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allergic symptom

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By Targets:	Endogenous Metabolite (2) Histamine Receptor (15) iGluR (2) Isotope-Labeled Compounds (1) Leukotriene Receptor (1) Potassium Channel (2) Ser/Thr Protease (1) TNF Receptor (1)
By Research Areas:	Endocrinology (9) Inflammation/Immunology (13) Neurological Disease (6)

16

Inhibitors & Agonists

1

Natural
Products

2

Isotope-Labeled Compounds

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

Ebastine 1 Publications Verification LAS-W 090; RP64305	Histamine Receptor	Inflammation/Immunology Endocrinology
Ebastine (LAS-W 090) is an orally active, second-generation histamine H1 receptor antagonist. Ebastine can be used for the symptoms of allergic rhinitis and chronic idiopathic urticaria research .

Clemastine fumarate 5+ Cited Publications HS-592 fumarate; Meclastine fumarate	Histamine Receptor	Neurological Disease Endocrinology
Clemastine (HS-592) fumarate is a selective histamine H1 receptor antagonist. Clemastine fumarate is an antihistamine mainly used for relieving symptoms of allergic reactions primarily by competing with histamine to bind H1 receptors. Anti-inflammatory effects .

Desloratadine Maximum Cited Publications 10 Publications Verification Sch34117	Histamine Receptor TNF Receptor Leukotriene Receptor	Inflammation/Immunology
Desloratadine (Sch34117) is an orally active and selective H1 receptor antagonist (K_i=0.9 nM) with anti-inflammatory and anti-allergic activities. Desloratadine inhibits the release of histamine and LTC4 from human basophils and targets the regulatory signals of IL-4 and IL-13 production in basophils. Desloratadine significantly alleviates SAR symptoms in patients with concurrent asthma and can be used in the study of seasonal allergic rhinitis and chronic idiopathic urticaria .

Sequifenadine	Histamine Receptor	Inflammation/Immunology
Sequifenadine is a H1-antihistamine. Sequifenadine has the potential for the research of inflammatory eye disease with allergic symptoms .

Talastine hydrochloride	Histamine Receptor	Inflammation/Immunology
Talastine hydrochloride is an antihistamine with antiallergic activity. Talastine hydrochloride is used to relieve allergic symptoms. Talastine hydrochloride may cause adverse reactions such as rash, indicating differences in individual sensitivity. Talastine hydrochloride is considered a potential option for inhibiting allergic reactions .

Clemastine HS-592; Meclastine	Histamine Receptor	Neurological Disease
Clemastine (HS-592) is a potent and orally active histamine receptor H1 antagonist. Clemastine is an antihistamine mainly used for relieving symptoms of allergic reactions primarily by competing with histamine to bind H1 receptors. Anti-inflammatory effects .

Ebastine-d5	Histamine Receptor	Inflammation/Immunology Endocrinology
Ebastine-d₅ is the deuterium labeled Ebastine. Ebastine (LAS-W 090) is an orally active, second-generation histamine H1 receptor antagonist. Ebastine can be used for the symptoms of allergic rhinitis and chronic idiopathic urticaria research[1][2].

Ebastine (Standard)	Histamine Receptor	Inflammation/Immunology Endocrinology
Ebastine (Standard) is the analytical standard of Ebastine. This product is intended for research and analytical applications. Ebastine (LAS-W 090) is an orally active, second-generation histamine H1 receptor antagonist. Ebastine can be used for the symptoms of allergic rhinitis and chronic idiopathic urticaria research .

Ebastine-d6 LAS-W 090-d₆; RP64305-d₆	Histamine Receptor Isotope-Labeled Compounds	Inflammation/Immunology Endocrinology
Ebastine-d₆ is deuterated labeled Ebastine (HY-B0674). Ebastine (LAS-W 090) is an orally active, second-generation histamine H1 receptor antagonist. Ebastine can be used for the symptoms of allergic rhinitis and chronic idiopathic urticaria research .

RWJ-58643	Ser/Thr Protease	Inflammation/Immunology
RWJ-58643 is a β-trypsin inhibitor that suppresses allergic inflammation. RWJ-58643 (100 mg) significantly reduced nasal allergy symptoms, eosinophil infiltration, and IL-5 levels at low doses. RWJ-58643 resulted in late eosinophilia and elevated IL-5 levels at high doses (300 mg and 600 mg). RWJ-58643 modulates allergic responses by inhibiting the release of β-trypsin from mast cells .

Astemizole 5+ Cited Publications R 43512	Histamine Receptor Potassium Channel	Inflammation/Immunology Endocrinology
Astemizole (R 43512), a second-generation antihistamine agent to diminish allergic symptoms with a long duration of action, is a histamine H1-receptor antagonist, with an IC₅₀ of 4 nM. Astemizole also shows potent hERG K ⁺ channel blocking activity with an IC₅₀ of 0.9 nM. Astemizole has antipruritic effects .

