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cycloalkyne

" in MedChemExpress (MCE) Product Catalog:

143

Inhibitors & Agonists

6

Fluorescent Dye

1

Biochemical Assay Reagents

157

Peptides

27

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Products

7

Click Chemistry

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-151720
    Cy5.5 DBCO
    1 Publications Verification

    ADC Linker Others
    Cy5.5 DBCO is a click chemistry reagent containing an cycloalkynes group. Cy5.5 DBCO is a linker of Cyanine5.5 fluorophore. DBCO group enables copper free biocompatible click chemistry with fast reaction kinetics and good stability .
    Cy5.5 DBCO
  • HY-D1555

    Cy7 DBCO

    Fluorescent Dye Others
    Cyanine7 DBCO (Cy7 DBCO) is a near-infrared fluorescent dye and an efficient bio-orthogonal quencher. Cyanine7 DBCO is formed by covalent connection of the near-infrared fluorescent dye Cy7 and the dibenzocyclooctyne (DBCO) functional group. After reacting with N3-Cy5-COOH, the fluorescence of Cy5 decreases by 90% within 90 minutes, and rapid signal attenuation can be observed within 2-5 minutes. Cyanine7 DBCO can be used for the study of deep tissue imaging and receptor-targeted therapeutic strategies .
    Cyanine7 DBCO
  • HY-151697

    ADC Linker Others
    DACN(Tos2) is a a click chemistry reagent containing an cycloalkynes group. The alkyne moiety within the ring has a unique bent structure and high reactivity toward cycloaddition reactions. DACN(Tos2) through such strain-promoted azide-alkyne cycloadditions (SPAAC) using cycloalkynes. DACN(Tos2) can be used for the research of molecular conjugation .
    DACN(Tos2)
  • HY-151795

    ADC Linker Others
    DACN(Tos) hydrochloride is a click chemistry reagent containing a cycloalkyne group. The alkyne moiety within the ring has a unique bent structure and high reactivity toward cycloaddition reactions, such strain-promoted azide-alkyne cycloadditions (SPAAC) by using cycloalkynes. DACNs possesses high thermal and chemical stability along with comparable click reactivity. DACN(Tos) hydrochloride can be used for the research of molecular conjugation .
    DACN(Tos) hydrochloride
  • HY-151766

    ADC Linker Others
    DACN(Tos,Suc-OH) is a click chemistry reagent containing a cycloalkyne group. The alkyne moiety within the ring has a unique bent structure and high reactivity toward cycloaddition reactions. Such strain-promoted azide-alkyne cycloadditions (SPAAC) using cycloalkynes have served for reliable molecular conjugation in a broad range of fields. The nitrogens are used as connection points for a variety of functional units. DACNs possess high thermal and chemical stability along with comparable click reactivity .
    DACN(Tos,Suc-OH)
  • HY-D2200

    Fluorescent Dye Others
    Cy5.5(Me)-C3-DBCO is a click chemistry reagent containing an cycloalkynes group. DBCO group enables copper free biocompatible click chemistry with fast reaction kinetics and good stability .
    Cy5.5(Me)-C3-DBCO
  • HY-D2847A

    Fluorescent Dye Others
    FITC-PEG-DBCO (MW 3400) is a fluorescent dye composed of FITC (HY-66019), PEG and dibenzocyclooctyne (DBCO). DBCO is a cycloalkyne that can react with molecules containing azide groups through "click chemistry" to achieve coupling (Ex/Em = 488/525 nm).
    FITC-PEG-DBCO (MW 3400)
  • HY-D2847B

    Fluorescent Dye Others
    FITC-PEG-DBCO (MW 5000) is a fluorescent dye composed of FITC (HY-66019), PEG and dibenzocyclooctyne (DBCO). DBCO is a cycloalkyne that can react with molecules containing azide groups through "click chemistry" to achieve coupling (Ex/Em = 488/525 nm).
    FITC-PEG-DBCO (MW 5000)
  • HY-D2847

    Fluorescent Dye Others
    FITC-PEG-DBCO (MW 2000) is a fluorescent dye composed of FITC (HY-66019), PEG and dibenzocyclooctyne (DBCO). DBCO is a cycloalkyne that can react with molecules containing azide groups through "click chemistry" to achieve coupling (Ex/Em = 488/525 nm).
    FITC-PEG-DBCO (MW 2000)
  • HY-173390

