Catalog No.
Product Name
Application
Product Information
Citations
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H2-receptor antagonist
Cimetidine is a histamine H2-receptor antagonist that inhibits stomach acid production.- Jingyeong Shin, .et al. , Chemical Engineering Journal, 2023, December
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Histamine H2-receptor antagonist
Ranitidine is a potent, selective and orally active histamine H2-receptor antagonist with an IC50 of 3.3 μM that inhibits gastric secretion.- Jingyeong Shin, .et al. , Chemical Engineering Journal, 2023, December
- Ciproxifan is an extremely potent histamine H3 inverse agonist/antagonist.
- K Yamamoto, .et al. , Naunyn-Schmiedeberg's Arch Pharmacol, 2019, pp 1-12 PMID: 30919010
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Histamine Antagonist
JNJ7777120 is a potent, selective non-imidazole H4?histamine receptor antagonist.- K Yamamoto, .et al. , Naunyn-Schmiedeberg's Arch Pharmacol, 2019, pp 1-12 PMID: 30919010
- Yamamoto K, .et al. , Neurosci Lett, 2018, May 29;676:103-107 PMID: 29655943
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H1 antagonist
Asenapine shows high affinity (pKi) for numerous receptors, including the serotonin 5-HT1A (8.6), 5-HT1B (8.4), 5-HT2A (10.2), 5-HT2B (9.8), 5-HT2C (10.5), 5-HT5A (8.8), 5-HT6 (9.5), and 5-HT7 (9.9) receptors, the adrenergic α1 (8.9), α2A (8.9), α2B (9.5), and α2C (8.9) receptors, the dopamine D1 (8.9), D2 (8.9), D3 (9.4), and D4 (9.0) receptors, and the histamine H1 (9.0) and H2 (8.2) receptors.- Keisuke Obara, .et al. , Biol Pharm Bull, 2021, 44, 1140-1150 PMID: 34334499
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H1-receptor antagonist
Astemizole is a potent antihistamine (H1-receptor antagonist, IC50 = 4 nM) that displays selectivity over dopamine, 5-HT, and muscarinic acetylcholine receptors. This compound has shown potent hERG K+ channel blocking activity (IC50 = 0.9 nM), antimalarial activity in multidrug resistant strains in vitro (IC50 = 227 - 734 nM), and has been used as a chaperone to correct folding defects and restore protein function for some mutated forms of hERG channels.- Reiko Watanabe, .et al. , J Med Chem, 2021, Mar 11;64(5):2725-2738 PMID: 33619967
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Histamine Receptor antagonist
Bepotastine Beslilate (Bepreve) is a histamine H1 receptor anatagonist.- Reiko Watanabe, .et al. , J Med Chem, 2021, Mar 11;64(5):2725-2738 PMID: 33619967
- Azelastine is a potent, second-generation, selective, histamine antagonist (histamine-H1-receptor antagonist).
- Cetirizine is a second-generation antihistamine, a major metabolite of hydroxyzine, and a racemic selective H1 receptor inverse agonist used in the treatment of allergies, hay fever, angioedema, and urticaria.
- Chlorpheniramine maleate is a first-generation alkylamine antihistamine used in the prevention of the symptoms of allergic conditions such as rhinitis and urticaria.
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Histamine Receptor antagonis
Clemastine is a selective histamine H1 antagonist. It binds to the histamine H1 receptor, thus blocking the action of endogenous histamine, which leads to temporary relief of the negative symptoms caused by histamine. - Loratadine is a non-sedative antihistamine that inhibits histamine-induced activities of IL-6 and IL-8 secretion in endothelial cells. Loratadine is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM.
- Olopatadine hydrochloride is a dual acting histamine H1-receptor antagonist and mast cell stabilizer
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mast cell stabilizer
Nedocromil is a medication considered as mast cell stabilizer which act to prevent wheezing, shortness of breath, and other breathing problems caused by asthma. It is administered by an inhaler under the brand name Tilade. -
H3-receptor antagonist
Ciproxifan maleate is a potent, selective H3 histamine receptor antagonist. -
LTC4 inhibitor
Nedocromil sodium suppresses the action or formation of multiple mediators, including histamine, leukotriene C4 (LTC4), and prostaglandin D2 (PGD2). -
histamine H2-receptor antagonist
Niperotidine is a histamine H2-receptor antagonist. -
histamine H3 receptor antagonist
GSK189254A (GSK189254) is a novel, potent and selective histamine H3 receptor antagonist with pKi values of 9.59-9.90 and 8.51-9.17 for human and rat H3, respectively. -
histamine H1 receptor antagonist
Emedastine is an orally active, selective and high affinity histamine H1 receptor antagonist with a Ki value of 1.3 nM. -
histamine H3R antagonist/inverse agonist
Clobenpropit dihydrobromide is a potent histamine H3R antagonist/inverse agonist with a pEC50 of 8.07 for histamine H3LR. - Antihistamine-1 is a H1-antihistamine (Ki=6.9 nM) with acceptable blood-brain barrier penetration and also an inhibitor of CYP2D6 and hERG channel with IC50s of 5.4 and 0.8 μM, respectively.
