2. Signaling Pathways
  3. GPCR/G Protein
    Immunology/Inflammation
    Neuronal Signaling
  4. Histamine Receptor
  5. H3 Receptor Isoform

H3 Receptor

 

H3 Receptor Related Products (42):

Cat. No. Product Name Effect Purity
  • HY-100999
    (R)-(-)-α-Methylhistamine dihydrobromide
    		Agonist ≥98.0%
    (R)-(-)-α-Methylhistamine dihydrobromide is a potent, selective and brain-penetrant agonist of H3 histamine receptor, with a Kd of 50.3 nM. (R)-(-)-α-Methylhistamine dihydrobromide can enhance memory retention, attenuates memory impairment in rats.
  • HY-109968
    Irdabisant
    		Antagonist 99.38%
    Irdabisant (CEP-26401) is a selective, orally active and blood-brain barrier (BBB) penetrant histamine H3 receptor (H3R) inverse agonist/inverse agonist with Ki values of 7.2 nM and 2.0 nM for rat H3R and human H3R, respectively. Irdabisant has relatively low inhibitory activity against hERG current with an IC50 of 13.8 μM. Irdabisant has cognition-enhancing and wake-promoting activities in the rat social recognition model. Irdabisant can be used to research schizophrenia or cognitive impairment.
  • HY-14880B
    Bavisant dihydrochloride hydrate
    		Antagonist 99.26%
    Bavisant dihydrochloride hydrate (JNJ31001074AAC) is an orally active, potent, brain-penetrating and highly selective antagonist of the histamine H3 receptor. Bavisant dihydrochloride hydrate can be used for attention-deficit hyperactivity disorder (ADHD) research.
  • HY-123812
    PF-03654764
    		Antagonist ≥99.0%
    PF-03654764 is an orally active, selective histamine H3 receptor antagonist with Ki values of 1.2 nM and 7.9 nM for human H3 and rat H3 in whole cell assay, respectively. The combination of PF-03654764 and Fexofenadine (HY-B0801A) has the potential for allergic rhinitis research.
  • HY-106993
    Cipralisant
    		Modulator 99.26%
    Cipralisant (GT-2331) is an orally active, low-toxicity, potent, selective, high affinity histamine H3 receptor full antagonist in vivo, and an agonist in vitro, with a pKi of 9.9 for histamine H3 receptor and a Ki of 0.47 nM for rat histamine H3 receptor. Cipralisant has the potential for attention-deficit hyperactivity disorder research. Cipralisant is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
  • HY-14567
    Ciproxifan
    		Antagonist 99.26%
    Ciproxifan (FUB 359) is a potent, selective, orally bioavailable and competitive antagonist of histamine H3-receptor, with an IC50 of 9.2 nM. Ciproxifan displays low apparent affinity at other receptor subtypes. Ciproxifan can be used for the research of aging disorders and Alzheimer's disease.
  • HY-U00076
    MK-0249
    		Antagonist 99.53%
    MK-0249 (Compound 1) is a potent, selective and orally active histamine H3 receptor antagonist, with an IC50 of 1.7 nM for human H3.
  • HY-107558
    JNJ10191584 maleate
    		Antagonist
    JNJ10191584 (VUF6002) maleate (compound 40) is an orally active and selective histamine H4 receptor antagonist with a Ki value of 26 nM. JNJ10191584 maleate shows 540-fold selectivity to H4 receptor over the H3 receptor with a Ki value of 14.1 μM. JNJ10191584 maleate inhibits chemotaxis of eosinophils and mast cells with IC50 values of 530 nM and 138 nM, respectively.
  • HY-106993A
    Cipralisant maleate
    		Modulator 99.84%
    Cipralisant (GT-2331) (maleate) is an orally active, low-toxicity, potent, selective, high affinity histamine H3 receptor full antagonist in vivo, and an agonist in vitro, with a pKi of 9.9 for histamine H3 receptor and a Ki of 0.47 nM for rat histamine H3 receptor. Cipralisant (maleate) has the potential for attention-deficit hyperactivity disorder research. Cipralisant (maleate) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
