Histamine Receptor Inhibitors

H₁ Receptor

H₂ Receptor

H₃ Receptor

H₄ Receptor

Histamine Receptor

Histamine Receptor Inhibitors, Agonists, Antagonists & Modulators

Product Name	H₁ Receptor	H₂ Receptor	H₃ Receptor	H₄ Receptor	Histamine Receptor	Purity
Cimetidine					Histamine Receptor, Ki: 0.6 μM	≥98.0%
Clemastine fumarate	H₁ Receptor					99.97%
Loratadine	H₁ Receptor					99.98%
Meclizine dihydrochloride	H₁ Receptor					99.95%
Cyclizine	H₁ Receptor					98.64%
Pheniramine maleate	H₁ Receptor, IC₅₀: 1.01 mM					99.94%
Terfenadine	H₁ Receptor					99.91%
Astemizole	H₁ Receptor					99.62%
Desloratadine	H₁ Receptor					99.83%
Amitriptyline hydrochloride	H₁ Receptor, IC₅₀: 1.1 nM		H₃ receptor, IC₅₀: 1 μM	H₄ receptor, IC₅₀: 33.6 nM		98.91%
Famotidine		H₂ Receptor				99.68%
(S)-(+)-Dimethindene maleate	H₁ Receptor, pA2: 7.48					99.94%
Diphenhydramine hydrochloride	H₁ Receptor					99.98%
Fexofenadine hydrochloride	H₁ Receptor					99.86%
Doxepin Hydrochloride	H₁ Receptor					99.79%
Ebastine	H₁ Receptor					99.67%
Pitolisant hydrochloride			H₃ receptor			99.96%
Ketotifen fumarate	H₁ Receptor					99.92%
Perphenazine		H₂ Receptor, Ki: 132 nM				99.95%
Promethazine hydrochloride	H₁ Receptor					99.20%
Cetirizine dihydrochloride	H₁ Receptor					99.53%
Ritanserin	H₁ Receptor, IC₅₀: 35 nM					99.68%
Chlorpheniramine maleate	H₁ Receptor					99.90%
JNJ-7777120				H₄ receptor		99.85%
Mianserin hydrochloride	H₁ Receptor					99.87%
Mirtazapine	H₁ Receptor, pKi: 9.3					99.94%
Mepyramine maleate	H₁ Receptor					99.93%
Azelastine hydrochloride	H₁ Receptor					99.93%
Diphenhydramine	H₁ Receptor					99.08%
Ranitidine hydrochloride		H₂ Receptor				99.88%
Clemizole hydrochloride	H₁ Receptor					99.99%
Hydroxyzine dihydrochloride	H₁ Receptor					99.81%
Rupatadine Fumarate	H₁ Receptor, Ki: 0.1 μM					98.77%
4-Methylhistamine dihydrochloride				H₄ receptor		99.35%
GSK189254A			H₃ receptor			98.59%
Thiethylperazine	H₁ Receptor					99.41%
Chlorprothixene	Human H₁ Receptor, Ki: 3.75 nM					99.61%
Asenapine	H₁ Receptor, pKi: 9.0	H₂ Receptor, pKi: 8.2				99.62%
Fexofenadine	H₁ Receptor					99.84%
Bilastine	H₁ Receptor					99.91%
Hydroxyzine pamoate	H₁ Receptor					99.85%
Oxatomide	H₁ Receptor					99.56%
Chlorprothixene hydrochloride	Human H₁ Receptor, Ki: 3.75 nM					99.91%
Emedastine	H₁ Receptor, Ki: 1.3 nM	H₂ Receptor, Ki: 49067 nM				98.01%
Epinastine	H₁ Receptor					≥98.0%
Bepotastine besilate	H₁ Receptor					99.77%
Alcaftadine	H₁ Receptor	H₂ Receptor				99.43%
Levocetirizine dihydrochloride	H₁ Receptor					99.73%
Levocetirizine	H₁ Receptor					99.41%
Epinastine hydrochloride	H₁ Receptor					99.73%
