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Results for "

antihistaminic

" in MedChemExpress (MCE) Product Catalog:

By Targets:	5-HT Receptor (16) Adrenergic Receptor (6) Aldose Reductase (1) Apoptosis (7) Bacterial (4) Calcium Channel (7) Cholinesterase (ChE) (1) Cytochrome P450 (5) Dengue virus (1) Dopamine Receptor (8) Dopamine Transporter (1) Drug Metabolite (4) Endogenous Metabolite (15) Flavivirus (1) Fungal (1) GABA Receptor (2) HBV (2) Histamine Receptor (157) iGluR (3) Influenza Virus (2) Isotope-Labeled Compounds (18) Lipoxygenase (1) mAChR (13) mGluR (1) P2X Receptor (2) Parasite (2) Potassium Channel (7) SARS-CoV (7) Sigma Receptor (1) Sodium Channel (4)
By Research Areas:	Cancer (27) Cardiovascular Disease (9) Endocrinology (80) Infection (13) Inflammation/Immunology (125) Metabolic Disease (7) Neurological Disease (65)

By Targets:

5-HT Receptor (16)

Adrenergic Receptor (6)

Aldose Reductase (1)

Apoptosis (7)

Bacterial (4)

Calcium Channel (7)

Cholinesterase (ChE) (1)

Cytochrome P450 (5)

Dengue virus (1)

Dopamine Receptor (8)

Dopamine Transporter (1)

Drug Metabolite (4)

Endogenous Metabolite (15)

Flavivirus (1)

Fungal (1)

GABA Receptor (2)

HBV (2)

Histamine Receptor (157)

iGluR (3)

Influenza Virus (2)

Isotope-Labeled Compounds (18)

Lipoxygenase (1)

mAChR (13)

mGluR (1)

P2X Receptor (2)

Parasite (2)

Potassium Channel (7)

SARS-CoV (7)

Sigma Receptor (1)

Sodium Channel (4)

By Research Areas:

Cancer (27)

Cardiovascular Disease (9)

Endocrinology (80)

Infection (13)

Inflammation/Immunology (125)

Metabolic Disease (7)

Neurological Disease (65)

193

Inhibitors & Agonists

Natural
Products

Isotope-Labeled Compounds

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-B1090S

Cinnarizine-d8	Calcium Channel Histamine Receptor	Cardiovascular Disease Endocrinology
Cinnarizine-d₈ is a deuterium labeled Cinnarizine. Cinnarizine is an antihistamine and a calcium channel blocker.

HY-107647A

(R)-(+)-Dimethindene maleate	Histamine Receptor	Inflammation/Immunology
(R)-(+)-Dimethindene maleate is an orally active H₁-receptor blocker with antihistaminic properties in pigs .

HY-A0128A

Buclizine dihydrochloride	Histamine Receptor	Inflammation/Immunology Cancer
Buclizine dihydrochloride is an orally active *antihistamine* antiallergic compound. Buclizine dihydrochloride is a potent teratogen in the rat and shows anti-tumor activity .

HY-118910

AHR-14310C	Histamine Receptor	Inflammation/Immunology
AHR-14310C is a potent, long-acting, nonsedating *H1-antihistamine* that prevents antigen-induced mucus formation in sensitive rats .

HY-107787

Dioxopromethazine Prothanon; 9,9-Dioxopromethazine; 9,9-Dioxypromethazin	Histamine Receptor	Inflammation/Immunology
Dioxopromethazine is an orally active antihistamine. Dioxopromethazine inhibits asthmatic symptoms .

HY-147085

Loratadine n-oxide	Histamine Receptor	Inflammation/Immunology
Loratadine n-oxide is a metabolite of Loratadine. Loratadine n-oxide shows antihistamine activity .

HY-106334

Noberastine R 64947	Histamine Receptor	Neurological Disease
Noberastine is a potent Histamine H1 antagonist. Noberastine has specific peripheral antihistamine activity .

HY-167850

Noberastine maleate R 64947 maleate	Histamine Receptor	Neurological Disease
Noberastine maleate is a potent Histamine H1 antagonist. Noberastine maleate has specific peripheral antihistamine activity .

HY-106957

Efletirizine	Histamine Receptor	Inflammation/Immunology
Efletirizine (EFZ) is an orally active antihistamine with high selectivity and affinity to the H₁-receptor. Efletirizine can be used for allergic disease research .

HY-121215

Chloracyzine	Histamine Receptor	Cardiovascular Disease Neurological Disease
Chloracyzine is an antianginal agent with spasmolytic properties and prevent or relieve spasms of the coronary vessels. Chloracyzine shows a moderate antihistaminic effect .

HY-A0128

Buclizine	Histamine Receptor	Inflammation/Immunology Cancer
Buclizine is an orally active *antihistamine* antiallergic compound. Buclizine is a potent teratogen in the rat and shows anti-tumor activity .