    Drug Intermediate Biochemical Assay Reagents Others
    BCN-E-BCN is a strained cycloalkyne-based probe designed for detecting protein sulfenylation, the primary intermediate in protein oxidation. This structurally constrained cycloalkyne compound specifically recognizes sulfenic acid groups formed during thiol oxidation, while remaining completely unreactive toward other oxidative states (such as free thiols, sulfinic, or sulfonic acid groups). Researchers can leverage its efficient conjugation with azide-bearing tags through copper-free click chemistry to amplify detection signals. Compared to conventional detection methods, BCN-E-BCN demonstrates superior reaction kinetics and enhanced sensitivity. With these advantages, BCN-E-BCN shows great promise as an effective tool for protein oxidation research .
    BCN-E-BCN
  • HY-N16310

    Fluorescent Dye Others
    Cyanine 3 DBCO chloride is a click chemistry reagent containing an cycloalkynes group. Cyanine 3 DBCO chloride is a linker of Cyanine5.5 fluorophore. DBCO group enables copper free biocompatible click chemistry with fast reaction kinetics and good stability (Ex/Em = 550/570 nm).
    Cyanine 3 DBCO chloride
  • HY-N16305

    Fluorescent Dye Others
    Cyanine 7 DBCO chloride is a click chemistry reagent containing an cycloalkynes group. Cyanine 7 DBCO chloride is a linker of Cyanine5.5 fluorophore. DBCO group enables copper free biocompatible click chemistry with fast reaction kinetics and good stability (Ex/Em = 745/785 nm) .
    Cyanine 7 DBCO chloride
  • HY-N16302

    Fluorescent Dye Others
    Cyanine 5.5 DBCO chloride is a click chemistry reagent containing an cycloalkynes group. Cyanine 5.5 DBCO chloride is a linker of Cyanine5.5 fluorophore. DBCO group enables copper free biocompatible click chemistry with fast reaction kinetics and good stability (Ex/Em = 680/715 nm) .
    Cyanine 5.5 DBCO chloride
  • HY-N16324

    Fluorescent Dye Others
    Cyanine 7.5 DBCO chloride is a click chemistry reagent containing an cycloalkynes group. Cyanine 7.5 DBCO chloride is a linker of Cyanine5.5 fluorophore. DBCO group enables copper free biocompatible click chemistry with fast reaction kinetics and good stability (Ex/Em = 780/820 nm) .
    Cyanine 7.5 DBCO chloride
  • HY-W879031

    Biochemical Assay Reagents Others
    Endo-BCN-PEG4-Palmitic is a PEG derivative containing an endo-BCN cycloalkyne structure, a tetraethylene glycol (PEG4) linker, and a Palmitic acid (HY-N0830) fatty acid group. Endo-BCN-PEG4-Palmitic can be used for drug delivery, surface modification, and click chemistry reactions .
    Endo-BCN-PEG4-Palmitic
  • HY-D2740

    Fluorescent Dye Others
    ROX azide, 6-isomer is an alkyne-reactive derivative of ROX (Rhodamine X, Rhodamine 101) dye. ROX is a red-emitting fluorophore possessing high brightness and fluorescence quantum yield. This reagent is a pure 6-isomer. It is used for labeling alkyne and cycloalkyne-containing biomolecules via copper-catalyzed and copper-free click chemistry reactions.
    ROX azide, 6-isomer
  • HY-151754

    ADC Linker Others
    DACN(Tos2,6-OH) is a click chemistry reagent containing an Azide. The alkyne moiety within the ring has a unique bent structure and high reactivity toward cycloaddition reactions. The reactivity of an alkyne heavily depends on the electronic and steric characteristics of the substituents as well as structural strain. In comparison to nonbent acyclic alkynes, cyclononyne alkynes show remarkably high reactivity. Such strain-promoted azide-alkyne cycloadditions (SPAAC) using cycloalkynes have served for reliable molecular conjugation in a broad range of fields. The nitrogens are used as connection points for a variety of functional units. In comparison to cyclooctynes, DACNs possess high thermal and chemical stability along with comparable click reactivity . DACN(Tos2,6-OH) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    DACN(Tos2,6-OH)
  • HY-P10221A

    HIF/HIF Prolyl-Hydroxylase Cancer
    Cyclo CKLIIF is a dual inhibitor for hypoxia inducible factor (HIF) 1 and 2, which disrupts the interaction of both HIF1-α and HIF2-α with HIF1-β, with affinity for HIF1-α and HIF2-α PAS-B domains KD of 2.6 and 2.2 μM, respectively .
    Cyclo(CKLIIF) TFA
  • HY-P5033

