2. Fluorescent Dye
  3. Biological Conjugation
  4. Label Coupling
  5. Mercapto Reactive Dyes

Mercapto Reactive Dyes

Mercapto Reactive Dyes (44):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-143218
    TPE-MI 1245606-71-6 98.54%
    TPE-MI (Tetraphenylethene maleimide) is a thiol probe for measuring unfolded protein load and proteostasis in cells. TPE-MI can report imbalances in proteostasis in induced pluripotent stem cell models of Huntington disease, as well as cells transfected with mutant Huntington exon 1 before the formation of visible aggregates. TPE-MI also detects protein damage following dihydroartemisinin research of the malaria parasitesPlasmodium falciparum .
    TPE-MI
  • HY-100041
    Bromobimane 71418-44-5 99.31%
    Bromobimane (Monobromobimane) is a nonfluorescent and converts into fluorescent products when reacts with thiols. Bromobimane has potential applications in labeling thiols.
    Bromobimane
  • HY-D0098
    Fluorescein-5-maleimide 75350-46-8 99.05%
    Fluorescein-5-maleimide (N-(5-Fluoresceinyl)maleimide) is a fluorescent dye. Fluorescein-5-maleimide can be used to detect the redox state of thiols in eukaryotic cells. Fluorescein-5-maleimide can label peptides and is used to detect negatively charged nanoparticles. Fluorescein-5-maleimide can also label actin to explore its interaction with cardiac myosin-binding protein C (cMyBP-C), which helps in developing small molecule modulators for heart failure. Fluorescein-5-maleimide can screen mutant proteins that contain cysteine residues. The excitation wavelength of Fluorescein-5-maleimide is 494 nm, and the emission wavelength is 519 nm.
    Fluorescein-5-maleimide
  • HY-D0069
    CPM 76877-33-3 ≥99.0%
    CPM is a maleimide derivative, acting as a blue fluorescent thiol-reactive dye. The excitation/emission maxima is 384/470 nm.
    CPM
  • HY-D0042
    NBD-Cl 10199-89-0 99.14%
    NBD-Cl is a nonfluorescent reagent which becomes highly fluorescent after reaction with thiol or amino groups.
    NBD-Cl
  • HY-D0807
    5-IAF 63368-54-7
    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-W040230
    Acrylodan 86636-92-2
    Acrylodan, reacted with thiols, is sensitive to the local environmental dipolarity and dynamics within the binding pocket surrounding Cys34.
    Acrylodan
  • HY-D1261
    Naph-EA-mal 210292-65-2
    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-D0102
    4-(Aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole 91366-65-3 98.37%
    4-(Aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole (ABD-F) is a fluorescent reagent for the sensitive and specific detection of thiols. 4-(Aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole has low fluorescence background, and good stability of fluorophor.
    4-(Aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole
  • HY-D1566
    Sulfo-Cy7.5 maleimide
    Sulfo-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.
    Sulfo-Cy7.5 maleimide
  • HY-D1590
    BODIPY Green 8-P2M 929679-22-1 99.21%
    ODIPY Green 8-P2M is a novel thiol-reactive fluorescence probe based on the BODIPY fluorophore, the fluorescence is strongly quenched by d-PeT and then can be restored after reaction with thiol, resulting in an extremely high signal-to-noise ratio. ODIPY Green 8-P2M can be useful for detecting extremely low concentrations of protein in the gel after SDS-PAGE.
    BODIPY Green 8-P2M
  • HY-W011618
    N-(9-Acridinyl)maleimide 49759-20-8 99.97%
    N-(9-Acridinyl)maleimide is a maleimide type fluorescent thiol reagent. N-(9-Acridinyl)maleimide shows no substantial fluorescence but its coupling products with thiol compounds exhibit strong blue fluorescence. N-(9-Acridinyl)maleimide is used for fluorometrical analysis of cysteine and glutathione.
    N-(9-Acridinyl)maleimide
  • HY-D1565
    Cy7.5 maleimide 2270866-73-2
    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-D1260
    FM-red 98.81%
    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-123749
    Tetramethylrhodamine-5-iodoacetamide 114458-99-0
    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-D0097
    7-Fluorobenzofurazan-4-sulfonic acid ammonium 84806-27-9 98.96%
    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-137896
    4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid disodium 51023-76-8
    4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid disodium is a fluorescent dye. 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid disodium can be used to demonstrate retrograde axonal transport to label secondary antibodies and as a fluorescent whole cell stain.
    4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid disodium
  • HY-138760
    SEluc-2 2421112-19-6
    SEluc-2 is a small-molecule probe based on the firefly luciferin. SEluc-2, a bioluminescent probe for the sensitive and selective detection of thiols in living cells.
    SEluc-2
  • HY-D1262
    BODIPY-TS 1808174-52-8
    BODIPY-TS (Thiol-green 2) is a fast response and thiol-specific turn-on probe. BODIPY-TS utilizes the thiosulfonate scaffold as a thiol recognition unit. BODIPY-TS has low toxicity, and features high selectivity, low detection limit, and quantitative reaction to thiols. Ex: 490 nM; Em: 515 nM.
    BODIPY-TS
  • HY-151615
    DCI-Br-3
    DCI-Br-3 is a rapid, highly sensitive, and selective probe to monitor thiols in the epileptic brain. (λex=537 nm, λem=675 nm).DCI-Br-3 can effectively cross the blood-brain barrier (BBB).
    DCI-Br-3