HY-B0462A

Azelastine	Histamine Receptor SARS-CoV	Infection Metabolic Disease Inflammation/Immunology Endocrinology
Azelastine, an antihistamine, is a potent and selective histamine 1 (H₁) antagonist. Azelastine can be used for the research of allergic rhinitis, asthma, diabetic hyperlipidemic and SARS-CoV-2 .

HY-131256

Cetirizine Impurity C	Histamine Receptor	Inflammation/Immunology Endocrinology
Cetirizine Impurity C is an impurity of Cetirizine. Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist ^{[1] ^{^{[2] ^.}}}

HY-131256A

Cetirizine Impurity C dihydrochloride	Histamine Receptor	Inflammation/Immunology Endocrinology
Cetirizine Impurity C dihydrochloride is an impurity of Cetirizine. Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist ^{[1] ^{^{[2] ^.}}}

HY-A0191

Dexbrompheniramine (+)-Brompheniramine; (S)-Brompheniramine	Endogenous Metabolite Histamine Receptor	Inflammation/Immunology
Dexbrompheniramine is an orally active H1 receptor antagonist. Dexbrompheniramine is an antihistamine that reduces the effects of natural chemical histamine. Dexbrompheniramine can be used for the research of hay fever and urticaria .

HY-A0191A

Dexbrompheniramine maleate (+)-Brompheniramine maleate; (S)-Brompheniramine maleate	Endogenous Metabolite Histamine Receptor	Inflammation/Immunology
Dexbrompheniramine maleate is an orally active H1 receptor antagonist. Dexbrompheniramine maleate is an antihistamine that reduces the effects of natural chemical histamine. Dexbrompheniramine maleate can be used for the research of hay fever and urticaria .

HY-B0462

Azelastine hydrochloride 1 Publications Verification	Histamine Receptor SARS-CoV	Infection Metabolic Disease Inflammation/Immunology Endocrinology
Azelastine hydrochloridem, an antihistamine, is a potent and selective histamine 1 (H₁) antagonist. Azelastine hydrochloride can be used for the research of allergic rhinitis, asthma, diabetic hyperlipidemic and SARS-CoV-2 .

HY-B0462B

(S)-Azelastine hydrochloride (+)-Azelastine hydrochloride	Histamine Receptor SARS-CoV	Infection Metabolic Disease Inflammation/Immunology Endocrinology
(S)-Azelastine hydrochloride, an antihistamine, is a potent and selective histamine 1 (H₁) antagonist. (S)-Azelastine hydrochloride can be used for the research of allergic rhinitis, asthma, diabetic hyperlipidemic and SARS-CoV-2 .

HY-B1568A

Bromodiphenhydramine hydrochloride Ambodryl hydrochloride	Histamine Receptor Bacterial	Infection Inflammation/Immunology
Bromodiphenhydramine hydrochloride is a potent *antihistamine* with antimicrobial property. Bromodiphenhydramine hydrochloride inhibits a large number of Gram negative and Gram positive bacteria. Bromodiphenhydramine hydrochloride can be used for cutaneous allergies research .

HY-B1568

Bromodiphenhydramine Ambodryl	Histamine Receptor Bacterial	Infection Inflammation/Immunology
Bromodiphenhydramine (Ambodryl) is a potent *antihistamine* with antimicrobial property. Bromodiphenhydramine inhibits a large number of Gram negative and Gram positive bacteria. Bromodiphenhydramine can be used for cutaneous allergies research .

HY-B1301

Triprolidine hydrochloride monohydrate	Histamine Receptor	Neurological Disease Inflammation/Immunology
Triprolidine hydrochloride monohydrate, a first-generation antihistamine, is an oral active histamine H1 antagonist. Triprolidine hydrochloride monohydrate can be used for the research of allergic rhinitis. Triprolidine hydrochloride monohydrate exhibits spinal motor and sensory block in rats .

HY-B0462R

Azelastine hydrochloride (Standard)	Histamine Receptor SARS-CoV	Infection Metabolic Disease Inflammation/Immunology Endocrinology
Azelastine (hydrochloride) (Standard) is the analytical standard of Azelastine (hydrochloride). This product is intended for research and analytical applications. Azelastine hydrochloridem, an antihistamine, is a potent and selective histamine 1 (H₁) antagonist. Azelastine hydrochloride can be used for the research of allergic rhinitis, asthma, diabetic hyperlipidemic and SARS-CoV-2 .

HY-B1296

Promethazine 1 Publications Verification (±)-Promethazine	Histamine Receptor	Neurological Disease Endocrinology
Promethazine is an orally active histamine receptor antagonist . Promethazine is first-generation antihistamine of the phenothiazine family, shows strong sedative and weak antipsychotic effects .

