Histamine Receptor Inhibitors

H₁ Receptor

H₂ Receptor

H₃ Receptor

H₄ Receptor

Histamine Receptor

Histamine Receptor Ligands, Inhibitors, Agonists, Antagonists & Modulators

Product Name	H₁ Receptor	H₂ Receptor	H₃ Receptor	H₄ Receptor	Histamine Receptor	Purity
Clemastine fumarate	H₁ Receptor					99.90%
Cimetidine					Histamine Receptor, Ki: 0.6 μM	≥98.0%
Loratadine	H₁ Receptor					99.98%
Astemizole	H₁ Receptor					99.77%
Desloratadine	H₁ Receptor					99.88%
Terfenadine	H₁ Receptor					99.91%
Famotidine		H₂ Receptor				99.85%
Amitriptyline hydrochloride	H₁ Receptor, IC₅₀: 1.1 nM		H₃ receptor, IC₅₀: 1 μM	H₄ receptor, IC₅₀: 33.6 nM		99.94%
Diphenhydramine hydrochloride	H₁ Receptor					99.93%
(S)-(+)-Dimethindene maleate	H₁ Receptor, pA2: 7.48					99.80%
Ebastine	H₁ Receptor					99.95%
Fexofenadine hydrochloride	H₁ Receptor					99.94%
Pitolisant hydrochloride			H₃ receptor			99.51%
Perphenazine		H₂ Receptor, Ki: 132 nM				99.95%
Ritanserin	H₁ Receptor, IC₅₀: 35 nM					99.68%
Chlorpheniramine maleate	H₁ Receptor					99.67%
JNJ-7777120				H₄ receptor		99.95%
Ketotifen fumarate	H₁ Receptor					99.88%
Fexofenadine	H₁ Receptor					99.84%
Mianserin hydrochloride	H₁ Receptor					99.95%
Cetirizine dihydrochloride	H₁ Receptor					99.58%
Mirtazapine	H₁ Receptor, pKi: 9.3					99.94%
Diphenhydramine	H₁ Receptor					99.42%
Promethazine hydrochloride	H₁ Receptor					99.85%
Doxepin Hydrochloride	H₁ Receptor					99.64%
Mepyramine maleate	H₁ Receptor					99.93%
Meclizine dihydrochloride	H₁ Receptor					99.95%
Azelastine hydrochloride	H₁ Receptor					99.93%
Bepotastine	H₁ Receptor					98.58%
Ranitidine hydrochloride		H₂ Receptor				99.88%
Epinastine	H₁ Receptor					≥98.0%
Hydroxyzine dihydrochloride	H₁ Receptor					99.81%
Thiethylperazine	H₁ Receptor					99.91%
GSK189254A			H₃ receptor			98.59%
Ranitidine		H₂ Receptor				≥99.0%
Chlorprothixene	Human H₁ Receptor, Ki: 3.75 nM					99.70%
4-Methylhistamine dihydrochloride				H₄ receptor		99.35%
Rupatadine Fumarate	H₁ Receptor, Ki: 0.1 μM					98.77%
Fenspiride hydrochloride	H₁ Receptor					99.11%
Bilastine	H₁ Receptor					99.91%
Asenapine	H₁ Receptor, pKi: 9.0	H₂ Receptor, pKi: 8.2				99.62%
Decloxizine dihydrochloride	H₁ Receptor					99.69%
Betahistine	H₁ Receptor					98.89%
Oxatomide	H₁ Receptor					98.11%
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%
Hydroxyzine pamoate	H₁ Receptor					99.85%
Chloropyramine hydrochloride	H₁ Receptor					99.64%
Betahistine dihydrochloride			H₃ Receptor			99.82%
Clobenpropit dihydrobromide		H₂ Receptor, pKi: 5.6		H₄ receptor, Ki: 13 nM		98.99%
NP10679	H₁ Receptor, IC₅₀: 0.073 μM H₁ Receptor, Ki: 0.04 μM					98.40%
