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B ring

" in MedChemExpress (MCE) Product Catalog:

38

Inhibitors & Agonists

2

Screening Libraries

4

Biochemical Assay Reagents

2

Peptides

9

Natural
Products

16

Recombinant Proteins

4

Isotope-Labeled Compounds

14

Antibodies

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-139514

    E1/E2/E3 Enzyme Cancer
    RB-3, a polycomb repressive complex 1 (PRC1) inhibitor, binds to RING1B-BMI1f, with a Kd of 2.8 μM .
    RB-3
  • HY-108518

    ROCK Cardiovascular Disease Inflammation/Immunology
    SB-772077B dihydrochloride is an orally active aminofuran-based Rho kinase ((ROCK)) inhibitor with IC50 values of 5.6 nM and 6 nM for ROCK1 and ROCK2, respectively. SB-772077B dihydrochloride reduces inflammatory cytokines (TNF-α and IL-6). SB-772077B dihydrochloride relaxes aortic rings and lowers blood pressure. SB-772077B dihydrochloride can be used in the research of inflammatory diseases .
    SB-772077B dihydrochloride
  • HY-170823

    E1/E2/E3 Enzyme Cancer
    PRC1-IN-1 is a PRC1 complex inhibitor. PRC1-IN-1 binds to both RING1A and RING1B proteins, and inhibits the activities of RING1B-BMI1 and RING1B-PCGF1. PRC1-IN-1 effectively inhibits H2AK119 ubiquitination and induces cell differentiation in leukemia cells. PRC1-IN-1 can be used for the research of leukemia .
    PRC1-IN-1
  • HY-160924

    PROTACs BMI1 E1/E2/E3 Enzyme Histone Methyltransferase Cancer
    MS147 is a VHL-based PROTAC degrader of BMI1 and RING1B (polycomb repressive complex 1 core components). MS147 directly binds EED and VHL E3 ligase, recruiting the ligase to the EED-BMI1/RING1B complex to induce time-dependent, ubiquitination-mediated degradation of BMI1 and RING1B. MS147 reduces histone H2A Lys119 mono-ubiquitination without altering histone H3 Lys27 tri-methylation and inhibits cancer cells proliferation. MS147 can be used for the research of cancer, such as chronic myelogenous leukemia and b-cell lymphoma . (Pink: BMI1/RING1B ligand (HY-183634); Blue: VHL ligand (HY-125845); Black: linker)
    MS147
  • HY-34643

    Hept-6-ynoic acid

    Drug Intermediate Others
    Hexanoylic acid (Hex-6-ynoic acid) is a drug intermediate. Hexanoylic acid can be functionalized by esterification reaction to paclitaxel (HY-B0015), enabling it to undergo an efficient ring addition reaction with β-cyclodextrin, thereby enhancing its water solubility, stability and targeting properties .
    6-Heptynoic acid
  • HY-B1449S10
    Uridine-13C5
    1 Publications Verification

    β-Uridine-13C5

    Isotope-Labeled Compounds Cancer
    Uridine- 13C5 (β-Uridine- 13C5) is a 13C labeled Uridine (HY-B1449). Uridine (β-Uridine) is a nucleoside compound consisting of uracil and a ribose ring, which are linked by a β-N1- glycosyl bond.
    Uridine-13C5
  • HY-N0805A
    Alisol B
    1 Publications Verification

    Epoxide Hydrolase CaMK Autophagy Apoptosis Metabolic Disease Inflammation/Immunology Cancer
    Alisol B is a triterpene with diverse biological activities. Alisol B binds human soluble epoxide hydrolase (sEH) with a Ki of 5.97 μM and reduces sEH activity. Alisol B inhibits RANKL-induced JNK phosphorylation, NFATc1 and c-Fos expression, osteoclast formation, mature osteoclast pit-forming and actin ring activity, and SERCA pump activity. Alisol B induces calcium mobilization, CaMKK-AMPK-mTOR pathway activation, autophagic flux, autophagosome formation, G1 phase cell cycle arrest, endoplasmic reticulum stress, unfolded protein responses, and cancer cell apoptosis. Alisol B can be used for the research of hypercalcemia, osteoporosis, rheumatoid arthritis, periodontitis, acute kidney injury, and breast cancer .
    Alisol B
  • HY-Y0047