HY-B1483

Methapyrilene hydrochloride Thenylpyramine hydrochloride	Histamine Receptor	Inflammation/Immunology
Methapyrilene (Thenylpyramine) hydrochloride is an orally active H1-receptor antihistamine and an anticholinergic agent of the pyridine chemical class. Methapyrilene hydrochloride has hepatotoxicity and can be used as a hepatotoxin that cause periportal hepatic necrosis in vivo

HY-B1568AR

Bromodiphenhydramine hydrochloride (Standard)	Histamine Receptor Bacterial	Infection Inflammation/Immunology
Bromodiphenhydramine (hydrochloride) (Standard) is the analytical standard of Bromodiphenhydramine (hydrochloride). This product is intended for research and analytical applications. Bromodiphenhydramine hydrochloride is a potent antihistamine with antimicrobial property. Bromodiphenhydramine hydrochloride inhibits a large number of Gram negative and Gram positive bacteria. Bromodiphenhydramine hydrochloride can be used for cutaneous allergies research .

HY-B0298A

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 .

HY-B0640A

Epinastine hydrochloride WAL801 hydrochloride	Histamine Receptor	Inflammation/Immunology Endocrinology
Epinastine hydrochloride (WAL801 hydrochloride) is an antihistamine and mast cell stabilizer. Epinastine hydrochloride is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine hydrochloride also inhibits IL-8 release and has an antiallergic action .

HY-B1301R

Triprolidine hydrochloride monohydrate (Standard)	Histamine Receptor	Neurological Disease Inflammation/Immunology
Triprolidine (hydrochloride monohydrate) (Standard) is the analytical standard of Triprolidine (hydrochloride monohydrate). This product is intended for research and analytical applications. Triprolidine hydrochloride monohydrate, a first-generation antihistamine, is an oral active histamine H1 antagonist. Triprolidine hydrochloride monohydrate can be used for the research of allergic rhinitis. Triprolidine hydrochloride monohydrate exhibits spinal motor and sensory block in rats .

HY-B0640

Epinastine WAL801	Histamine Receptor	Inflammation/Immunology Endocrinology
Epinastine (WAL801) is an antihistamine and mast cell stabilizer. Epinastine is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine also inhibits IL-8 release and has an antiallergic action .

HY-B0298

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 .

HY-B0349

Meclizine dihydrochloride 2 Publications Verification Meclozine dihydrochloride	Histamine Receptor Apoptosis	Neurological Disease Endocrinology Cancer
Meclizine (Meclozine) dihydrochloride, an *antihistamine, reversibly inhibits the interaction of histamine at the H1 receptors. Meclizine dihydrochloride is a member of the piperazine class of H1 antagonists. Meclizine dihydrochloride is an effective anti-motion sickness agent. Meclizine dihydrochloride crosses the blood-brain barrier. Meclizine dihydrochloride can be used for the research of polyQ toxicity disorders, such as Huntington's disease. Meclizine dihydrochloride is an agonist ligand for mouse constitutive androstane receptor (CAR)* and an inverse agonist for Human CAR .

HY-B0349A

Meclizine Meclozine	Histamine Receptor Apoptosis	Neurological Disease Inflammation/Immunology
Meclizine (Meclozine), an *antihistamine, reversibly inhibits the interaction of histamine at the H1 receptors. Meclizine is a member of the piperazine class of H1 antagonists. Meclizine is an effective anti-motion sickness agent. Meclizine crosses the blood–brain barrier. Meclizine is an agonist ligand for mouse constitutive androstane receptor (CAR)* and an inverse agonist for Human CAR. Meclizine can be used for the research of polyQ toxicity disorders, such as Huntington's disease .

HY-B0349B

Meclizine dihydrochloride monohydrate Meclozine dihydrochloride monohydrate	Histamine Receptor Apoptosis	Neurological Disease Inflammation/Immunology
Meclizine (Meclozine) dihydrochloride monohydrate, an *antihistamine, reversibly inhibits the interaction of histamine at the H1 receptors. Meclizine dihydrochloride is a member of the piperazine class of H1 antagonists. Meclizine dihydrochloride monohydrate is an effective anti-motion sickness agent. Meclizine dihydrochloride monohydrate crosses the blood-brain barrier. Meclizine dihydrochloride monohydrate is an agonist ligand for mouse constitutive androstane receptor (CAR)* and an inverse agonist for Human CAR. Meclizine dihydrochloride monohydrate can be used for the research of polyQ toxicity disorders, such as Huntington's disease .

HY-B1317

Thonzylamine Neohetramine	Histamine Receptor	Inflammation/Immunology
Thonzylamine is an orally active H₁ histamine receptor antagonist with good antihistaminic and antianaphylactic properties. Thonzylamine can be used for the research of hypersensitivity diseases, nasal congestion, allergic conjunctivitis and other allergic diseases .