    Bacterial Cancer
    Cyclo(Gly-His) is a liposome-encapsulated cyclic dipeptide with antimicrobial and anticancer activity. Cyclo(Gly-His) has cytotoxicity for HeLa and MCF-7 cell with IC50 values of 1.699 mM and 0.358 mM, respectively. Cyclo(Gly-His) can be used for the research of drug delivery systems .
    Cyclo(Gly-His)
  • HY-P10426

    HIF/HIF Prolyl-Hydroxylase VEGFR Cancer
    cyclo(CLLFVY) is an inhibitor for hypoxia inducible factor-1 (HIF-1), with IC50 of 19 μM (in U2OS) and 16 μM (in MCF-7). cyclo(CLLFVY) binds to the PAS-B domain of HIF-1α, inhibits HIF-1 dimerization and transcriptional activity. cyclo(CLLFVY) downregulates the expression of hypoxia response genes, such as VEGF and CAIX, exhibits antitumor against the HIF-1 associated cancers .
    cyclo(CLLFVY)
  • HY-P10222

    HIF/HIF Prolyl-Hydroxylase Cancer
    Cyclo CRLLIF is a dual inhibitor for hypoxia inducible factor (HIF) 1 and 2, which disrupts the interaction of both HIF1-α and HIF2-α with HIF1-β, with affinity for HIF1-α and HIF2-α PAS-B domains KD of 14.5 and 10.2 μM, respectively .
    Cyclo(CRLLIF)
  • HY-P1934
    Cyclo(Phe-Pro)
    4 Publications Verification

    Cyclo(phenylalanylprolyl); A-64863

    HCV Bacterial Antibiotic Reactive Oxygen Species (ROS) Infection
    Cyclo(Phe-Pro) (Cyclo(phenylalanylprolyl)) is a quorum-sensing molecule of Vibrio vulnificus that specifically interacts with RIG-I, inhibiting RIG-I polyubiquitination, suppressing IRF-3 activation, and reducing type I interferon production. Cyclo(Phe-Pro) enhances susceptibility to HCV and influenza virus and also alleviates plant aluminum toxicity stress. The mechanism of Cyclo(Phe-Pro) involves the regulation of host immune signaling pathways, bacterial virulence gene expression, and plant antioxidant systems, making it a promising candidate for research in viral infections, bacterial virulence regulation, and agricultural stress resistance .
    Cyclo(Phe-Pro)
  • HY-W836186

    Cyclo(alanine-leucine)

    Bacterial Others
    Cyclo(Leu-Ala) (Cyclo(alanine-leucine)) is an antimicrobial compound isolated from microorganisms and has antimicrobial activity against some plant pathogens together with other compounds.
    Cyclo(Leu-Ala)
  • HY-139425

    Biochemical Assay Reagents Cancer
    Cyclo(Pro-Ala) is an anticancer agent that has toxic to cancer cells such as A549, HCT-116, and HepG2 .
    Cyclo(Pro-Ala)
  • HY-107245
    Segetalin B
    2 Publications Verification

    Estrogen Receptor/ERR Sirtuin RUNX Metabolic Disease
    Segetalin B, an orally active cyclopentapeptide found in Vaccaria segetalis, possesses estrogen-like activity. Segetalin B promotes mineralization of ovariectomized rat-derived bone marrow mesenchymal stem cells (BMSCs) in vitro and increases the level of osteocalcin, BMP-2, ALP, and SIRT1 activity. Segetalin B is promising for research of post-menopausal osteoporosis (PMOP) .
    Segetalin B
  • HY-75564

    Endogenous Metabolite Cancer
    Cyclo(Ala-Gly), a metabolite of a mangrove endophytic fungus, Penicillium thomi, exhibits cytotoxicity against A549, HepG2 and HT29 cells. The IC50 values range from 9.5 to 18.1 μM .
    Cyclo(Ala-Gly)
  • HY-P6294

    Tyrosinase Others
    Pseudostellarin G is a natural cyclic octapeptide. Pseudostellarin G has the activity of inhibiting tyrosinase. Pseudostellarin G can inhibit the production of melanin .
    Pseudostellarin G
  • HY-126810A

    Fungal Infection
    NP213 TFA is a rapidly acting, novel, first-in-class synthetic antimicrobial peptide (AMP), has anti-fungal activities. NP213 TFA targets the fungal cytoplasmic membrane and plays it role via membrane perturbation and disruption. NP213 TFA is effective and well-tolerated in resolving nail fungal infections .
    NP213 TFA
  • HY-P5698