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histamine 1 receptor antagonist
Decloxizine(UCB-1402; NSC289116) is a histamine 1 receptor antagonist. -
histamine H4 receptor antagonist
Toreforant is a potent and selective histamine H4 receptor (H4R) antagonist, with a Ki at the human receptor of 8.4 nM. -
histamine H3 receptor antagonist
PF-03654746 is a potent and selective histamine H3 receptor antagonist with high brain penetration. -
histamine H3 receptor antagonist
PF-03654746 Tosylate is a potent and selective histamine H3 receptor antagonist with high brain penetration. -
histamine H3 receptor antagonist
JNJ-5207852 is a selective and potent histamine H3 receptor (H3R) antagonist, with pKis of 8.9, 9.24 for rat and human H3R, respectively. -
histamine H1 receptor agonist and H3 receptor antagonist
Betahistine EP Impurity C (NSC19005) is an impurity of Betahistine. Betahistine is a potent, orally active and well-tolerated histamine H1 receptor agonist and H3 receptor antagonist used for the study of rheumatoid arthritis (RA). -
antagonist of histamine H1
Cyclizine is an antagonist of histamine H1. Cyclizine is an antihistamine drug that can be used to treat nausea, vomiting and dizziness associated with motion sickness, vertigo and post-operatively following administration of general anaesthesia and opioids. -
Histamine H1 Receptor Antagonist
Epinastine is a selective histamine H1 receptor antagonist, known for its effectiveness as a mast cell stabilizer. It exhibits high affinity for neuronal octopamine receptors in various insects, demonstrating potential roles in modulating immune responses. Epinastine also inhibits pro-inflammatory cytokines such as TARC, IL-8, and IL-4, making it valuable for research into allergic diseases and anti-cancer immunity mechanisms. Its ability to reduce scratching behavior and vascular permeability further underscores its relevance in studying allergic and inflammatory conditions. -
Histamine H1 Receptor Antagonist
Mebhydrolin is a selective antagonist of the histamine H1 receptor, primarily known for its role in mediating allergic responses. This compound exhibits significant antihistaminic activity, making it valuable for research in allergy and immunology. Its effectiveness in blocking histamine-induced physiological effects allows for the exploration of H1 receptor pathways and the development of related therapeutic strategies. -
Stable Isotope
Terfenadine-d3 is the deuterated form of Terfenadine, which primarily targets the hERG potassium channel as a potent open-channel blocker with an IC50 of 204 nM. As an H1 histamine receptor antagonist, Terfenadine-d3 demonstrates significant biological activity by inducing apoptosis in melanoma cells through the modulation of calcium homeostasis. Its mechanism includes the generation of reactive oxygen species (ROS) and the subsequent activation of caspases -4, -2, and -9, making it valuable for research in cancer biology and apoptosis pathways. -
Neurotransmitter
Histamine dihydrochloride acts as an agonist for histamine receptors and functions as a vasodilator. This organic nitrogen compound plays a crucial role in local immune responses and regulates intestinal physiological functions while also serving as a neurotransmitter. Histamine dihydrochloride influences the p38 MAPK/Akt signaling pathway and demonstrates notable antitumor, antioxidant, and anti-inflammatory properties. It is valuable in research applications related to acute myeloid leukemia, malignant melanoma, and renal cell carcinoma. -
Neurotransmitter
Histamine phosphate is an agonist of the histamine receptor and functions as a potent vasodilator. This organic nitrogen compound plays a crucial role in local immune responses, modulates intestinal physiological functions, and serves as a key neurotransmitter. Histamine phosphate influences the p38 MAPK/Akt signaling pathway and demonstrates notable antitumor, antioxidant, and anti-inflammatory activities. It is applicable in research related to acute myeloid leukemia, malignant melanoma, and renal cell carcinoma. -
Neurotransmitter
Histamine is a biogenic amine that acts as an agonist for histamine receptors, playing a significant role as a neurotransmitter. It is involved in local immune responses and the regulation of various physiological functions, including vasodilation. Histamine influences the p38 MAPK/Akt signaling pathway and demonstrates notable antitumor, antioxidant, and anti-inflammatory properties. It is commonly utilized in research related to acute myeloid leukemia, malignant melanoma, and renal cell carcinoma. -
Stable Isotope
Histamine-d4 is a deuterium-labeled derivative of histamine, functioning primarily as a stable isotope for metabolic and pharmacokinetic studies. This compound acts as an agonist at histamine receptors and serves as a notable vasodilator, playing a critical role in local immune responses, intestinal physiological regulation, and neurotransmission. Histamine influences several signaling pathways, including p38 MAPK and Akt, and exhibits diverse biological activities such as anti-inflammatory, antioxidant, and potential antitumor effects. Its applications in research extend to the study of acute myeloid leukemia, malignant melanoma, and renal cell carcinoma, facilitating a deeper understanding of these conditions. -
Stable Isotope