HY-B1317A

Thonzylamine hydrochloride Neohetramine hydrochloride	Histamine Receptor	Inflammation/Immunology
Thonzylamine hydrochloride is an orally active H₁ histamine receptor antagonist with good antihistaminic and antianaphylactic properties. Thonzylamine hydrochloride can be used for the research of hypersensitivity diseases, nasal congestion, allergic conjunctivitis and other allergic diseases .

HY-12532

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 .

HY-119832B

(S)-Setastine (S)-EGIS-2062 free acid; (S)-EGYT-2062 free acid	Histamine Receptor	Inflammation/Immunology
(S)-Setastine ((S)-EGIS-2062 free acid) is a non-sedating, highly potent antagonist of H1 receptor-mediated responses. (S)-Setastine has a long-lasting antihistamine effect and good oral efficacy. (S)-Setastine can be used in the research of allergic diseases .

HY-101314

3-CPMT Tropine 4-chlorobenzhydryl ether hydrochloride	Dopamine Transporter	Neurological Disease
3-CPMT (Tropine 4-chlorobenzhydryl ether hydrochloride) is a potent dopamine uptake inhibitor . 3-CPMT (Tropine 4-chlorobenzhydryl ether hydrochloride) acts as a potent long-acting antihistaminic agent .

HY-B1296S1

Promethazine-d4 (±)-Promethazine-d₄; N,N-dimethyl-1-phenothiazin-10-yl-propan-2-amine-d₄	Isotope-Labeled Compounds Adrenergic Receptor mAChR Histamine Receptor	Neurological Disease
Promethazine-d4 is a deuterated-labeled promethazine (HY-B0781). Promethazine is an orally active H1 receptor and mAChR antagonist with antihistamine (H1), sedative, antiemetic, anticholinergic, and anti-motion sickness properties .

HY-W016321

N-Benzylaniline N-Phenylbenzylamine; Benzylaniline	Others	Others
N-Benzylaniline (N-Phenylbenzylamine) is an N-alkylated derivative of aniline. N-benzyl aniline also is a major metabolite of the antihistamine antazoline and other N-substituted benzyl anilines. N-Benzylaniline can be used for the research of various biochemical studies .

HY-12532R

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 .

HY-123205

Oxatomide	Histamine Receptor P2X Receptor 5-HT Receptor	Inflammation/Immunology
Oxatomide is a potent and orally active dual H1-histamine receptor and P2X7 receptor antagonist with antihistamine and anti-allergic activity. Oxatomide almost completely blocks the ATP-induced current in human P2X7 receptors (IC₅₀ of 0.95 μM). Oxatomide inhibits ATP-induced Ca ²⁺ influx with an IC₅₀ value of 0.43 μM and also inhibits serotonin .

HY-B1317R

Thonzylamine (Standard)	Histamine Receptor	Inflammation/Immunology
Thonzylamine (Standard) is the analytical standard of Thonzylamine. This product is intended for research and analytical applications. Thonzylamine is an orally active H₁ histamine receptor antagonist, exhibits good antihistaminic and antianaphylactic properties. Thonzylamine can be used for the research of hypersensitivity diseases, nasal congestion, allergic conjunctivitis and other allergic diseases .

HY-B0164

Mizolastine	Histamine Receptor	Inflammation/Immunology
Mizolastine is an orally active, high affinity and specific peripheral histamine H1 receptor antagonist (second generation antihistamine). Mizolastine effectively inhibits mRNA expression of VEGF165, VEGF120, TNF-α and KC. Mizolastine can be used in studies of allergic rhinitis and chronic idiopathic urticarial .

HY-B0164A

Mizolastine dihydrochloride	Histamine Receptor	Inflammation/Immunology
Mizolastine dihydrochloride is an orally active, high affinity and specific peripheral histamine H1 receptor antagonist (second generation antihistamine). Mizolastine dihydrochloride effectively inhibits mRNA expression of VEGF165, VEGF120, TNF-α and KC. Mizolastine dihydrochloride can be used in studies of allergic rhinitis and chronic idiopathic urticarial .

HY-B0480

Brompheniramine maleate 1 Publications Verification (±)-Brompheniramine maleate	Histamine Receptor mAChR Potassium Channel Sodium Channel Calcium Channel	Neurological Disease Inflammation/Immunology Endocrinology
Brompheniramine ((±)-Brompheniramine) maleate is a potent and orally active antihistamine of the alkylamine class. Brompheniramine maleate is a selective histamine H1 receptor antagonist with a K_d of 6.06 nM. Brompheniramine maleate can block the hERG channels, calcium channels, and sodium channels with IC₅₀s of 0.90 μM, 16.12 μM and 21.26 μM, respectively. Brompheniramine maleate has anticholinergic, antidepressant and anesthetic properties and can be used for allergic rhinitis research .