Clobenpropit dihydrobromide		H₂ Receptor, pKi: 5.6	Human H3LR, pKi: 9.44 Rat H3LR, pKi: 9.75	H₄ receptor, Ki: 13 nM		98.99%
Betahistine	H₁ Receptor		H₃ receptor			98.04%
Decloxizine dihydrochloride	H₁ Receptor					99.82%
Fenspiride hydrochloride	H₁ Receptor					99.11%
Dimenhydrinate	H₁ Receptor					99.89%
Tiotidine		H₂ Receptor, pA2: 7.3-7.8	H₃ Receptor, pA2: 4.8			99.28%
Betazole		H₂ Receptor
Diphenylpyraline hydrochloride	H₁ Receptor					99.94%
Nizatidine		H₂ Receptor				99.68%
Betahistine dihydrochloride			H₃ Receptor			99.82%
(R)-(-)-α-Methylhistamine dihydrochloride			H₃ receptor, Kd: 50.3 nM			99.62%
NP10679	H₁ Receptor, IC₅₀: 0.073 μM H₁ Receptor, Ki: 0.04 μM					99.42%
Triprolidine hydrochloride monohydrate	H₁ Receptor					99.92%
Chloropyramine hydrochloride	H₁ Receptor					99.73%
Brompheniramine maleate	H₁ Receptor, Kd: 6.06 nM					99.78%
Roxatidine		H₂ Receptor				98.25%
JNJ-39758979				Human H₄ Receptor, Ki: 12.5 nM Mouse H₄ Receptor, Ki: 5.3 nM Monkey H₄ receptor, Ki: 25 nM Rat H₄ receptor, Ki: 188 nM Guinea pig H₄ receptor, Ki: 306 nM		99.71%
Carebastine	H₁ Receptor					99.23%
Ranitidine		H₂ Receptor, IC₅₀: 3.3 μM
Dimaprit dihydrochloride		H₂ Receptor				99.91%
Thiethylperazine dimaleate	H₁ Receptor					99.72%
Toreforant				H₄ receptor, IC₅₀: 8.4±2.2 nM		99.82%
Psoralenoside	H₁ Receptor					99.84%
Roxatidine Acetate Hydrochloride		H₂ Receptor				99.26%
ABT-239			H₃ receptor			99.23%
Levocabastine hydrochloride	H₁ Receptor					99.3%
Tripelennamine hydrochloride	H₁ Receptor					99.81%
Antihistamine-1	H₁ Receptor					99.45%
VUF10460				H₄ receptor		99.28%
Izuforant				Human H₄ Receptor, IC₅₀: 36 nM		98.88%
JNJ10191584			human H₃ receptor, Ki: 14.1 μM	Human H₄ Receptor, Ki: 26 nM		99.95%
Niperotidine		H₂ Receptor				98.49%
Betahistine mesylate	H₁ Receptor		H₃ receptor			99.90%
INCB38579				Human H₄ Receptor, IC₅₀: 4.8 nM Mouse H₄ Receptor, IC₅₀: 42 nM Rat H₄ receptor, IC₅₀: 21 nM		99.97%
Cetirizine-d₄	H₁ Receptor					≥98.0%
Conessine			H₃ Receptor, Ki: 5.4 nM rat H₃ receptor, Ki: 25 nM Guinea pig H₃ Receptor, Ki: 6.0 nM Dog H₃ Receptor, Ki: 5.7 nM			99.87%
Doxylamine succinate	H₁ Receptor					99.76%
Cetirizine-d₈	H₁ Receptor					98.37%
H4 Receptor antagonist 1				H₄ receptor, IC₅₀: 19 nM		99.66%
Ketotifen	H₁ Receptor					99.74%
H3R antagonist 1 hydrochloride			H₃ receptor			99.10%
GSK239512			H₃ receptor			98.93%
Diphenhydramine-d₅ hydrochloride	H₁ Receptor					≥99.0%
JNJ-5207852			H₃ receptor, pKi: 8.9 (for rat) H₃ receptor, pKi: 9.24 (for human)			≥98.0%
Ketotifen-d₃ fumarate	H₁ Receptor					99.23%
Irdabisant			rat H₃ receptor, Ki: 7.2 nM human H₃ receptor, Ki: 2 nM			99.38%
