Date published: 2026-5-9

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EP3 Inhibitors

EP3 inhibitors constitute a class of compounds designed to directly or indirectly impede the signaling of the EP3 receptor. Direct antagonists such as ONO-AE3-240, L-798,106, and sc-51089 competitively bind to the EP3 receptor, stopping the interaction with endogenous ligands. This interference inhibits downstream signaling, as the activation of the EP3 receptor is crucial for the initiation of specific cellular responses. Compounds like sulprostone, although primarily known as EP3 agonists, can act as inverse agonists at higher concentrations, negatively modulating EP3 signaling and leading to receptor inhibition. Additionally, selective antagonists like TCS 2510, AH23848, and sc-19220 interfere with EP3 activation, disrupting downstream pathways and cellular responses induced by EP3, ultimately resulting in inhibition. Indirect inhibitors, such as 17-ODYA, target EP3 by influencing arachidonic acid metabolism, a pathway crucial for the synthesis of prostaglandins, the endogenous ligands for EP3. By inhibiting prostaglandin synthesis, 17-ODYA reduces EP3 activation, leading to downstream inhibition. Collectively, EP3 inhibitors showcase the diverse strategies employed to modulate EP3 receptor signaling. These compounds serve as valuable tools for researchers aiming to elucidate the intricate pathways associated with EP3, paving the way for a deeper understanding of cellular responses influenced by EP3 activation and inhibition.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

L-798,106

244101-02-8sc-204047
sc-204047A
5 mg
25 mg
$105.00
$417.00
16
(1)

L-798,106 is a selective agonist for the EP3 receptor, distinguished by its unique structural conformation that promotes specific ligand-receptor interactions. This compound exhibits a high degree of selectivity due to its ability to stabilize particular receptor conformations, influencing downstream signaling cascades. Its kinetic profile reveals rapid binding and dissociation rates, which are critical for modulating receptor activity. Furthermore, L-798,106's solubility characteristics enhance its bioavailability, facilitating effective engagement with target pathways.

AH-6809

33458-93-4sc-201342
sc-201342A
5 mg
25 mg
$71.00
$288.00
2
(1)

AH-6809 is a selective antagonist of the EP3 receptor, characterized by its unique ability to disrupt specific receptor-ligand interactions. This compound exhibits a distinct binding affinity that alters receptor conformation, effectively inhibiting downstream signaling pathways. Its reaction kinetics demonstrate a slower dissociation rate, allowing for prolonged receptor occupancy. Additionally, AH-6809's physicochemical properties contribute to its stability in various environments, influencing its interaction dynamics within biological systems.

SC51089

146033-02-5sc-201344
sc-201344A
5 mg
25 mg
$60.00
$316.00
(0)

SC51089 is a selective EP3 receptor antagonist that showcases a unique mechanism of action through its specific molecular interactions. It engages in competitive binding, effectively modulating receptor activity and influencing downstream signaling cascades. The compound exhibits notable stability, which enhances its interaction profile and prolongs its effects. Its distinct kinetic properties allow for a tailored response in receptor modulation, making it a significant player in receptor dynamics.

8-Chloro-dibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid 2-[3-[(2-furanylmethyl)thio]-1-oxopropyl]hydrazide

146032-79-3sc-205848
sc-205848A
5 mg
25 mg
$77.00
$312.00
(0)

8-Chloro-dibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid 2-[3-[(2-furanylmethyl)thio]-1-oxopropyl]hydrazide demonstrates intriguing reactivity as an acid halide, characterized by its ability to form stable intermediates through nucleophilic acyl substitution. The compound's unique structural features facilitate selective interactions with various nucleophiles, leading to diverse reaction pathways. Its distinct electronic properties enhance electrophilicity, promoting efficient reaction kinetics and enabling the formation of complex derivatives.

Sulprostone

60325-46-4sc-201348
sc-201348A
1 mg
5 mg
$224.00
$774.00
8
(1)

An agonist for EP3 receptor, but in high concentrations, acts as an inverse agonist, leading to receptor inhibition. Sulprostone, in elevated doses, negatively modulates EP3 signaling, resulting in inhibition of EP3-mediated effects.

TCS 2510

346673-06-1sc-361377
1 mg
$217.00
2
(0)

An EP3 receptor antagonist affecting EP3-mediated pathways. TCS 2510 inhibits EP3 activation, disrupting downstream signaling and cellular responses induced by EP3, ultimately leading to inhibition.

17-ODYA (17-Octadecynoic acid)

34450-18-5sc-200488
sc-200488C
sc-200488A
sc-200488B
1 mg
5 mg
10 mg
100 mg
$43.00
$135.00
$218.00
$1496.00
9
(1)

Indirect EP3 inhibitor influencing arachidonic acid metabolism. 17-ODYA inhibits the synthesis of prostaglandins, the endogenous ligands for EP3, thereby reducing EP3 activation and inhibiting downstream signaling.

SC 19220

19395-87-0sc-203450B
sc-203450C
sc-203450
sc-203450A
1 mg
5 mg
10 mg
50 mg
$22.00
$106.00
$188.00
$813.00
2
(0)

A selective EP3 receptor antagonist inhibiting EP3 signaling. SC-19220 competes with endogenous ligands for the EP3 receptor, preventing receptor activation and downstream signaling, resulting in EP3 inhibition.