Diphenylpyraline hydrochloride	H₁ Receptor					99.94%
Dimenhydrinate	H₁ Receptor					99.89%
Betazole		H₂ Receptor
Triprolidine hydrochloride monohydrate	H₁ Receptor					99.92%
(R)-(-)-α-Methylhistamine dihydrochloride			H₃ receptor, Kd: 50.3 nM			99.62%
Ciproxifan maleate			H₃ receptor, IC₅₀: 9.2 nM			99.75%
Nizatidine		H₂ Receptor				99.68%
Ketotifen	H₁ Receptor					99.74%
Dimaprit dihydrochloride		H₂ Receptor				99.91%
Brompheniramine maleate	H₁ Receptor, Kd: 6.06 nM					99.78%
Carebastine	H₁ Receptor					99.23%
Cyclizine	H₁ Receptor					98.64%
ABT-239			H₃ receptor			99.23%
Roxatidine		H₂ Receptor				98.25%
Levocabastine hydrochloride	H₁ Receptor					99.3%
Roxatidine Acetate Hydrochloride		H₂ Receptor				99.26%
VUF10460				H₄ receptor		99.28%
GSK239512			H₃ receptor			99.09%
Tiotidine		H₂ Receptor, pA2: 7.3-7.8	H₃ Receptor, pA2: 4.8			99.28%
JNJ-5207852			H₃ receptor, pKi: 8.9 (for rat) H₃ receptor, pKi: 9.24 (for human)			≥98.0%
Methapyrilene hydrochloride	H₁ Receptor					99.88%
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%
Niperotidine		H₂ Receptor				98.49%
Psoralenoside	H₁ Receptor					99.84%
Izuforant				Human H₄ Receptor, IC₅₀: 36 nM		98.88%
Hydroxyzine	H₁ Receptor					99.72%
Rupatadine	H₁ Receptor, Ki: 0.1 μM					99.70%
Antazoline	H₁ Receptor					99.70%
Cetirizine-d₈	H₁ Receptor
HY-078020	H₁ Receptor, IC₅₀: 24.12 nM					98.87%
Betahistine mesylate	H₁ Receptor		H₃ receptor			99.90%
Tripelennamine hydrochloride	H₁ Receptor					99.81%
Toreforant				H₄ receptor, IC₅₀: 8.4±2.2 nM		99.82%
Pheniramine maleate	H₁ Receptor, IC₅₀: 1.01 mM					99.94%
Diphenhydramine-d₅ hydrochloride	H₁ Receptor					99.72%
Thiethylperazine dimaleate	H₁ Receptor					99.99%
JNJ10191584			human H₃ receptor, Ki: 14.1 μM	Human H₄ Receptor, Ki: 26 nM		99.95%
Thonzylamine	H₁ Receptor
Thioperamide maleate			H₃ Receptor			98.26%
UNC9994	H₁ Receptor, Ki: 2.1 nM					98.06%
Bavisant			H₃ receptor
S 38093			H₃ receptor			99.86%
Diphenhydramine-d₆ hydrochloride	H₁ Receptor					98.83%
INCB38579				Human H₄ Receptor, IC₅₀: 4.8 nM Mouse H₄ Receptor, IC₅₀: 42 nM Rat H₄ receptor, IC₅₀: 21 nM		99.97%
HTMT dimaleate	H₁ Receptor	H₂ Receptor				99.55%
Cetirizine-d₄	H₁ Receptor					≥98.0%
Imetit dihydrobromide			H₃ Receptor, Ki: 0.3 nM	H₄ receptor, Ki: 2.7 nM		≥98.0%
H3R antagonist 1 hydrochloride			H₃ receptor			99.10%
(R)-(-)-α-Methylhistamine dihydrobromide			H₃ Receptor, Kd: 50.3 nM			≥98.0%
Irdabisant			rat H₃ receptor, Ki: 7.2 nM human H₃ receptor, Ki: 2 nM			99.38%
Metiamide		H₂ Receptor				98.08%
Zolantidine dimaleate		H₂ Receptor				99.88%
Niaprazine	H₁ Receptor					99.67%
Oxomemazine	H₁ Receptor					99.18%