Zaltidine		H₂ Receptor				99.49%
UNC9994	H₁ Receptor, Ki: 2.1 nM					98.06%
Hydroxyzine	H₁ Receptor					99.60%
Bavisant			H₃ receptor
Methapyrilene hydrochloride	H₁ Receptor					99.88%
Rupatadine	H₁ Receptor, Ki: 0.1 μM
Antazoline	H₁ Receptor					99.70%
Zolantidine dimaleate		H₂ Receptor				99.88%
Peptide 401					Histamine Receptor	98.26%
ST-1006				H₄ receptor, pKi: 7.94		99.55%
Oxomemazine	H₁ Receptor					99.18%
Imetit dihydrobromide			H₃ Receptor, Ki: 0.3 nM	H₄ receptor, Ki: 2.7 nM		≥98.0%
Cetirizine Impurity C dihydrochloride	H₁ Receptor					99.95%
(R)-(+)-Dimethindene maleate	H₁ Receptor, pA2: 7.7					99.94%
(R)-(-)-α-Methylhistamine dihydrobromide			H₃ Receptor, Kd: 50.3 nM
HTMT dimaleate	H₁ Receptor	H₂ Receptor				99.55%
JZP-361	H₁ Receptor, pA2: 6.81					99.72%
Thonzylamine	H₁ Receptor
Diphenylpyraline	H₁ Receptor					98.60%
HY-078020	H₁ Receptor, IC₅₀: 24.12 nM
Meclizine	H₁ Receptor
Thioperamide maleate			H₃ Receptor			98.26%
Cipralisant			H₃ receptor, pKi: 9.9 rat H₃ receptor, Ki: 0.47 nM			99.26%
Bavisant dihydrochloride hydrate			H₃ receptor			99.26%
SUN 1334H	H₁ Receptor
MK-0249			human H₃ receptor, IC₅₀: 1.7 nM human H₃ receptor, Ki: 6.8 nM rat H₃ receptor, Ki: 33 nM rhesus H₃ receptor, Ki: 4.3 nM			99.53%
Dexbrompheniramine	H₁ Receptor					99.60%
Cimetidine hydrochloride		H₂ Receptor, Kd: .6 μM
Meclizine dihydrochloride monohydrate	H₁ Receptor
H4R antagonist 1				Human H₄ Receptor, IC₅₀: 27 nM Mouse H₄ Receptor, IC₅₀: 290 nM		98.37%
Loratadine-d₄	H₁ Receptor
Cimetidine-d₃		H₂ Receptor
Levocetirizine-d₄ dihydrochloride	H₁ Receptor
Carebastine-d₅ Methyl Ester	H₁ Receptor
Bilastine-d₆	H₁ Receptor
Carebastine-d₅	H₁ Receptor
Diphenhydramine-d₆ hydrochloride	H₁ Receptor					98.83%
Brompheniramine	H₁ Receptor
Thonzylamine hydrochloride	H₁ Receptor
Triprolidine hydrochloride	H₁ Receptor
Cetirizine-d₄ dihydrochloride	H₁ Receptor
ROS 234 dioxalate		H₂ Receptor, pKi: 8.90 (Rat cerebral cortex H₃-receptor)
JNJ10191584 maleate			human H₃ receptor, Ki: 14.1 μM	Human H₄ Receptor, Ki: 26 nM
ICI 162846		H₂ Receptor
Desloratadine-d₅	H₁ Receptor
Levocabastine	H₁ Receptor
Cipralisant maleate			H₃ receptor, pKi: 9.9 rat H₃ receptor, Ki: 0.47 nM			99.84%
Pirolate	H₁ Receptor
JNJ 10181457 dihydrochloride			H₃ Receptor
ABT-288			human H₃ receptor, Ki: 1.9 nM rat H₃ receptor, Ki: 8.2 nM
JNJ-5207852 dihydrochloride			H₃ Receptor, pKi: 8.9 ( for rat) H₃ Receptor, pKi: 9.24 ( for human)
JNJ-39758979 dihydrochloride				Human H₄ Receptor, Ki: 12.5 nM Mouse H₄ Receptor, Ki: 5.3 nM Monkey H₄ receptor, Ki: 25 nM Rat H₄ receptor, Ki: 188 nM Guinea pig H₄ receptor, Ki: 306 nM