    Bacterial Infection
    Cyclopetide 1 (Compound 1) is an antimicrobial peptide with moderate activity against B. subtilis, with a MIC of 25 μg/mL .
    Cyclopetide 1
  • HY-P1938

    Bacterial Infection Inflammation/Immunology
    Cyclo(L-Pro-L-Val) is an antimicrobial and anti-inflammatory agent. Cyclo(L-Pro-L-Val) has toxic activity against plant pathogens such as R. fascians LMG 3605, and its potency may be comparable to that of Chloramphenicol (HY-B0239). Cyclo(L-Pro-L-Val) can inhibit the phosphorylation of IKKα, IKKβ, NF-κB, etc., and the activation of iNOS and COX-2, thereby exerting anti-inflammatory activity. Cyclo(L-Pro-L-Val) can be used in the research of biopesticides in the agricultural field, as well as in the research of inflammation-related diseases .
    Cyclo(L-Pro-L-Val)
  • HY-100563A
    Cyclo(RGDyK)
    4 Publications Verification

    Integrin Cancer
    Cyclo(RGDyK) is a potent and selective αVβ3 integrin inhibitor with an IC50 of 20 nM.
    Cyclo(RGDyK)
  • HY-P0231
    AZP-531
    2 Publications Verification

    GHSR Metabolic Disease Endocrinology
    AZP-531 is an analogue of unacylated ghrelin designed to improve glycaemic control and reduce weight.
    AZP-531
  • HY-P1934A

    Fungal Bacterial IFNAR Reactive Oxygen Species (ROS) Infection Inflammation/Immunology Cancer
    Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide . Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation . Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC50 of 24 µM in the DPPH assay .
    Cyclo(L-Phe-L-Pro)
  • HY-101402A

    Cyclo(histidyl-proline) TFA; Histidylproline diketopiperazine TFA

    NF-κB Endogenous Metabolite Neurological Disease Inflammation/Immunology
    Cyclo(his-pro) TFA (Cyclo(histidyl-proline) TFA) is an orally active cyclic dipeptide structurally related to tyreotropin-releasing hormone . Cyclo(his-pro) TFA could inhibit NF-κB nuclear accumulation. Cyclo(his-pro) TFA can cross the brain-blood-barrier and affect diverse inflammatory and stress responses .
    Cyclo(his-pro) TFA
  • HY-P2092

    Cyclo(Leu-Trp)

    Bacterial Fungal Melatonin Receptor Infection Neurological Disease
    Cyclo(L-leucyl-L-tryptophyl) (Cyclo(-Leu-Trp)) is a cyclic dipeptide that inhibits a various of bacteria and fungi. Cyclo(L-leucyl-L-tryptophyl) is a melatonin receptor agonist and is also used as a bitter ligand .
    Cyclo(L-leucyl-L-tryptophyl)
  • HY-101402

    Cyclo(histidyl-proline); Histidylproline diketopiperazine

    NF-κB Endogenous Metabolite Neurological Disease Inflammation/Immunology
    Cyclo(his-pro) (Cyclo(histidyl-proline)) is an orally active cyclic dipeptide structurally related to tyreotropin-releasing hormone . Cyclo(his-pro) could inhibit NF-κB nuclear accumulation. Cyclo(his-pro) can cross the brain-blood-barrier and affect diverse inflammatory and stress responses .
    Cyclo(his-pro)
  • HY-P5314

    EGFR STAT Others
    OK2, a specific inhibitor of the CCN2/EGFR interaction, efficiently blocks CCN2/EGFR interaction through binding to the CT domain of CCN2. OK2 can be used for kidney fibrosis and chronic kidney disease research .
    OK2
  • HY-P10052

    VEGFR Cancer
    CBO-P11 specifically binds to receptor of VEGFR-2 and is used as targeting ligand for tumor angiogenesis. CBO-P11 is modified with a nearinfrared cyanine dye bearing an alkyne function, allowing both “click” coupling on azido-modified nanoparticles and fluorescence labelling .
    CBO-P11
  • HY-P3472

    Cyclo(L-Pro-L-Ile)

    Amino Acid Derivatives Inflammation/Immunology
    Cyclo(IP) (Cyclo-(L-Pro-L-Ile)), a Diketopiperazine can be derived From Bacillus thuringiensis JCK-1233, results in suppression of PWD severity and increased the expression of defense-related genes similarly to Bacillus thuringiensis JCK-1233 treatment .
    Cyclo(IP)
  • HY-P1935