Aminopotentidine		H₂ Receptor, Kb: 220 nM				98.54%
Ketotifen-d₃ fumarate	H₁ Receptor					99.23%
Bavisant dihydrochloride hydrate			H₃ receptor			99.26%
Dexbrompheniramine	H₁ Receptor					99.60%
H4R antagonist 1				Human H₄ Receptor, IC₅₀: 27 nM Mouse H₄ Receptor, IC₅₀: 290 nM		99.82%
Cetirizine Impurity C dihydrochloride	H₁ Receptor					99.95%
Peptide 401					Histamine Receptor	98.26%
JZP-361	H₁ Receptor, pA2: 6.81					99.72%
(R)-(+)-Dimethindene maleate	H₁ Receptor, pA2: 7.7					99.94%
Doxylamine succinate	H₁ Receptor					99.76%
PF-03654764			human H₃ receptor, Ki: 1.2 nM rat H₃ receptor, Ki: 7.9 nM human H₃ receptor, pKi: 8.98 rat H₃ receptor, pKi: 8.10			≥99.0%
Diphenylpyraline	H₁ Receptor					98.60%
VUF 8430 dihydrobromide				H₄ receptor		98.00%
Cipralisant			H₃ receptor, pKi: 9.9 rat H₃ receptor, Ki: 0.47 nM			99.26%
H4 Receptor antagonist 1				H₄ receptor, IC₅₀: 19 nM		99.66%
Meclizine	H₁ Receptor
Zaltidine		H₂ Receptor				99.49%
ST-1006				H₄ receptor, pKi: 7.94		99.55%
Doxepin-d₃ hydrochloride	H₁ Receptor					99.88%
Ciproxifan			H₃ receptor, IC₅₀: 9.2 nM			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%
Cimetidine hydrochloride		H₂ Receptor, Kd: .6 μM
Meclizine dihydrochloride monohydrate	H₁ Receptor
Chlorprothixene-d₆ hydrochloride	H₁ Receptor
Loratadine-d₄	H₁ Receptor
Betahistine-d₃ dihydrochloride	H₁ Receptor					≥99.0%
Astemizole-d₃	H₁ Receptor
Carebastine-d₅ Methyl Ester	H₁ Receptor
Desloratadine-d₉	H₁ Receptor
Carebastine-d₅	H₁ Receptor
Desloratadine-d₄	H₁ Receptor
Levocetirizine-d₄ dihydrochloride	H₁ Receptor
Cimetidine-d₃		H₂ Receptor
Nizatidine-d₃		H₂ Receptor				98.80%
Rupatadine-d₄ fumarate	H₁ Receptor
A-943931				Human H₄ Receptor, Ki: 4.6 nM Rat H₄ receptor, Ki: 3.8 nM
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
Fenspiride-d₅	H₁ Receptor
Cetirizine-d₄ dihydrochloride	H₁ Receptor
Lavoltidine		H₂ Receptor
Ebastine-d₅	H₁ Receptor
Cyclizine hydrochloride	H₁ Receptor
Tripelennamine citrate	H₁ Receptor
Thonzylamine hydrochloride	H₁ Receptor
Hydroxyzine-d₄ dihydrochloride	H₁ Receptor					≥98.0%
Irdabisant hydrochloride			rat H₃ receptor, Ki: 7.2 nM human H₃ receptor, Ki: 2 nM
Chloropyramine	H₁ Receptor
JNJ-5207852 dihydrochloride			H₃ Receptor, pKi: 8.9 ( for rat) H₃ Receptor, pKi: 9.24 ( for human)
Pheniramine	H₁ Receptor, IC₅₀: 1.01 mM
Hydroxyzine-d₈ dihydrochloride	H₁ Receptor
ROS 234 dioxalate		H₂ Receptor, pKi: 8.90 (Rat cerebral cortex H₃-receptor)
Cyclizine dihydrochloride	H₁ Receptor
Mizolastine-¹³C,d₃	H₁ Receptor
SUN-1334H free base	H₁ Receptor, IC₅₀: 20.3 nM
H3R antagonist 5	H₁ Receptor, IC₅₀: >10 μM	H₂ Receptor, IC₅₀: >10 μM	H₃ receptor, IC₅₀: 0.54 nM	H₄ receptor, IC₅₀: >10 μM