Histamine-13C5 is a stable isotope-labeled form of histamine, primarily functioning as an agonist for histamine receptors. This organic nitrogen compound plays a critical role in local immune responses, modulates intestinal physiological functions, and acts as a neurotransmitter. Histamine influences the p38 MAPK/Akt signaling pathway and demonstrates antitumor, antioxidant, and anti-inflammatory properties. Research applications of Histamine-13C5 include the investigation of conditions such as acute myeloid leukemia, malignant melanoma, and renal cell carcinoma, facilitating deeper insights into these diseases. -
Histamine Receptor Modulator
Betahistine dihydrochloride is a potent histamine H1 receptor agonist and H3 receptor antagonist. This compound demonstrates significant biological activity in modulating histaminergic systems and is employed in research focused on conditions such as rheumatoid arthritis (RA). Its dual action makes it a valuable tool for investigating the pathways involved in inflammation and immune response. -
Antidepressant
Doxepin Hydrochloride is a tricyclic antidepressant that primarily functions as a selective antagonist of the histamine receptor H1. It effectively inhibits the reuptake of serotonin and norepinephrine, contributing to its antidepressant properties. Additionally, Doxepin exhibits significant activity as a CYP450 inhibitor, particularly affecting CYP450 2C19 and 1A2. This compound has demonstrated therapeutic potential in conditions such as atopic dermatitis and chronic urticaria, and it may enhance cognitive processes while providing neuroprotective effects against oxidative stress. -
Histamine 1 Receptor Blocker
Ketotifen fumarate is a noncompetitive antagonist of the histamine H1 receptor, functioning as a mast cell stabilizer. It exhibits significant biological activity by inhibiting 6-phosphogluconate dehydrogenase in vitro and demonstrates antiviral properties against SARS-CoV-2 and Influenza viruses. This compound is particularly useful in researching autoimmune encephalomyelitis (EAE) and in developing strategies for asthma attack prevention. -
Histamine Receptor Antagonist
Doxylamine succinate is a first-generation antihistamine that acts as an H1 receptor antagonist. This compound exhibits key biological activity as an effective sedative and hypnotic agent, making it valuable in sleep disorder research. Additionally, it possesses local analgesic properties, providing potential applications in studies related to pain management and sleep regulation. -
Histamine H1 Receptor Antagonist
Epinastine hydrochloride is a selective histamine H1 receptor antagonist and mast cell stabilizer. It exhibits high affinity for neuronal octopamine receptors, with inhibitory constants of Ki = 2 nM in locusts and Ki = 1.1 nM in honeybees. This compound effectively inhibits inflammatory mediators such as TARC, IL-8, and IL-4, and enhances anti-colon cancer immunity while reducing scratching behavior and vascular permeability induced by Substance P. Epinastine hydrochloride is valuable for research in allergic diseases and related inflammatory conditions. -
Antihistamine Agent
Hydroxyzine dihydrochloride is an antihistamine agent that primarily functions as a histamine H1-receptor antagonist and serotonin antagonist. It exhibits anxiolytic properties, making it a valuable tool for research into generalized anxiety disorder and related conditions. This compound can also be utilized in studies involving sedation and allergic reactions due to its diverse pharmacological effects. -
Histamine Receptor Inhibitor
Levodropropizine is a selective histamine receptor inhibitor primarily used as a peripheral antitussive agent. Its mechanism of action involves the suppression of cough reflexes through its interaction with histamine receptors, making it effective in treating cough associated with colds and allergies. Levodropropizine is noted for its good tolerance profile, facilitating its use in various research applications focused on respiratory physiology and pharmacology. -
Histamine H1 Antagonist
Pemirolast potassium is a histamine H1 antagonist with antiallergic properties. It effectively mitigates hypersensitivity reactions associated with Paclitaxel and demonstrates potential applications in studies related to bronchial asthma and conjunctivitis. This compound is valuable for researchers focusing on allergic responses and treatment mechanisms in respiratory and ocular conditions. -
PDE3/PDE4/PDE5/HRH1 Inhibitor
Fenspiride hydrochloride is a non-steroidal anti-inflammatory agent and an antagonist of the H1-histamine receptor. It selectively inhibits phosphodiesterase activities, including PDE3, PDE4, and PDE5, with -log IC50 values of 3.44, 4.16, and approximately 3.8, respectively. This compound is valuable for research applications focused on respiratory diseases, highlighting its potential in therapeutic investigations and the modulation of inflammatory responses. -
Histamine Receptor Antagonist
Mepyramine maleate is a potent antagonist of the histamine H1 receptor, exhibiting a Kd of 0.8 nM for H1, alongside Kd values of 5200 nM and >3000 nM for H2 and H3 receptors, respectively. With a pKd value of 9.4 for the H1 receptor, this first-generation antihistamine is valuable for studies focused on allergic responses and the role of histamine in various physiological processes. It is widely used in pharmacological research to explore histamine-mediated signaling and potential therapeutic applications in allergy and inflammation.