Ranitidine bismuth citrate		H₂ Receptor
Fexofenadine-d₁₀ hydrochloride	H₁ Receptor
Olopatadine	H₁ Receptor
Carbinoxamine-d₆ maleate	H₁ Receptor
Vapitadine hydrochloride	Human H₁ Receptor, Ki: 19 nM
Tripelennamine citrate	H₁ Receptor
A-943931				Human H₄ Receptor, Ki: 4.6 nM Rat H₄ receptor, Ki: 3.8 nM
Betazole dihydrochloride		H₂ Receptor
Irdabisant hydrochloride			rat H₃ receptor, Ki: 7.2 nM human H₃ receptor, Ki: 2 nM
Hydroxyzine-d₈ dihydrochloride	H₁ Receptor
Proxyfan			Rat H3LR, Ki: 2.9 nM Human H3LR, Ki: 2.7 nM
JNJ-28583867			H₃ receptor, Ki: 10.6 nM
Mirtazapine-d₄	H₁ Receptor
Betahistine-¹³C,d₃ dihydrochloride	H₁ Receptor
Cyclizine hydrochloride	H₁ Receptor
Cyclizine dihydrochloride	H₁ Receptor
Rupatadine-d₄ fumarate	H₁ Receptor
Oxmetidine		H₂ Receptor
Dexchlorpheniramine	H₁ Receptor
SUN-1334H free base	H₁ Receptor, IC₅₀: 20.3 nM
Fenspiride-d₅	H₁ Receptor
Cyclizine lactate	H₁ Receptor
Proxyfan Oxalate			Rat H3LR, Ki: 2.9 nM Human H3LR, Ki: 2.7 nM
Hydroxyzine-d₄ dihydrochloride	H₁ Receptor					≥98.0%
Asenapine citrate	H₁ Receptor, pKi: 9.0	H₂ Receptor, pKi: 8.2
Pheniramine	H₁ Receptor, IC₅₀: 1.01 mM
DA 4626		H₂ Receptor
Fenspiride	H₁ Receptor
Clobenpropit			H₃ receptor
Efletirizine	H₁ Receptor
Chloropyramine	H₁ Receptor
Doxylamine	H₁ Receptor
Linetastine					Histamine Receptor
Cetirizine-d₈ dihydrochloride	H₁ Receptor
UR-AK49	Human H₁ Receptor	H₂ Receptor
Emedastine difumarate	H₁ Receptor, Ki: 1.3 nM	H₂ Receptor, Ki: 49067 nM
H3R antagonist 2			human H₃ receptor, Ki: 170 nM
CP-66948		H₂ Receptor
CP19					Histamine Receptor
Mizolastine-¹³C,d₃	H₁ Receptor
Promethazine-d₄ hydrochloride	H₁ Receptor					≥98.0%
Hydroxyzine-d₈	H₁ Receptor					≥99.0%
AVN-101 hydrochloride	H₁ Receptor, Ki: 0.58 nM					99.59%
Roxatidine acetate		H₂ Receptor
Lavoltidine		H₂ Receptor
VUF 8430 dihydrobromide				H₄ receptor		98.00%
Chlorpheniramine-d₄ maleate	H₁ Receptor
Alimemazine	H₁ Receptor
Famotidine-¹³C,d₃		H₂ Receptor
BL-1020 mesylate					Histamine Receptor, Ki: 0.47 nM
BMY-25271		H₂ Receptor
Loratadine-d₅	H₁ Receptor					99.96%
Epinastine-¹³C,d₃ hydrobromide	H₁ Receptor
Tripelennamine	H₁ Receptor
Bavisant dihydrochloride			H₃ receptor
A-317920			rat H₃ receptor, pKi: 9.2 human H₃ receptor, pKi: 7.0
Ciproxifan			H₃ receptor, IC₅₀: 9.2 nM
Azelastine	H₁ Receptor
VUF 10214				H₄ receptor, pKi: 8.25
VUF 5681 dihydrobromide			H₃ receptor
UR-PI376				Human H₄ Receptor, pEC₅₀: 7.47
HSR-609	H₁ Receptor
GSK334429			H₃ Receptor, pKi: 9.49
Impromidine		H₂ Receptor
Aminopotentidine		H₂ Receptor, Kb: 220 nM

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