Histamine Receptor Inhibitors

H₁ Receptor

H₂ Receptor

H₃ Receptor

H₄ Receptor

Histamine Receptor

Histamine Receptor Inhibitors, Agonists, Antagonists, Modulators, Controls & Ligands

Product Name	H₁ Receptor	H₂ Receptor	H₃ Receptor	H₄ Receptor	Histamine Receptor	Purity
Cimetidine					Histamine Receptor, Ki: 0.6 μM	99.69%
Clemastine fumarate	H₁ Receptor					99.96%
Loratadine	H₁ Receptor					99.98%
Betazole hydrochloride		H₂ Receptor				98.48%
Desloratadine	H₁ Receptor					99.98%
Astemizole	H₁ Receptor					99.77%
Terfenadine	H₁ Receptor					99.98%
Famotidine		H₂ Receptor				99.85%
Amitriptyline					Histamine Receptor	99.94%
Diphenhydramine	H₁ Receptor					99.85%
Amitriptyline hydrochloride	H₁ Receptor, IC₅₀: 1.1 nM		H₃ receptor, IC₅₀: 1 μM	H₄ receptor, IC₅₀: 33.6 nM		99.94%
Fexofenadine	H₁ Receptor					99.84%
Ritanserin	H₁ Receptor, IC₅₀: 35 nM					99.68%
Ebastine	H₁ Receptor					99.95%
Mirtazapine	H₁ Receptor, pKi: 9.3					99.94%
JNJ-7777120				H₄ receptor		99.95%
(S)-(+)-Dimethindene maleate	H₁ Receptor, pA2: 7.48					99.80%
Meclizine dihydrochloride	H₁ Receptor					99.95%
Diphenhydramine hydrochloride	H₁ Receptor					99.93%
Fexofenadine hydrochloride	H₁ Receptor					99.94%
Perphenazine		H₂ Receptor, Ki: 132 nM				99.81%
Pitolisant hydrochloride			H₃ receptor			99.51%
Mepyramine maleate	H₁ Receptor					99.94%
Mianserin hydrochloride	H₁ Receptor					99.95%
Ketotifen	H₁ Receptor					99.74%
Ranitidine		H₂ Receptor				99.9%
Doxepin Hydrochloride	H₁ Receptor					99.64%
Azelastine hydrochloride	H₁ Receptor					99.93%
Chlorpheniramine maleate	H₁ Receptor					99.67%
Bepotastine	H₁ Receptor					99.88%
Ketotifen fumarate	H₁ Receptor					99.88%
Cetirizine dihydrochloride	H₁ Receptor					99.58%
Epinastine	H₁ Receptor					98.0%
Levocetirizine	H₁ Receptor					98.98%
Clemizole hydrochloride	H₁ Receptor					99.99%
Hydroxyzine dihydrochloride	H₁ Receptor					99.59%
Alcaftadine	H₁ Receptor	H₂ Receptor				98.37%
Promethazine hydrochloride	H₁ Receptor					99.85%
Oxatomide	H₁ Receptor					98.11%
Rupatadine	H₁ Receptor, Ki: 0.1 μM					99.96%
Chlorprothixene	Human H₁ Receptor, Ki: 3.75 nM					99.87%
Fenspiride hydrochloride	H₁ Receptor					99.70%
Ranitidine hydrochloride		H₂ Receptor				99.86%
Betahistine dihydrochloride			H₃ Receptor			99.82%
Betahistine	H₁ Receptor		H₃ receptor			99.84%
Bepotastine besilate	H₁ Receptor					99.77%
Thiethylperazine	H₁ Receptor					99.91%
Clemastine	H₁ Receptor					99.26%
Chlorprothixene hydrochloride	Human H₁ Receptor, Ki: 3.75 nM					99.91%
Olopatadine hydrochloride	H₁ Receptor					99.83%
Asenapine	H₁ Receptor, pKi: 9.0	H₂ Receptor, pKi: 8.2				99.62%
Mianserin	H₁ Receptor					99.42%
Hydroxyzine	H₁ Receptor					99.72%
Levocabastine hydrochloride	H₁ Receptor					99.37%
Nizatidine		H₂ Receptor				98.94%
Dimenhydrinate	H₁ Receptor					99.89%
GSK189254A			H₃ receptor			98.59%
Doxylamine succinate	H₁ Receptor					99.76%
Decloxizine dihydrochloride	H₁ Receptor					99.69%
4-Methylhistamine dihydrochloride				H₄ receptor		99.35%
Rupatadine Fumarate	H₁ Receptor, Ki: 0.1 μM					99.99%