HY-B0480A

Brompheniramine (±)-Brompheniramine	Histamine Receptor mAChR Potassium Channel Sodium Channel Calcium Channel	Neurological Disease Inflammation/Immunology Endocrinology
Brompheniramine ((±)-Brompheniramine) is a potent and orally active antihistamine of the alkylamine class. Brompheniramine is a selective histamine H1 receptor antagonist with a K_d of 6.06 nM. Brompheniramine can block the hERG channels, calcium channels, and sodium channels with IC₅₀s of 0.90 μM, 16.12 μM and 21.26 μM, respectively. Brompheniramine has anticholinergic, antidepressant and anesthetic properties and can be used for allergic rhinitis research .

HY-B0781

Promethazine hydrochloride 1 Publications Verification	Histamine Receptor mAChR Adrenergic Receptor	Neurological Disease Endocrinology
Promethazine hydrochloride is an orally active phenothiazine derivative with antihistaminic (H1), sedative, antiemetic, anticholinergic, and antimotion sickness properties. Promethazine hydrochloride is a potent H1 receptor antagonist and a mAChR antagonist. It also has a certain affinity for 5-HT2A and 5-HT2C receptors .

HY-123205R

Oxatomide (Standard)	Histamine Receptor P2X Receptor 5-HT Receptor	Inflammation/Immunology
Oxatomide (Standard) is the analytical standard of Oxatomide. This product is intended for research and analytical applications. Oxatomide is a potent and orally active dual H1-histamine receptor and P2X7 receptor antagonist with antihistamine and anti-allergic activity. Oxatomide almost completely blocks the ATP-induced current in human P2X7 receptors (IC₅₀ of 0.95 μM). Oxatomide inhibits ATP-induced Ca ²⁺ influx with an IC₅₀ value of 0.43 μM and also inhibits serotonin .

HY-136587

Oxomemazine	Histamine Receptor mGluR	Inflammation/Immunology
Oxomemazine is a phenothiazine-based histamine H1-receptor blocker with pronounced antimuscarinic properties. Oxomemazine is a selective antagonist for muscarinic M1 receptor, displays about 20-fold difference in the affinity for high (K_i= 84 nM, M1 receptor) and low (K_i= 1.65 μM, M2 receptor) affinity sites . Oxomemazine an antihistamine and anticholinergic agent used for the study of cough treatment .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-A0191

Dexbrompheniramine (+)-Brompheniramine; (S)-Brompheniramine	Structural Classification Natural Products Classification of Application Fields Source classification Endogenous metabolite Inflammation/Immunology Disease Research Fields	Endogenous Metabolite Histamine Receptor
Dexbrompheniramine is an orally active H1 receptor antagonist. Dexbrompheniramine is an antihistamine that reduces the effects of natural chemical histamine. Dexbrompheniramine can be used for the research of hay fever and urticaria .

HY-N0054

Osthole Maximum Cited Publications 11 Publications Verification Osthol; NSC 31868	Cardiovascular Disease Structural Classification Classification of Application Fields Source classification Coumarins Plants Biological Pesticide Research Agricultural Research Infection other families Phenylpropanoids Inflammation/Immunology Disease Research Fields Endocrinology	Histamine Receptor Apoptosis Parasite HBV
Osthole (Osthol) is a natural antihistamine alternative. Osthole may be a potential inhibitor of histamine H₁ receptor activity. Osthole also suppresses the secretion of HBV in cells.

HY-17042

Cetirizine 2 Publications Verification	Classification of Application Fields Ketones, Aldehydes, Acids Source classification Endogenous metabolite Disease Research Fields Endocrinology	Histamine Receptor
Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist. Cetirizine marks antiallergic properties and inhibits eosinophil chemotaxis during the allergic response .

HY-17428

Tripelennamine hydrochloride	Structural Classification Alkaloids Classification of Application Fields Source classification Pyridine Alkaloids Endogenous metabolite Inflammation/Immunology Disease Research Fields	Histamine Receptor Endogenous Metabolite
Tripelennamine hydrochloride, an ethylenediamine derivative, is a potent histamine H1-receptor antagonist. Tripelennamine hydrochloride lessens the allergic response of the organism caused by histamine. Tripelennamine hydrochloride can be used for the research of rhinitis, conjunctivitis, and allergic and anaphylactic reactions .

