H₂ Receptor Antagonist

H₂ Receptor Antagonists (26):

Cat. No.	Product Name	Effect	Purity

HY-B0377

Famotidine	Antagonist	99.68%
Famotidine (MK-208) is a competitive histamine H2-receptor antagonist. Its main pharmacodynamic effect is the inhibition of gastric secretion.

HY-A0077

Perphenazine	Antagonist	99.95%
Perphenazine is an orally active dopamine receptor and histamine-1 receptor antagonist, with K_i values of 0.56 nM (D2), 0.43 nM (D3), 6 nM (5-HT2A), respectively. Perphenazine also binds to Alpha-1A adrenergic receptor. Perphenazine inhibits cancer cell proliferation, and induces apoptosis. Perphenazine can be used in the research of mental disease, cancer, inflammation.

HY-B0281A

Ranitidine hydrochloride	Antagonist	99.88%
Ranitidine hydrochloride is a potent, selective and orally active histamine H2-receptor antagonist with an IC₅₀ of 3.3 μM that inhibits gastric secretion. Ranitidine hydrochloride is a weak inhibitor of CYP2C19 and CYP2C9.

HY-10121

Asenapine	Antagonist	99.62%
Asenapine (Org 5222), an atypical antipsychotic, is an antagonist of serotonin receptors (pK_i: 8.4-10.5), adrenoceptors (pK_i: 8.9-9.5), dopamine receptors (pK_i: 8.9-9.4) and histamine receptors (pK_i: 8.2-9.0). Asenapine can be used in the research of schizophrenia and bipolar disorder.

HY-106078

Oxmetidine	Antagonist
Oxmetidine (SKF 92994) is an orally active H2-receptor antagonist, and is an anti-ulcer agent.

HY-122148

DA 4626	Antagonist
DA 4626 is a competitive H2-histamine receptor antagonist. DA 4626 inhibits adenylate cyclase activity with a K_B value of 40 nM.

HY-108411

Emedastine	Antagonist	98.01%
Emedastine is an orally active, selective and high affinity histamine H₁ receptor antagonist with a K_i value of 1.3 nM. Emedastine is a benzimidazole derivative with potent antiallergic properties and used for allergic rhinitis, allergic skin diseases and allergic conjunctivitis.

HY-17039

Alcaftadine	Antagonist	99.43%
Alcaftadine (R89674) is a histamine H1 receptor antagonist, which is used to prevent eye irritation brought on by allergic conjunctivitis. Alcaftadine is a broad-spectrum antihistamine displaying a high affinity for histamine H1 and H2 receptors and a lower affinity for H4 receptors. Alcaftadine also exhibits modulatory action on immune cell recruitment and mast cell stabilizing effects.

HY-101232

Tiotidine	Antagonist	99.28%
Tiotidine (ICI 125211) is a potent and selective antagonist of histamine H2-receptor (pA₂=7.3-7.8 for guinea-pig right atrium). Tiotidine has low affinity for both the H1 and the H3 receptors.

HY-B0310

Nizatidine	Antagonist	99.68%
Nizatidine is a potent and orally active histamine H₂ receptor antagonist, can be used for the research of stomach?and?intestines ulcers. Nizatidine works by decreasing the secretion of gastric?acid the stomach makes and prevent ulcers from coming back after they have healed in animal models.

HY-15539

Niperotidine	Antagonist	98.49%
Niperotidine is a histamine H2-receptor antagonist.

HY-15541

Zaltidine	Antagonist	99.49%
Zaltidine dihydrochloride (CP-5736 dihydrochloride) is a highly specific H2 receptor antagonist with antisecretion activity. Zaltidine dihydrochloride reduces the stimulant effect of histamine on gastric acid secretion by binding to histamine H2 receptors on gastric parietal cells, thus reducing gastric acid production. Zaltidine dihydrochloride can be used in the study of gastric acid-related diseases such as duodenal ulcers.

HY-B0305A

Roxatidine Acetate Hydrochloride	Antagonist	99.26%
Roxatidine Acetate Hydrochloride is a potent, selective, competitive and orally active histamine _H2-receptor antagonist. Roxatidine Acetate Hydrochloride has antisecretory potency against gastric acid secretion. Roxatidine Acetate Hydrochloride can also suppress inflammatory responses and can be used for gastric and duodenal ulcers research. Roxatidine Acetate Hydrochloride has antitumor activity.

HY-101373A

Zolantidine dimaleate	Antagonist	99.88%
Zolantidine dimaleate (SKF 95282 dimaleate) is a potent, selective and cross the blood-brain barrier histamine H2 antagonist. Zolantidine dimaleate induces antinociception.

HY-B0693

Ranitidine	Antagonist
Ranitidine is a potent, selective and orally active histamine H2-receptor antagonist with an IC₅₀ of 3.3 μM that inhibits gastric secretion. Ranitidine is a weak inhibitor of CYP2C19 and CYP2C9.

HY-14289A

Cimetidine hydrochloride	Antagonist
Cimetidine (SKF-92334) hydrochloride is an orally active and inverse histamine H2 receptor antagonist with a K_i of 0.6 μM. Cimetidine hydrochloride is a gastric acid reducer, and can be used for duodenal and gastric ulcers research. Cimetidine hydrochloride has anti-cancer and anti-inflammatory activity.

HY-107563A

ROS 234 dioxalate	Antagonist
ROS 234 dioxalate is a potent H3 antagonist, with a pK_B of 9.46 for Guinea-pig ileum H₃-receptor, a pK_i of 8.90 for Rat cerebral cortex H₃-receptor, and a ED₅₀ of 19.12 mg/kg (ip) in ex vivo of Rat cerebral cortex. ROS 234 dioxalate diaplays poor central access.

HY-101234

ICI 162846	Antagonist
ICI 162846 is an orally active antagonist of H₂ receptor. ICI 162846 inhibits acid production accompanied by an increase in the secretion of histamine in chronic duodenal ulcer (CDU) models. ICI 162846 is effective in preventing CDU.

HY-B0693A

Ranitidine bismuth citrate	Antagonist
Ranitidine bismuth citrate is an orally active Histamine H2-receptor antagonist with an IC₅₀ of 3.3 μM. Ranitidine bismuth citrate has high selectivity for SARS-CoV-2-infected cells. Ranitidine bismuth citrate is a commonly used agent anti-Helicobacter pylori infection with an MIC₉₀ value of 16 ng/L.

HY-10121B

Asenapine citrate	Antagonist
Asenapine citrate, an atypical antipsychotic, is an antagonist of serotonin receptors (pK_i: 8.4-10.5), adrenoceptors (pK_i: 8.9-9.5), dopamine receptors (pK_i: 8.9-9.4) and histamine receptors (pK_i: 8.2-9.0). Asenapine citrate can be used in the research of schizophrenia and bipolar disorder.

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