JNJ-28583867			H₃ receptor, Ki: 10.6 nM
H3R antagonist 2			human H₃ receptor, Ki: 170 nM
Triprolidine hydrochloride	H₁ Receptor
Oxmetidine		H₂ Receptor
Levocabastine	H₁ Receptor
Clobenpropit			H₃ receptor
Betazole dihydrochloride		H₂ Receptor
Desloratadine-d₅	H₁ Receptor
AVN-101 hydrochloride	H₁ Receptor, Ki: 0.58 nM					99.59%
Asenapine citrate	H₁ Receptor, pKi: 9.0	H₂ Receptor, pKi: 8.2
Carbinoxamine-d₆ maleate	H₁ Receptor
Roxatidine acetate		H₂ Receptor
DA 4626		H₂ Receptor
Hydroxyzine-d₈	H₁ Receptor					≥99.0%
Efletirizine	H₁ Receptor
Epinastine-¹³C,d₃ hydrobromide	H₁ Receptor
Ranitidine bismuth citrate		H₂ Receptor
Cipralisant maleate			H₃ receptor, pKi: 9.9 rat H₃ receptor, Ki: 0.47 nM			99.84%
JNJ 10181457 dihydrochloride			H₃ Receptor
Mirtazapine-d₄	H₁ Receptor
Proxyfan			Rat H3LR, Ki: 2.9 nM Human H3LR, Ki: 2.7 nM
Fenspiride	H₁ Receptor
Linetastine					Histamine Receptor
(S)-Cetirizine dihydrochloride	H₁ Receptor, Ki: 39.1 nM
Promethazine-d₄ hydrochloride	H₁ Receptor					≥98.0%
ABT-288			human H₃ receptor, Ki: 1.9 nM rat H₃ receptor, Ki: 8.2 nM
Loratadine-d₅	H₁ Receptor					99.96%
Tripelennamine	H₁ Receptor
Doxylamine	H₁ Receptor
Fexofenadine-d₁₀ hydrochloride	H₁ Receptor
UR-AK49	Human H₁ Receptor	H₂ Receptor
Famotidine-¹³C,d₃		H₂ Receptor
(-)-Brompheniramine	H₁ Receptor					99.67%
Cetirizine-d₈ dihydrochloride	H₁ Receptor
Desloratadine-3,3,5,5-d₄	H₁ Receptor
H1R ligand-1	Human H₁ Receptor
Betahistine-¹³C,d₃ dihydrochloride	H₁ Receptor
CP19					Histamine Receptor
Vapitadine hydrochloride	Human H₁ Receptor, Ki: 19 nM
Olopatadine	H₁ Receptor					98.94%
Proxyfan Oxalate			Rat H3LR, Ki: 2.9 nM Human H3LR, Ki: 2.7 nM
Hydroxyzine-d₄ dihydrochloride	H₁ Receptor
Chlorpheniramine-d₄ maleate	H₁ Receptor
Platelet aggregation-IN-3		H₂ Receptor			Histamine Receptor
Cyclizine lactate	H₁ Receptor
ICI 162846		H₂ Receptor
JNJ10191584 maleate			human H₃ receptor, Ki: 14.1 μM	Human H₄ Receptor, Ki: 26 nM
Emedastine difumarate	H₁ Receptor, Ki: 1.3 nM	H₂ Receptor, Ki: 49067 nM
Bavisant dihydrochloride			H₃ receptor
Ranitidine-d₆ hydrochloride		H₂ Receptor
Impromidine		H₂ Receptor
Bilastine-d₆	H₁ Receptor
VUF 5681 dihydrobromide			H₃ receptor
HSR-609	H₁ Receptor
Arpromidine	H₁ Receptor	H₂ Receptor
Azelastine	H₁ Receptor
VUF 10214				H₄ receptor, pKi: 8.25
UR-PI376				Human H₄ Receptor, pEC₅₀: 7.47
Terfenadine-d3	H₁ Receptor
Gizzerosine		H₂ Receptor
GSK334429			H₃ Receptor, pKi: 9.49
CP-66948		H₂ Receptor
A-317920			rat H₃ receptor, pKi: 9.2 human H₃ receptor, pKi: 7.0
BL-1020 mesylate					Histamine Receptor, Ki: 0.47 nM

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