HY-N1517

Ganoderic acid C2	Triterpenes Structural Classification Microorganisms Classification of Application Fields Terpenoids Source classification Polyporaceae Plants Disease Research Fields Cancer	Aldose Reductase
Ganoderic acid C2 is a bioactive triterpenoid in Ganoderma lucidum. Ganoderic acid C2 possesses the potential anti-tumor bioactivity, antihistamine, anti-aging and cytotoxic effects. Ganoderic acid C2 exhibits high inhibitory activity against the rat lens aldose reductase (RLAR) with an IC₅₀ of 3.8 µM .

HY-B0539R

Desloratadine (Standard) Sch34117 (Standard)	Structural Classification Natural Products Classification of Application Fields Source classification Endogenous metabolite Disease Research Fields Endocrinology	Histamine Receptor Endogenous Metabolite Drug Metabolite
Desloratadine (Standard) is the analytical standard of Desloratadine. This product is intended for research and analytical applications. Desloratadine (Sch34117) is the orally active major metabolite of the nonsedating *H1-antihistamine* Loratadine. Desloratadine is a selective H1-receptor antagonist that has anti-allergic and anti-inflammatory activities .

HY-N0054R

Osthole (Standard)	Structural Classification other families Source classification Coumarins Phenylpropanoids Plants	Histamine Receptor Apoptosis Parasite HBV
Osthole (Standard) is the analytical standard of Osthole. This product is intended for research and analytical applications. Osthole (Osthol) is a natural antihistamine alternative. Osthole may be a potential inhibitor of histamine H1 receptor activity. Osthole also suppresses the secretion of HBV in cells.

HY-129482

Detoxin D1	Structural Classification Natural Products Microorganisms Source classification	Others
Detoxin D1 is a compound with antihistamine activity and a new type of H1 antagonist. In the suppression of seasonal allergic rhinitis, a daily dose of 10-30 mg has an equivalent and highly effective inhibitory effect compared with placebo and has good safety.

HY-17428A

Tripelennamine	Structural Classification Alkaloids Classification of Application Fields Source classification Pyridine Alkaloids Endogenous metabolite Inflammation/Immunology Disease Research Fields Endocrinology	Histamine Receptor Endogenous Metabolite
Tripelennamine, an ethylenediamine derivative, is a potent histamine H1-receptor antagonist. Tripelennamine lessens the allergic response of the organism caused by histamine. Tripelennamine can be used for the research of rhinitis, conjunctivitis, and allergic and anaphylactic reactions .

HY-17428B

Tripelennamine citrate	Structural Classification Alkaloids Classification of Application Fields Source classification Pyridine Alkaloids Endogenous metabolite Inflammation/Immunology Disease Research Fields Endocrinology	Histamine Receptor Endogenous Metabolite
Tripelennamine citrate, an ethylenediamine derivative, is a potent histamine H1-receptor antagonist. Tripelennamine citrate lessens the allergic response of the organism caused by histamine. Tripelennamine citrate can be used for the research of rhinitis, conjunctivitis, and allergic and anaphylactic reactions .

HY-N3187

Nimbin	Other Terpenoids Infection Structural Classification other families Neurological Disease Classification of Application Fields Terpenoids Source classification Plants Inflammation/Immunology Disease Research Fields	Flavivirus Dengue virus Fungal Bacterial Histamine Receptor
Nimbin is a intermediate limonoid isolated from Azadirachta. Nimbin prevents tau aggregation and increases cell viability. Nimbin is effective inhibits the envelope protein of dengue virus. Nimbin has anti-inflammatory, antipyretic, antifungal, antihistamine, antiseptic, antioxidant, anti-cancer and anti-viral properties. Nimbin can across blood-brain barrier .

HY-17042R

Cetirizine (Standard)	Structural Classification Ketones, Aldehydes, Acids Source classification Endogenous metabolite	Histamine Receptor
Cetirizine (Standard) is the analytical standard of Cetirizine. This product is intended for research and analytical applications. Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist. Cetirizine marks antiallergic properties and inhibits eosinophil chemotaxis during the allergic response .

Cat. No.	Product Name	Chemical Structure

HY-B1090S

Cinnarizine-d8
Cinnarizine-d₈ is a deuterium labeled Cinnarizine. Cinnarizine is an antihistamine and a calcium channel blocker.

HY-B0157AS

Ketotifen-d3 fumarate
Ketotifen-d₃ (fumarate) is the deuterium labeled Ketotifen fumarate. Ketotifen (HC 20511) fumarate is a second-generation noncompetitive H1-antihistamine and mast cell stabilizer, which is used to prevent asthma attacks[1][2].

HY-12752S

Alimemazine-d6
Alimemazine-d₆ is deuterium labeled Alimemazine, which is an antihistamine.

HY-B0801S

Fexofenadine-d6 2 Publications Verification
Fexofenadine-d₆ is deuterium labeled Fexofenadine, which is an antihistamine pharmaceutical agent.