    Picolamine; 3-Pyridinemethanamine; Pyridin-3-ylmethanamine

    Biochemical Assay Reagents Inflammation/Immunology
    3-Picolylamine is a primary amine compound containing a pyridine ring structure. 3-Picolylamine inhibits histaminase (diamine oxidase) activity in pig kidneys. 3-Picolylamine significantly enhances the contractile response of isolated guinea pig ileum to Histamine (HY-B1204). 3-Picolylamine can be used to study histamine-related physiological mechanisms or allergic diseases (such as histamine-mediated inflammatory responses) .
    3-Picolylamine
  • HY-B1449S11

    β-Uridine-13C9

    Isotope-Labeled Compounds Endogenous Metabolite Nucleoside Antimetabolite/Analog Cancer
    Uridine- 13C9 (β-Uridine- 13C9) is a 13C9-labeled form of Uridine (HY-B1449). Uridine (β-Uridine) is a glycosylated pyrimidine-analog containing uracil attached to a ribose ring (or more specifically, aribofuranose) via a β-N1-glycosidic bond .
    Uridine-13C9
  • HY-158239

    PROTACs E1/E2/E3 Enzyme Cancer
    MS181 (compound 1) is a potent cereblon (CRBN)-recruiting and EED-binding polycomb repressive complex 1 (PRC1) PROTAC degrader. MS181 decreases the expression of EED, EZH2, SUZ12, BMI1 and RING1B. MS181 shows antiproliferative activity (Strtucture Note: Red, EED binder (HY-158771); Blue, CRBN ligand (HY-41547); Black, Linker HY-131717) .
    MS181
  • HY-103291

    Bradykinin Receptor Inflammation/Immunology Endocrinology
    Sar-[D-Phe8]-des-Arg9-Bradykinin is a agonist of B1 receptor. Sar-[D-Phe8]-des-Arg9-Bradykinin selectively amplifies the contractile response when incubation with human recombinant interleukin-1 β (IL-1 β) in rabbit aortic rings .
    Sar-[D-Phe8]-des-Arg9-Bradykinin
  • HY-W751165

    β-Uridine-13C9,15N2

    Endogenous Metabolite Nucleoside Antimetabolite/Analog Isotope-Labeled Compounds Cancer
    Uridine-13C9,15N2 (β-Uridine-13C9,15N2) is 13C and 15N labeled Uridine (HY-B1449). Uridine is a glycosylated pyrimidine-analog containing uracil attached to a ribose ring (or more specifically, aribofuranose) via a β-N1-glycosidic bond .
    Uridine-13C9,15N2
  • HY-N3426

    NO Synthase Akt AMPK Metabolic Disease
    Kazinol B, a prenylated flavan with a dimethyl pyrane ring, is an inhibitor of nitric oxide (NO) production. Kazinol B improves insulin sensitivity by enhancing glucose uptake via the insulin-Akt signaling pathway and AMPK activation. Kazinol B has the potential for diabetes mellitus research .
    Kazinol B
  • HY-155477

    E1/E2/E3 Enzyme Cancer
    Cbl-b-IN-15 (compound 25) is an inhibitor of the RING finger E3 ligase Cbl (IC50: 15 nM). Cbl-b refers to Casitas B-lineage lymphoma proto-oncogene-b, which inhibits T-cell, natural killer (NK) cell, and B-cell activation. Cbl-b-IN-15 activates T cell function with EC50=0.41 μM .
    Cbl-b-IN-15
  • HY-110225

    UCB L059-d6 (ring-d6)

