easily to proteins or antibodies, and does not change the spectral characteristics of APC-Cy/YF after activation.
    Preactivated PE-Cy5 Maleimide
  • HY-W1048553

    Biochemical Assay Reagents Others
    Mal-PEG1000-NH2TFA is a linear heterobifunctional PEG product with maleimide and NH2 groups. The maleimide can react with thiols, SH, sulfhydryls or sulfhydryls, and the amine can react with carboxylic acids or activated NHS esters .
    Mal-PEG1000-NH2 TFA
  • HY-D2180

    Fluorescent Dye Others
    Preactivated APC-Cy5.5 Maleimide is a sulfhydryl reactive dye that reacts with free sulfhydryl groups on proteins. Preactivated APC-Cy5.5 Maleimide binds easily to proteins or antibodies, and does not change the spectral characteristics of APC-Cy/YF after activation.
    Preactivated APC-Cy5.5 Maleimide
  • HY-160926

    Glutathione S-transferase Cancer
    16-Oxocafestol enhances levels of glutathione S-transferase (GST) and tissue sulfhydryl in liver and in small bowel mucosa .
    16-Oxocafestol
  • HY-W1048555B

    Biochemical Assay Reagents Others
    Mal-PEG3400-SCM is a linear hetero-bifunctional PEG product with maleimide and succinimidyl NHS ester groups. Mal-PEG3400-SCM is an important cross-linker with PEG chains. Maleimide reacts with thiols, SH, sulfhydryls or sulfhydryls, and SCM stands for succinimidyl carboxymethyl ester, which reacts with primary amines. Maleimide contains a reactive C=C double bond and is sensitive to light or oxygen .
    Mal-PEG3400-SCM
  • HY-129655

    ADC Linker Cancer
    Sulfo-SMPB sodium is a non-cleavable, heterobifunctional chemical cross-linking reagent which contains N-hydroxysuccinimide (NHS) ester and maleimide groups, allowing covalent conjugation of amine- and sulfhydryl-containing molecules .
    Sulfo-SMPB sodium
  • HY-W440718C

    Biochemical Assay Reagents Others
    Cholesterol-PEG10000-Mal is a PEG derivative composed of Cholesterol, PEG units and Maleimide (HY-W007324). Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups .
    Cholesterol-PEG10000-Mal
  • HY-D0843R

    NEM (Standard)

    Reference Standards Cathepsin Deubiquitinase Apoptosis Others
    Bayogenin (Standard) is the analytical standard of Bayogenin. This product is intended for research and analytical applications. Bayogenin is an alfalfa saponin, shows moderate potency of glycogen phosphorylase inhibition .
    N-Ethylmaleimide (Standard)
  • HY-174953

    Biochemical Assay Reagents Others
    TPP-PEG1000-Mal is a PEG derivative composed of triphenyl phosphate (TPP), PEG units, and Maleimide (HY-W007324). Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups .
    TPP-PEG1000-Mal
  • HY-W101609

    Cholinesterase (ChE) Others
    Phenylethyl isovalerate is a synthetic flavoring substance with very low acute oral toxicity. Phenylethyl isovalerate after long-term low-dose intake increases the activity of alanine aminotransferase (ALT) and the level of sulfhydryl groups in the serum, but decreases the activity of cholinesterase (ChE) .
    Phenylethyl isovalerate
  • HY-D0152

    Fluorescent Dye Others
    Tetramethylrhodamine-6-maleimide is a fluorescent dye with a reactive sulfhydryl-specific moiety is covalently coupled to this cysteine. Tetramethylrhodamine-6-maleimide can be used as labels to detect local protein motions of the fully active Na+/K+-ATPase in real time .
    Tetramethylrhodamine-6-maleimide
  • HY-W588728

    Biochemical Assay Reagents Others
    DBCO-PEG8-amine is a PEG derivative consisting of DBCO, PEG units and an amino group (Amine). Maleimide forms a stable thioether bond with sulfhydryl (-SH). The amino group can react with other chemical groups (such as carboxyl, aldehyde, etc.) to form stable chemical bonds.
    DBCO-PEG8-amine

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