Clemastine (fumarate) (Standard) HS-592 (fumarate) (Standard); Meclastine (fumarate) (Standard)	Histamine Receptor	Neurological Disease Endocrinology
Clemastine (fumarate) (Standard) is the analytical standard of Clemastine (fumarate). This product is intended for research and analytical applications. Clemastine (HS-592) fumarate is a selective histamine H1 receptor antagonist. Clemastine fumarate is an antihistamine mainly used for relieving symptoms of allergic reactions primarily by competing with histamine to bind H1 receptors. Anti-inflammatory effects .

PF-03654746	Histamine Receptor	Neurological Disease Inflammation/Immunology Endocrinology
PF-03654746 is a potent and selective histamine H3 receptor antagonist with high brain penetration. PF-03654746 reduces allergen-induced nasal symptoms, might be a novel therapeutic strategy to further explore allergic rhinitis . PF-03654746 improves cognitive efficacy and disease-modifying effects in Alzheimer's disease (AD) .

Astemizole (Standard)	Histamine Receptor Potassium Channel	Inflammation/Immunology Endocrinology
Astemizole (Standard) is the analytical standard of Astemizole. This product is intended for research and analytical applications. Astemizole (R 43512), a second-generation antihistamine agent to diminish allergic symptoms with a long duration of action, is a histamine H1-receptor antagonist, with an IC₅₀ of 4 nM. Astemizole also shows potent hERG K ⁺ channel blocking activity with an IC₅₀ of 0.9 nM. Astemizole has antipruritic effects .

Toladryl 4-Methyldiphenhydramine	Endogenous Metabolite iGluR Histamine Receptor	Neurological Disease Inflammation/Immunology
Toladryl is a derivative of Diphenhydramine (HY-B0303), capable of penetrating the blood-brain barrier and possessing oral activity, as well as antihistamine and anticholinergic activities. The anticholinergic activity of Toladryl is approximately one-tenth that of Diphenhydramine (HY-B0303), and its protective effect against lethal doses of histamine in guinea pigs is 2 to 4 times that of Diphenhydramine (HY-B0303). The side effects of Toladryl are fewer and milder than those of Diphenhydramine (HY-B0303), but at higher doses, it may cause central nervous system symptoms such as insomnia, agitation, and disorientation. Toladryl can be used for research in allergic diseases .

Toladryl (Standard)	Endogenous Metabolite iGluR Histamine Receptor	Neurological Disease Inflammation/Immunology
Toladryl (Standard) is the analytical standard of Toladryl. This product is intended for research and analytical applications. Toladryl is a derivative of Diphenhydramine (HY-B0303), capable of penetrating the blood-brain barrier and possessing oral activity, as well as antihistamine and anticholinergic activities. The anticholinergic activity of Toladryl is approximately one-tenth that of Diphenhydramine (HY-B0303), and its protective effect against lethal doses of histamine in guinea pigs is 2 to 4 times that of Diphenhydramine (HY-B0303). The side effects of Toladryl are fewer and milder than those of Diphenhydramine (HY-B0303), but at higher doses, it may cause central nervous system symptoms such as insomnia, agitation, and disorientation. Toladryl can be used for research in allergic diseases .

Cat. No.	Product Name	Category	Target	Chemical Structure

Desloratadine 5+ Cited Publications Sch34117	Structural Classification Natural Products Classification of Application Fields Endogenous metabolite Disease Research Fields Endocrinology	Histamine Receptor TNF Receptor Leukotriene Receptor
Desloratadine (Sch34117) is an orally active and selective H1 receptor antagonist (K_i=0.9 nM) with anti-inflammatory and anti-allergic activities. Desloratadine inhibits the release of histamine and LTC4 from human basophils and targets the regulatory signals of IL-4 and IL-13 production in basophils. Desloratadine significantly alleviates SAR symptoms in patients with concurrent asthma and can be used in the study of seasonal allergic rhinitis and chronic idiopathic urticaria .

Cat. No.	Product Name	Chemical Structure

Ebastine-d5
Ebastine-d₅ is the deuterium labeled Ebastine. Ebastine (LAS-W 090) is an orally active, second-generation histamine H1 receptor antagonist. Ebastine can be used for the symptoms of allergic rhinitis and chronic idiopathic urticaria research[1][2].

Ebastine-d6
Ebastine-d₆ is deuterated labeled Ebastine (HY-B0674). Ebastine (LAS-W 090) is an orally active, second-generation histamine H1 receptor antagonist. Ebastine can be used for the symptoms of allergic rhinitis and chronic idiopathic urticaria research .

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