    Others Others
    Levetiracetam-d6 (ring-d6) can be used as internal standard for the determination of Levetiracetam (HY-B0106) content in whole blood .
    Levetiracetam-d6 (ring-d6)
  • HY-W747907

    β-Pyracin

    Endogenous Metabolite Others
    4-Pyridoxolactone (β-Pyracin) is a critical substrate in vitamin B6 degradation pathway I, primarily involved in the vitamin B6 metabolic process mediated by soil microorganisms. 4-Pyridoxolactone serves as the specific substrate for 4-pyridoxolactonase, undergoing a zinc-dependent lactone-ring hydrolysis reaction catalyzed by this enzyme to generate 4-pyridoxic acid (4PA) .
    4-Pyridoxolactone
  • HY-116865

    Endogenous Metabolite Endocrinology Cancer
    Equilenin is a B-ring unsaturated estrogen and one of the main ingredients in Premarin, a drug commonly used in estrogen replacement therapy. Equilenin can bind to estrogen receptors in the body and exert effects similar to endogenous estrogen. Equilenin can be used in estrogen replacement therapy and breast cancer research .
    Equilenin
  • HY-B1449S12

    β-Uridine-d12

    Endogenous Metabolite Nucleoside Antimetabolite/Analog Isotope-Labeled Compounds Cancer
    Uridine-d12 (β-Uridine-d12) is the deuterium labeled Uridine (HY-B1449). Uridine is a glycosylated pyrimidine-analog containing uracil attached to a ribose ring (or more specifically, aribofuranose) via a β-N1-glycosidic bond .
    Uridine-d12
  • HY-155902C

    Maleimide-PEG3400-Hydroxy

    Biochemical Assay Reagents Others
    Mal-PEG3400-OH (Maleimide-PEG3400-Hydroxy) is a linear heteroterminal bifunctional PEG product with maleimide and hydroxyl groups. Mal-PEG3400-OH can be used as a macroinitiator to obtain amphiphilic diblock copolymers through ring-opening polymerization of Lactate (Lactic Acid) (HY-B2227). Nanoparticles prepared using amphiphilic block copolymers can form active drug delivery systems .
    Mal-PEG3400-OH
  • HY-N14730

    Fungal Infection
    De-N-methylpamamycin-593B is a 16-membered ring macrocyclic dilactone. De-N-methylpamamycin-593B has Aerial Mycelium-inducing activity .
    De-N-methylpamamycin-593B
  • HY-142467

    HIV Infection
    HIV-1 inhibitor-11, a fused pyridine ring derivative, is a HIV-1 inhibitor. WO2021104413A1 ( compound 1-1b) .
    HIV-1 inhibitor-11
  • HY-N2641

    4'-O-Methyldihydroquercetin; Blumeatin A

    NADPH Oxidase Others
    Dihydrotamarixetin (4'-O-Methyldihydroquercetin; Blumeatin A) is a flavonoid with a saturated 2,3-bond and a non-catechol B ring. Dihydrotamarixetin acts as an inhibitor of NADPH Oxidase .
    Dihydrotamarixetin
  • HY-121998

    Aurora Kinase Others
    Binucleine 2 is an isoform-specific and ATP-competitive inhibitor of Drosophila Aurora B kinase (Ki=0.36 μM), a kinase involved in cell division. It is specific for Drosophila Aurora B kinase, inhibiting it in a dose-dependent manner, with minimal inhibition of human or X. laevis Aurora B kinases at concentrations up to 100 μM. Binucleine 2 induces mitotic and cytokinesis defects in Drosophila Kc167 cells. It prevents Drosophila S2 cells from assembling a contractile ring during cell division when used at a concentration of 40 μM but does not affect ring ingression, suggesting that Aurora B kinase activity is not required for that step.
    Binucleine 2
  • HY-162606