NP10679	H₁ Receptor, IC₅₀: 0.073 μM H₁ Receptor, Ki: 0.04 μM					98.40%
GSK239512			H₃ receptor			99.09%
Emedastine	H₁ Receptor, Ki: 1.3 nM	H₂ Receptor, Ki: 49067 nM				98.01%
Diphenhydramine-d₅ hydrochloride	H₁ Receptor					99.84%
Bilastine	H₁ Receptor					99.91%
Triprolidine hydrochloride monohydrate	H₁ Receptor					99.92%
Methapyrilene hydrochloride	H₁ Receptor					99.88%
(R)-(-)-α-Methylhistamine dihydrochloride			H₃ receptor, Kd: 50.3 nM			99.76%
Dimaprit dihydrochloride		H₂ Receptor				98.70%
Pemirolast potassium	H₁ Receptor					99.99%
Diphenhydramine-d₆ hydrochloride	H₁ Receptor					99.30%
Clobenpropit dihydrobromide		H₂ Receptor, pKi: 5.6	Human H3LR, pKi: 9.44 Rat H3LR, pKi: 9.75	H₄ receptor, Ki: 13 nM		99.76%
Imetit dihydrobromide			H₃ Receptor, Ki: 0.3 nM	H₄ receptor, Ki: 2.7 nM		98.16%
VUF10460				H₄ receptor		99.35%
Izuforant				Human H₄ Receptor, IC₅₀: 36 nM		98.88%
Hydroxyzine pamoate	H₁ Receptor					99.85%
Chloropyramine hydrochloride	H₁ Receptor					99.64%
Ciproxifan maleate			H₃ receptor, IC₅₀: 9.2 nM			99.68%
ABT-239			H₃ receptor			99.23%
Levocetirizine dihydrochloride	H₁ Receptor					99.8%
Roxatidine Acetate Hydrochloride		H₂ Receptor				99.57%
Tiotidine		H₂ Receptor, pA2: 7.3-7.8	H₃ Receptor, pA2: 4.8			99.28%
Pheniramine maleate	H₁ Receptor, IC₅₀: 1.01 mM					99.94%
JNJ-5207852			H₃ receptor, pKi: 8.9 (for rat) H₃ receptor, pKi: 9.24 (for human)			98.0%
Irdabisant			rat H₃ receptor, Ki: 7.2 nM human H₃ receptor, Ki: 2 nM			99.58%
Bavisant			H₃ receptor			98.81%
Epinastine hydrochloride	H₁ Receptor					99.86%
Brompheniramine maleate	H₁ Receptor, Kd: 6.06 nM					99.78%
Ciproxifan			H₃ receptor, IC₅₀: 9.2 nM			99.26%
Carbinoxamine maleate salt	H₁ Receptor					98.78%
HY-078020	H₁ Receptor, IC₅₀: 24.12 nM					98.87%
UNC9994	H₁ Receptor, Ki: 2.1 nM					98.06%
Bavisant dihydrochloride hydrate			H₃ receptor			98.07%
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%
Cetirizine-d₈	H₁ Receptor
Thiethylperazine dimaleate	H₁ Receptor					99.99%
Toreforant				H₄ receptor, IC₅₀: 8.4±2.2 nM
Metiamide		H₂ Receptor
HTMT dimaleate	H₁ Receptor	H₂ Receptor				99.55%
Carebastine	H₁ Receptor					99.23%
JNJ10191584			human H₃ receptor, Ki: 14.1 μM	Human H₄ Receptor, Ki: 26 nM		99.90%
Thioperamide maleate			H₃ Receptor			98.26%
Niperotidine		H₂ Receptor				98.90%
AVN-101 hydrochloride	H₁ Receptor, Ki: 0.58 nM					99.59%
Loratadine-d₅	H₁ Receptor					99.96%
Diphenylpyraline hydrochloride	H₁ Receptor					99.94%
Azelastine	H₁ Receptor					99.92%
Cyclizine	H₁ Receptor					98.64%
S 38093			H₃ receptor			99.86%
Antazoline	H₁ Receptor					99.70%
Triprolidine hydrochloride	H₁ Receptor					99.76%
Zolantidine dimaleate		H₂ Receptor				99.19%
PF-03654746 Tosylate			H₃ receptor			99.65%
Antihistamine-1	H₁ Receptor					99.08%
JZP-361	H₁ Receptor, pA2: 6.81					99.63%
Thonzylamine	H₁ Receptor					98.05%
Betazole		H₂ Receptor
VUF 8430 dihydrobromide				H₄ receptor		98.00%
Psoralenoside	H₁ Receptor					99.84%
Aminopotentidine		H₂ Receptor, Kb: 220 nM				98.54%
Dexbrompheniramine	H₁ Receptor					99.60%
Roxatidine		H₂ Receptor				98.25%
