1. Signaling Pathways
  2. GPCR/G Protein
    Neuronal Signaling
  3. Opioid Receptor
  4. κ Opioid Receptor/KOR Isoform
  5. κ Opioid Receptor/KOR Antagonist

κ Opioid Receptor/KOR Antagonist

κ Opioid Receptor/KOR Antagonists (6):

Cat. No. Product Name Effect Purity
  • HY-100903
    Norbinaltorphimine dihydrochloride
    Antagonist 98.17%
    Norbinaltorphimine dihydrochloride is a potent and selective κ opioid receptor antagonist.
  • HY-118615
    LY2048978
    Antagonist
    LY2048978 is a non-selective opioid receptor antagonist with Ki of 0.287, 0.471 and 1.05 nM for human mu, kappa and delta opioid receptors in vitro, respectively. LY2048978 can be used in the research of major depressive disorder and alcohol use disorder.
  • HY-114072
    J-113397
    Antagonist 99.00%
    J-113397 is the first potent and selective nonpeptidyl ORL1 receptor antagonist (Ki: cloned human ORL1=1.8 nM) without any agonistic effects on other opioid receptors.
  • HY-118949
    LY255582
    Antagonist ≥98.0%
    LY255582 is a pan-opioid antagonist and has high affinity for mu, delta, and kappa receptors (Ki: 0.4 nM, 5.2, 2.0 nM respectively). LY255582 can decrease food intake and body weight. LY255582 can be used for the research of obesity.
  • HY-101223
    DIPPA hydrochloride
    Antagonist 99.7%
    DIPPA (hydrochloride) is an irreversible, long-lasting, selective and high affinity κ-opioid receptor antagonist. DIPPA (hydrochloride) can be used for the research of anxiety and antidepressant.
  • HY-16765
    Axelopran
    Antagonist
    Axelopran (TD-1211) is an opioid receptor antagonist with pKi values of 9.8, 8.8 and 9.9 for human recombinant μ and δ receptors and guinea pig κ receptor, respectively.