HY-B1296S1

Promethazine-d4
Promethazine-d4 is a deuterated-labeled promethazine (HY-B0781). Promethazine is an orally active H1 receptor and mAChR antagonist with antihistamine (H1), sedative, antiemetic, anticholinergic, and anti-motion sickness properties .

HY-B0971S

Pheniramine-d6 maleate
Pheniramine-d₆ (maleate) is the deuterium labeled Pheniramine maleate. Pheniramine Maleate ia an antihistamine and vasoconstrictor.

HY-B0539S

Desloratadine-d4
Desloratadine-d₄ is the deuterium labeled Desloratadine. Desloratadine (Sch34117) is the orally active major metabolite of the nonsedating H1-antihistamine Loratadine. Desloratadine is a selective H1-receptor antagonist that has anti-allergic and anti-inflammatory activities[1][2].

HY-B0539S1

Desloratadine-d9
Desloratadine-d₉ is the deuterium labeled Desloratadine. Desloratadine (Sch34117) is the orally active major metabolite of the nonsedating H1-antihistamine Loratadine. Desloratadine is a selective H1-receptor antagonist that has anti-allergic and anti-inflammatory activities[1][2].

HY-B0539S3

Desloratadine-d5
Desloratadine-d₅ is deuterium labeled Desloratadine. Desloratadine (Sch34117) is the orally active major metabolite of the nonsedating H1-antihistamine Loratadine. Desloratadine is a selective H1-receptor antagonist that has anti-allergic and anti-inflammatory activities[1][2].

HY-B0539S4

Desloratadine-d4 hydrobromide
Desloratadine-d₄ hydrobromide is deuterated labeled Desloratadine (HY-B0539). Desloratadine (Sch34117) is the orally active major metabolite of the nonsedating *H1-antihistamine* Loratadine. Desloratadine is a selective H1-receptor antagonist that has anti-allergic and anti-inflammatory activities .

HY-B0539S2

Desloratadine-3,3,5,5-d4
Desloratadine-3,3,5,5-d₄ is the deuterium labeled Desloratadine. Desloratadine (Sch34117) is the orally active major metabolite of the nonsedating H1-antihistamine Loratadine. Desloratadine is a selective H1-receptor antagonist that has anti-allergic and anti-inflammatory activities[1][2].

HY-B1470S

Azaperone-d4
Azaperone-d₄ is the deuterium labeled Azaperone. Azaperone (R-1929) acts as a dopamine antagonist but also has some antihistaminic and anticholinergic properties. Azaperone is a pyridinylpiperazine and butyrophenone neuroleptic agent with antiemetic effects, which is used mainly as a tranquilizer in veterinary medicine.

HY-B0548AS2

Hydroxyzine-d8 dihydrochloride
Hydroxyzine-d₈ (dihydrochloride) is the deuterium labeled Hydroxyzine dihydrochloride. Hydroxyzine dihydrochloride, a benzodiazepine antihistamine agent, acts as a orally active histamine H1-receptor and serotonin antagonist. Hydroxyzine dihydrochloride has anxiolytic effect and can be used forthe research of generalised anxiety disorder[1][2].

HY-B0548AS1

Hydroxyzine-d4' dihydrochloride
Hydroxyzine-d₄ (dihydrochloride) is the deuterium labeled Hydroxyzine dihydrochloride. Hydroxyzine dihydrochloride, a benzodiazepine antihistamine agent, acts as a orally active histamine H1-receptor and serotonin antagonist. Hydroxyzine dihydrochloride has anxiolytic effect and can be used forthe research of generalised anxiety disorder[1][2].

HY-B0462AS

Azelastine-13C,d3
Azelastine- ¹³C,d₃ is deuterium labeled Azelastine. Azelastine, an antihistamine, is a potent and selective histamine 1 (H1) antagonist. Azelastine can be used for the research of allergic rhinitis, asthma, diabetic hyperlipidemic and SARS-CoV-2[1][2][3][4].

HY-B0674S1

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 .

HY-17042AS

Cetirizine-d4 dihydrochloride
Cetirizine-d₄ (dihydrochloride) is a deuterium labeled Cetirizine. Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist. Cetirizine marks antiallergic properties and inhibits eosinophil chemotaxis during the allergic response[1][2][3].

HY-17042AS1

Cetirizine-d8 dihydrochloride
Cetirizine-d₈ (dihydrochloride) is a deuterium labeled Cetirizine. Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist. Cetirizine marks antiallergic properties and inhibits eosinophil chemotaxis during the allergic response[1][2][3].

HY-17042S

Cetirizine-d4
Cetirizine-d₄ is a deuterium labeled Cetirizine. Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist. Cetirizine marks antiallergic properties and inhibits eosinophil chemotaxis during the allergic response[1][2][3].