    Biochemical Assay Reagents Cancer
    Cyclo(Ala-Pro) is an anticancer agent that is toxic to cancer cells such as A549, HCT-116 and HepG2 .
    Cyclo(Ala-​Pro)
  • HY-P3119

    Desotamide A

    Bacterial Antibiotic Infection
    Desotamide is a cyclic hexapeptide antibiotic originally isolated from Streptomyces. It is active against S. aureus, S. pneumoniae, and methicillin-resistant S. epidermidis (MRSE; MICs=16, 12.5, and 32 μg/mL, respectively).
    Desotamide
  • HY-P6293

    Cathepsin Others
    Heterophyllin A can be isolated from the aboveground parts of Elaeagnus angustifolia.
    Heterophyllin A
  • HY-169684

    Fungal Infection Cancer
    Vaccarin C (Compound VIII) is a cycloheptapeptide with good antifungal activity against pathogenic fungi and dermatophytes M. audouinii and T. mentagrophytes with MIC values of 6 µg/mL. Vaccarin C also has high cytotoxicity against Dalton's lymphoma ascites (DLA) and Ehrlich's ascites carcinoma (EAC) cell lines with IC50 values of 3.35 and 5.72 μM, respectively .
    Vaccarin C
  • HY-126810

    Fungal Infection
    NP213 is a rapidly acting, novel, first-in-class synthetic antimicrobial peptide (AMP), has anti-fungal activities. NP213 targets the fungal cytoplasmic membrane and plays it role via membrane perturbation and disruption. NP213 is effective and well-tolerated in resolving nail fungal infections .
    NP213
  • HY-P10223

    HIF/HIF Prolyl-Hydroxylase Cancer
    Cyclo CRVIIF is a dual inhibitor for hypoxia inducible factor (HIF) 1 and 2, which disrupts the interaction of both HIF1-α and HIF2-α with HIF1-β, with affinity for HIF1-α and HIF2-α PAS-B domains KD of 65 and 123 μM, respectively .
    Cyclo(CRVIIF)
  • HY-P10304

    Cyclo(Pro-Arg)

    Fungal Others
    Cyclo(Arg-Pro) (Cyclo(Pro-Arg)) is an inhibitor for chitinase. Cyclo(Arg-Pro) inhibits cell separation of Saccharomyces cerevisiae, without affecting its growth. Cyclo(Arg-Pro) inhibits the morphological change of Candida albicans from yeast form to filamentous form .
    Cyclo(Arg-Pro)
  • HY-P1937

    Influenza Virus Infection
    Cyclo(-Met-Pro) is a cyclic dipeptide consisting of the amino acids methionine and proline. Cyclo(-Met-Pro) exhibits weak inhibitory activity against the influenza A virus (H3N2) (5 mM, 2.1% inhibition), while cis-cyclo(Leu-Pro) and cis-cyclo(Phe-Pro) shows significant antiviral activity .
    Cyclo(-Met-Pro)
  • HY-P2300
    Cyclo(Arg-Gly-Asp-D-Phe-Cys)
    2 Publications Verification

    Cyclo(RGDfC)

    Integrin Cancer
    Cyclo(Arg-Gly-Asp-D-Phe-Cys) (Cyclo RGDfC), a cyclic RGD peptide which has high affinity to αvβ3, can disrupt cell integrin interactions. Cyclo(Arg-Gly-Asp-D-Phe-Cys) inhibits pluripotent marker expression in embryonic stem cells (ESCs) and the tumorigenic potential of mESCs in vivo. Cyclo(Arg-Gly-Asp-D-Phe-Cys) can be used in the research of tumors .
    Cyclo(Arg-Gly-Asp-D-Phe-Cys)
  • HY-P5038

    c(GRGDSP)

    Integrin Cancer
    Cyclo(Gly-Arg-Gly-Asp-Ser-Pro) (c(GRGDSP)) is an RGD-containing inhibitory peptide. Cyclo(Gly-Arg-Gly-Asp-Ser-Pro) is a synthetic α5β1 integrin ligand that competitively inhibits the binding of invasin (Inv) to α5β1 integrin expressed on Caco-2 cells .
    Cyclo(Gly-Arg-Gly-Asp-Ser-Pro)
  • HY-P5699

    Bacterial Infection
    Cyclopetide 2 (Compound 2) is an antimicrobial peptide with moderate activity against B. subtilis, with a MIC of 50 μg/mL .
    Cyclopetide 2

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