    Monoamine Oxidase Cholinesterase (ChE) Neurological Disease
    MAO-A/B-IN-3 (Compound 12) stands out as a key dual MAO-AChE inhibitor, displaying excellent multi-target efficacy against MAO-A, MAO-B, and AChE with IC50 values of 67 nM, 29 nM, and 1370 nM respectively. MAO-A/B-IN-3 is adept at altering the A site (hydrophobic ring) and C site (semicarbazone chain) within ketone amine-based MTDLs to bolster the inhibitory potential against MAO-A/B while notably diminishing activity against AChE. MAO-A/B-IN-3 is poised for research applications in the field of neurodegenerative diseases .
    MAO-A/B-IN-3
  • HY-124178

    (R)-ICRF 186

    Drug Intermediate Metabolic Disease
    (R)-Levrazoxane ((R)-ICRF 186) is enzymatically hydrolysed to one-ring open intermediates by dihydropyrimidine amidohydrolase (DPHase), which is present in the liver and kidney. The radiosensitizing efficiency of (R)-Levrazoxane towards EMT6 mouse mammary tumour cells is greater than that of Dexrazoxane (HY-B0581). (R)-Levrazoxane is promising for research of liver and kidney related diseases .
    (R)-Levrazoxane
  • HY-N0805AR

    Reference Standards Epoxide Hydrolase CaMK Autophagy Apoptosis Metabolic Disease Inflammation/Immunology Cancer
    Alisol B (Standard) is the analytical standard of Alisol B (HY-N0805A). This product is intended for research and analytical applications. Alisol B is a triterpene with diverse biological activities. Alisol B binds human soluble epoxide hydrolase (sEH) with a Ki of 5.97 μM and reduces sEH activity. Alisol B inhibits RANKL-induced JNK phosphorylation, NFATc1 and c-Fos expression, osteoclast formation, mature osteoclast pit-forming and actin ring activity, and SERCA pump activity. Alisol B induces calcium mobilization, CaMKK-AMPK-mTOR pathway activation, autophagic flux, autophagosome formation, G1 phase cell cycle arrest, endoplasmic reticulum stress, unfolded protein responses, and cancer cell apoptosis. Alisol B can be used for the research of hypercalcemia, osteoporosis, rheumatoid arthritis, periodontitis, acute kidney injury, and breast cancer.
    Alisol B (Standard)
  • HY-146595

    Bacterial Infection
    FtsZ-IN-1 is a potent FtsZ inhibitor with quinolinium ring. FtsZ-IN-1 has stronger antibacterial activity against Gram-positive bacteria with MICs of 0.5-8 μg/mL. FtsZ-IN-1 significantly causes cell elongation of B. subtilis by enhancing FtsZ polymerization. FtsZ-IN-1 exhibits low hemolytic toxicity and low tendency to induce agent resistance. FtsZ-IN-1 has against drug-resistant bacteria activity .
    FtsZ-IN-1
  • HY-155902D

    Maleimide-PEG10000-Hydroxy

    Biochemical Assay Reagents Others
    Mal-PEG10000-OH (Maleimide-PEG10000-Hydroxy) is a linear heteroterminal bifunctional PEG product with maleimide and hydroxyl groups. Mal-PEG10000-OH can be used as a macroinitiator to obtain amphiphilic diblock copolymers through ring-opening polymerization of Lactate (Lactic Acid) (HY-B2227). Nanoparticles prepared using amphiphilic block copolymers can form active drug delivery systems .
    Mal-PEG10000-OH
  • HY-161836

    Adrenergic Receptor Cardiovascular Disease
    α2AR agonist 1 (compound S6a), a new morpholine-containing pyrimidinone, acts as an agonist of α2-adrenoceptor. α2AR agonist 1 induces a concentration-dependent relaxation on aortic ring pre-contracted with Phenylephrine (HY-B0769; pEC50=6.81). α2AR agonist 1 increases NOx and NO levels in HUVECs .
    α2AR agonist 1
  • HY-183634

    Ligands for Target Protein for PROTAC BMI1 Others
    BMI1/RING1B ligand-1 is a BMI1/RING1B ligand. BMI1/RING1B ligand-1 can be used to synthesize PROTAC S147 (HY-160924).
    BMI1/RING1B ligand-1
  • HY-135755