HY-17042S1

Cetirizine-d8
Cetirizine-d₈ is a deuterium labeled Cetirizine. Cetirizine, a second-generation antihistamine and the carboxylated metabolite of hydroxyzine, is a specific, orally active and long-acting histamine H1-receptor antagonist. Cetirizine marks antiallergic properties and inhibits eosinophil chemotaxis during the allergic response[1][2][3].

HY-13762S

Tesmilifene-d4
Tesmilifene-d4 is the deuterium labeled Tesmilifene (HY-13762). Tesmilifene is an antihistamine agent and a chemical sensitizer. Tesmilifene targets cytochrome P450, exhibits hormonal effects on DNA synthesis in MCF-7 cells, and stimulates the tumor growth in mouse/rat models. Tesmilifene overcomes multidrug resistance .

HY-B0781S

Promethazine-d4 hydrochloride
Promethazine-d₄ (hydrochloride) is the deuterium labeled Promethazine hydrochloride. Promethazine hydrochloride is the first-generation antihistamine; strong antagonist of the H1 receptor and moderate mACh receptor antagonist, moderate affinity for 5-HT2A, 5-HT2C, D2 and α1-adrenergic receptors.

HY-B0640S

Epinastine-13C,d3 hydrobromide
Epinastine- ¹³C,d₃ (hydrobromide) is the ¹³C- and deuterium labeled Epinastine. Epinastine (WAL801) is an antihistamine and mast cell stabilizer. Epinastine is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine also inhibits IL-8 release and has an antiallergic action[1][2][3][4].

HY-B0814S

Levocetirizine-d4 dihydrochloride

Levocetirizine-d₄ (dihydrochloride) is the deuterium labeled Levocetirizine. Levocetirizine ((R)-Cetirizine) is a third-generation peripheral H1-receptor antagonist. Levocetirizine is an antihistaminic agent which is the R-enantiomer of Cetirizine. Levocetirizine has a higher affinity for the histamine H1-receptor than (S)-Cetirizine and can effectively treat allergic rhinitis and chronic idiopathic urticaria[1].

HY-B0462S

Azelastine-13C,d3 hydrochloride
Azelastine- ¹³C,d₃ (hydrochloride) is the ¹³C- and deuterium labeled Azelastine hydrochloride. Azelastine- ¹³C,d₃ (hydrochloride), an antihistamine, is a potent and selective histamine 1 (H1) antagonist. Azelastine- ¹³C,d₃ (hydrochloride) can be used for the research of allergic rhinitis, asthma, diabetic hyperlipidemic and SARS-CoV-2[1][2][3][4].

HY-B0520AS1

Benztropine-d3 mesylate

Benztropine-d₃ (mesylate) is the deuterium labeled Benztropine mesylate[1]. Benztropine mesylate (Benzatropine mesylate) is an orally active centrally acting anticholinergic agent that can be used for Parkinson's disease research. Benztropine mesylate is an anti-histamine agent and a dopamine re-uptake inhibitor. Benztropine mesylate is also a human D2 dopamine receptor allosteric antagonist. Benztropine mesylate also has anti-CSCs (cancer stem cells) effects[2][3].

HY-B0520AS

Benztropine-13C,d3 mesylate

Benztropine- ¹³C,d₃ (mesylate) is the ¹³C- and deuterium labeled Benztropine (mesylate). Benztropine mesylate (Benzatropine mesylate) is an orally active centrally acting anticholinergic agent that can be used for Parkinson's disease research. Benztropine mesylate is an anti-histamine agent and a dopamine re-uptake inhibitor. Benztropine mesylate is also a human D2 dopamine receptor allosteric antagonist. Benztropine mesylate also has anti-CSCs (cancer stem cells) effects[1][2].

HY-B0814S1

Levocetirizine-d4

Levocetirizine-d₄ ((R)-Cetirizine-d₄) is the deuterium-labeled Levocetirizine (HY-B0814) . Levocetirizine ((R)-Cetirizine) is a third-generation peripheral H1-receptor antagonist. Levocetirizine is an antihistaminic agent which is the R-enantiomer of Cetirizine. Levocetirizine has a higher affinity for the histamine H1-receptor than (S)-Cetirizine and can effectively treat allergic rhinitis and chronic idiopathic urticaria .

HY-32329S

Setiptiline-d3

Setiptiline-d₃ is the deuterium labeled Setiptiline. Setiptiline (Org-8282) is a serotonin receptor antagonist. Setiptiline is a tetracyclic antidepressant (TeCA) which acts as a noradrenergic and specific serotonergic antidepressant (NaSSA). Setiptiline acts as a norepinephrine reuptake inhibitor, α2-adrenergic receptor antagonist, and serotonin receptor antagonist, likely at the 5-HT2A, 5-HT2C, and/or 5-HT3 subtypes, as well as an H1 receptor inverse agonist/antihistamine[1][2].

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