INCB38579				Human H₄ Receptor, IC₅₀: 4.8 nM Mouse H₄ Receptor, IC₅₀: 42 nM Rat H₄ receptor, IC₅₀: 21 nM		99.33%
Tripelennamine hydrochloride	H₁ Receptor					99.81%
Olopatadine	H₁ Receptor					98.94%
Niaprazine	H₁ Receptor					99.67%
H3R antagonist 1 hydrochloride			H₃ receptor			99.10%
(R)-(-)-α-Methylhistamine dihydrobromide			H₃ Receptor, Kd: 50.3 nM			≥98.0%
Ketotifen-d₃ fumarate	H₁ Receptor					99.23%
H4R antagonist 1				Human H₄ Receptor, IC₅₀: 27 nM Mouse H₄ Receptor, IC₅₀: 290 nM		99.82%
Astemizole-d₃	H₁ Receptor
Brompheniramine	H₁ Receptor					99.82%
Peptide 401					Histamine Receptor
ST-1006				H₄ receptor, pKi: 7.94		99.55%
Desloratadine-d₅	H₁ Receptor					99.74%
Clemastine-d₅ fumarate	H₁ Receptor					99.48%
Oxomemazine	H₁ Receptor					99.18%
Cetirizine-d₄	H₁ Receptor					99.10%
Cetirizine Impurity C dihydrochloride	H₁ Receptor					99.95%
Doxepin-d₃ hydrochloride	H₁ Receptor					99.88%
(R)-(+)-Dimethindene maleate	H₁ Receptor, pA2: 7.7					99.50%
A-943931				Human H₄ Receptor, Ki: 4.6 nM Rat H₄ receptor, Ki: 3.8 nM		99.57%
H4 Receptor antagonist 1				H₄ receptor, IC₅₀: 19 nM		99.66%
Desmethylastemizole	H₁ Receptor					98.26%
H4R antagonist 3	H₁ Receptor, EC₅₀: ≤10 mM			H₄ receptor, EC₅₀: ≤10 mM
Proxyfan			Rat H3LR, Ki: 2.9 nM Human H3LR, Ki: 2.7 nM			99.33%
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%
Meclizine	H₁ Receptor
Betahistine mesylate	H₁ Receptor		H₃ receptor			99.90%
Promethazine-d₄ hydrochloride	H₁ Receptor
Zaltidine		H₂ Receptor				99.49%
Cipralisant			H₃ receptor, pKi: 9.9 rat H₃ receptor, Ki: 0.47 nM			99.26%
Decloxizine	H₁ Receptor					99.80%
SUN 1334H	H₁ Receptor					98.29%
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
Desloratadine-d₄	H₁ Receptor
Loratadine-d₄	H₁ Receptor
Betahistine-d₃ dihydrochloride	H₁ Receptor					99.0%
Cimetidine-d₃		H₂ Receptor
Desloratadine-d₉	H₁ Receptor
Levocetirizine-d₄ dihydrochloride	H₁ Receptor					99.39%
Carebastine-d₅ Methyl Ester	H₁ Receptor
Chlorprothixene-d₆ hydrochloride	H₁ Receptor
Carebastine-d₅	H₁ Receptor
Nizatidine-d₃		H₂ Receptor				98.80%
Thonzylamine 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
MK-3134			H₃ receptor, Ki: 3.6 nM
Doxylamine-d₅	H₁ Receptor
YM-344484	H₁ Receptor
Terfenadine N-oxide	H₁ Receptor, IC₅₀: 2.73 μM
Carcinine dihydrochloride	H₁ Receptor, Ki: 3621.2 μM	H₂ Receptor, Ki: 365.3 μM	H₃ receptor, Ki: 0.2939 μM			99.39%
Norzine dimalate	H₁ Receptor
ICI 162846		H₂ Receptor
H3R antagonist 6			H₃ receptor, IC₅₀: 5.6 nM
Levocabastine	H₁ Receptor
Cipralisant maleate			H₃ receptor, pKi: 9.9 rat H₃ receptor, Ki: 0.47 nM			99.84%
σ1R/H3R ligand-1			human H₃ receptor, Ki: 31.2 nM
AZD3778	Human H₁ Receptor, IC₅₀: 40 nM
Pirolate	H₁ Receptor
JNJ 10181457 dihydrochloride			H₃ Receptor
Desloratadine-3,3,5,5-d₄	H₁ 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)			98.49%
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
Etintidine hydrochloride		H₂ Receptor
H3R antagonist 8			H₃ receptor, IC₅₀: 0.35 μM
Betahistine EP Impurity C	H₁ Receptor		H₃ receptor			98.38%
Fexofenadine-d₁₀ hydrochloride	H₁ Receptor
(S)-Cetirizine dihydrochloride	H₁ Receptor, Ki: 39.1 nM