    Drug Intermediate Others
    δ-Lactone, an A-ring degradation product, is also an important intermediate in the synthesis of Estrone (HY-B0234), Estradiol (HY-B0141), and their derivatives .
    δ-Lactone
  • HY-P10814

    Bacterial Infection
    MciZ (B. subtilis), a 40-amino-acid peptide, inhibits the GTPase activity of FtsZ that prevents inappropriate Z-ring formation during sporulation .
    MciZ (B. subtilis)
  • HY-N13016

    Transmembrane Glycoprotein Cancer
    Yinyanghuo C is a prenylated flavonoid isolated from the leaves of Epimedium sagittatum. Yinyanghuo C increases the mRNA expression levels of endothelial cell markers and enhances cancer-associated angiogenesis in the 4T1 breast tumor-bearing model .
    Yinyanghuo C
  • HY-108518R

    Reference Standards ROCK Cardiovascular Disease Inflammation/Immunology
    SB-772077B dihydrochloride (Standard) is the analytical standard of SB-772077B (dihydrochloride) (HY-108518). This product is intended for research and analytical applications. SB-772077B dihydrochloride is an orally active aminofuran-based Rho Kinase ((ROCK)) inhibitor with IC50 values of 5.6 nM and 6 nM for ROCK1 and ROCK2, respectively. SB-772077B dihydrochloride reduces inflammatory cytoKines (TNF-α and IL-6). SB-772077B dihydrochloride relaxes aortic rings and lowers blood pressure. SB-772077B dihydrochloride can be used in the research of inflammatory diseases .
    SB-772077B dihydrochloride (Standard)
  • HY-N19662

    Bacterial Infection
    12-Methoxy-cis-carnosic acid (Compound 5) is a methoxylated aromatic abietane diterpene with a cis A/B ring junction, found in the aerial parts of Rosmarinus officinalis. 12-Methoxy-cis-carnosic acid can be used for research on Methicillin (HY-121544)-resistant Staphylococcus aureus .
    12-Methoxy-cis-carnosic acid
  • HY-N19297

    Prieurianin

    Elastase Inflammation/Immunology Cancer
    Endosidin1 (Prieurianin) is a Prieurianin with cleaved A and B rings. Endosidin1 is isolated from the roots of Aphanamixis polystachya. Endosidin1 inhibits superoxide anion production and Elastase release in neutrophils, with an IC50 >10 μg/mL. Endosidin1 exhibits mild cytotoxic activity against laryngeal cancer cells in vitro. Endosidin1 shows anti-inflammatory activity. Endosidin1 can be used in studies related to laryngeal cancer .\n

    Endosidin1
  • HY-155902H

    Maleimide-PEG40000-Hydroxy

    Biochemical Assay Reagents Others
    Mal-PEG40000-OH (Maleimide-PEG40000-Hydroxy) is a linear heteroterminal bifunctional PEG product with maleimide and hydroxyl groups. Mal-PEG40000-OH can be used as a macroinitiator to obtain amphiphilic diblock copolymers through ring-opening polymerization of Lactate (Lactic Acid) (HY-B2227). Nanoparticles prepared using amphiphilic block copolymers can form active drug delivery systems .
    Mal-PEG40000-OH
  • HY-155902E

    Maleimide-PEG20000-Hydroxy

    Biochemical Assay Reagents Others
    Mal-PEG20000-OH (Maleimide-PEG20000-Hydroxy) is a linear heteroterminal bifunctional PEG product with maleimide and hydroxyl groups. Mal-PEG20000-OH can be used as a macroinitiator to obtain amphiphilic diblock copolymers through ring-opening polymerization of Lactate (Lactic Acid) (HY-B2227). Nanoparticles prepared using amphiphilic block copolymers can form active drug delivery systems .
    Mal-PEG20000-OH

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