  • HY-107562
    JNJ 10181457 dihydrochloride
    		Antagonist
    JNJ-10181457 is a neutral, potent, brain-penetrant and selective non-imidazole H3 antagonist which increases NE and ACh concentrations in rat frontal cortex. JNJ-10181457 can be used for neurological research.
  • HY-19881
    ABT-288
    		Antagonist
    ABT-288 is a competitive, potent and selective histamine H3 receptor (H3R) antagonist. ABT-288 has Ki values of 1.9 and 8.2 nM for human and rat H3Rs, respectively. ABT-288 can be used in cognitive impairment research..
  • HY-12190A
    JNJ-5207852 dihydrochloride
    		Antagonist
    JNJ-5207852 dihydrochloride is a selective and potent histamine H3 receptor (H3R) antagonist, with pKis of 8.9, 9.24 for rat and human H3R, respectively.
  • HY-109968A
    Irdabisant hydrochloride
    		Antagonist
    Irdabisant (CEP-26401) hydrochloride is a selective, orally active and blood-brain barrier (BBB) penetrant histamine H3 receptor (H3R) inverse agonist/inverse agonist with Ki values of 7.2 nM and 2.0 nM for rat H3R and human H3R, respectively. Irdabisant hydrochloride has relatively low inhibitory activity against hERG current with an IC50 of 13.8 μM. Irdabisant hydrochloride has cognition-enhancing and wake-promoting activities in the rat social recognition model. Irdabisant hydrochloride can be used to research schizophrenia or cognitive impairment.
  • HY-107557
    Proxyfan
    		Antagonist
    Proxyfan is a potent histamine H3 receptor antagonist with Ki values of 2.9 nM and 2.7 nM for rat and human H3 receptor, respectively. Proxyfan is over 1000-fold more potent at H3 receptors than other histamine receptors.
  • HY-119087
    JNJ-28583867
    		Antagonist
    JNJ-28583867 is an orally active and selective histamine H3 receptor antagonist (Ki=10.6 nM) and serotonin transporter (SERT) inhibitor (Ki=3.7 nM). JNJ-28583867 can be used in the research of depression.
  • HY-107557A
    Proxyfan Oxalate
    		Antagonist
    Proxyfan Oxalate is a potent histamine H3 receptor antagonist with Ki values of 2.9 nM and 2.7 nM for rat and human H3 receptor, respectively. Proxyfan Oxalate is over 1000-fold more potent at H3 receptors than other histamine receptors.
  • HY-115447
    Clobenpropit
    		Antagonist
    Clobenpropit is a potent histamine H3-receptor antagonist. Clobenpropit decreases dopamine release and increases histamine levels in the hypothalamus. Clobenpropit shows antipsychotic-like activities. Clobenpropit causes a resuscitating effect in rats subjected to the hemorrhagic shock.
  • HY-146383
    H3R antagonist 2
    		Antagonist
    H3R antagonist 2 (Compound 23) is a multitarget histamine H3 receptor (H3R) antagonist with a Ki of 170 nM for hH3R . H3R antagonist 2 shows inhibitory effects with IC50 values of 180, 880 and 775 nM for acetylcholinesterase, butyrylcholinesterase and human monoamine oxidase B (hMAO B), respectively. H3R antagonist 2 shows favorable anti-neuropathic pain and memory-enhancing effects. H3R can across BBB.
  • HY-14880A
    Bavisant dihydrochloride
    		Antagonist
    Bavisant (JNJ-31001074) dihydrochloride is an orally active, potent, brain-penetrating and highly selective antagonist of the histamine H3 receptor. Bavisant dihydrochloride can be used for attention-deficit hyperactivity disorder (ADHD) research.
  • HY-122171
    A-317920
    		Antagonist
    A-317920 is a selective and potent rat histamine H3 receptor (H3R) antagonist with pKi value of 9.2 and 7.0 for full-length rat and full-length human H3R, respectively. A-317920 exhibits over 130 fold selective affinity for the rat over the human H3R. A-317920 enhances cognition via H3R blockade.