4-Methylhistamine				H₄ receptor, Ki: 50 nM
JNJ 40279486				H₄ receptor, Ki: 9 nM
Carbinoxamine-d₆ maleate	H₁ Receptor
Vapitadine hydrochloride	Human H₁ Receptor, Ki: 19 nM
Tripelennamine citrate	H₁ Receptor
BP1.3656B			H₃ receptor, IC₅₀: 0.38 nM
Orf 17910		H₂ Receptor
Betazole dihydrochloride		H₂ Receptor
Irdabisant hydrochloride			rat H₃ receptor, Ki: 7.2 nM human H₃ receptor, Ki: 2 nM
Difeterol	H₁ Receptor
Hydroxyzine-d₈ dihydrochloride	H₁ Receptor
JNJ-28583867			H₃ receptor, Ki: 10.6 nM
Mirtazapine-d₄	H₁ Receptor
Betahistine-¹³C,d₃ dihydrochloride	H₁ Receptor
Cyclizine hydrochloride	H₁ Receptor					99.9%
Mepyramine 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
IGN-2098		H₂ Receptor, pA2: 7.32
VUF5207			H₃ 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
Ebastine-d₅	H₁ Receptor
FUB 465			H₃ receptor
Doxylamine-d₅ succinate	H₁ Receptor					≥98.0%
Pheniramine	H₁ Receptor, IC₅₀: 1.01 mM
DA 4626		H₂ Receptor
H3R antagonist 5	H₁ Receptor, IC₅₀: >10 μM	H₂ Receptor, IC₅₀: >10 μM	H₃ receptor, IC₅₀: 0.54 nM	H₄ receptor, IC₅₀: >10 μM
Carcinine	H₁ Receptor, Ki: 3621.2 μM	H₂ Receptor, Ki: 365.3 μM	H₃ receptor, Ki: 0.2939 μM
Fenspiride	H₁ Receptor
Clobenpropit			H₃ receptor
Atiprosine	H₁ Receptor, pA2: 7.32
Efletirizine	H₁ Receptor
Chloropyramine	H₁ Receptor
Bamipine	H₁ Receptor
A-423579			human H₃ receptor, pkB: 8.09 human H₃ receptor, pEC₅₀: 7.71 human H₃ receptor, pKi: 8.68 rat H₃ receptor, pKi: 8.27
LINS05414			H₃ receptor
BP 2-94			H₃ receptor
H1R ligand-1	Human H₁ Receptor
Doxylamine	H₁ Receptor
Linetastine					Histamine Receptor
Cetirizine-d₈ dihydrochloride	H₁ Receptor					99.64%
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
Hydroxyzine-d₈	H₁ Receptor					99.0%
Roxatidine acetate		H₂ Receptor
Lavoltidine		H₂ Receptor
Platelet aggregation-IN-3		H₂ Receptor			Histamine Receptor
Chlorpheniramine-d₄ maleate	H₁ Receptor
Alimemazine	H₁ Receptor
H3R antagonist 7			H₃ receptor, Ki: 3.15 nM
AY 29315		H₂ Receptor
Doxylamine succinate (Standard)	H₁ Receptor
Hydroxyzine-d₄ dihydrochloride	H₁ Receptor
Famotidine-¹³C,d₃		H₂ Receptor
NO-794		H₂ Receptor
BMY-25271		H₂ Receptor
Epinastine-¹³C,d₃ hydrobromide	H₁ Receptor
(-)-Brompheniramine	H₁ Receptor					99.67%
Tripelennamine	H₁ Receptor
Zolantidine		H₂ Receptor
FUB 349			human H₃ receptor, Ki: 2.1 nM rat H₃ receptor, Ki: 12 nM
GR-175737			H₃ receptor, EC₅₀: 7.8 nM
Bavisant dihydrochloride			H₃ receptor
Arpromidine	H₁ Receptor	H₂ Receptor
Fenspiride-d₅ hydrochloride	H₁ Receptor
Ranitidine-d₆ hydrochloride		H₂ Receptor
A-317920			rat H₃ receptor, pKi: 9.2 human H₃ receptor, pKi: 7.0
Osutidine		H₂ Receptor
Terfenadine-d₃	H₁ Receptor
Bilastine-d₆	H₁ Receptor
VUF 10214				H₄ receptor, pKi: 8.25
VUF 5681 dihydrobromide			H₃ receptor
UR-PI376				Human H₄ Receptor, pEC₅₀: 7.47
Gizzerosine		H₂ Receptor
HSR-609	H₁ Receptor
Cetirizine Impurity D	H₁ Receptor
Mianserin-d₃ (hydrochloride)	H₁ Receptor
BL-1020 mesylate					Histamine Receptor, Ki: 0.47 nM
GSK334429			H₃ Receptor, pKi: 9.49
Impromidine		H₂ Receptor

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