Date published: 2025-12-24

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OR13C4 Inhibitors

OR13C4 inhibitors encompass a variety of chemical compounds that act on different sensory pathways, indirectly leading to the inhibition of OR13C4's olfactory function. These inhibitors exert their effects by engaging with receptors and channels that are distinct from the olfactory G protein-coupled receptors like OR13C4, thereby altering the normal detection and signaling of odorants. Some inhibitors activate thermosensitive and pain-related transient receptor potential (TRP) channels, such as TRPM8 and TRPV1, leading to a competition for sensory signaling that can overshadow the olfactory cues detected by OR13C4. Others target ionotropic receptors that are involved in alternative olfactory signaling processes, thereby reducing OR13C4's sensitivity to its ligands through competitive binding or by dominating the sensory signaling landscape. Additionally, certain inhibitors interact with the olfactory epithelium, causing a disruption that can lead to anosmia or a general olfactory dysfunction. This dysfunction may decrease OR13C4 activity by altering the receptor's environment or directly affecting receptor sites, reducing OR13C4's ability to detect and respond to specific odorants. Furthermore, some inhibitors alter neurotransmitter release in the olfactory bulb, which can influence OR13C4 signaling by modulating the overall sensory input processing.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Icilin

36945-98-9sc-201557
sc-201557A
10 mg
50 mg
$89.00
$252.00
9
(1)

Activates transient receptor potential melastatin 8 (TRPM8) which is involved in menthol and cold-induced signaling, a mechanism distinct from olfactory reception, thereby potentially reducing the sensitivity of OR13C4 to its specific ligands.

Capsaicin

404-86-4sc-3577
sc-3577C
sc-3577D
sc-3577A
50 mg
250 mg
500 mg
1 g
$94.00
$173.00
$255.00
$423.00
26
(1)

Agonist of the transient receptor potential vanilloid 1 (TRPV1) channel, a receptor unrelated to olfactory signaling pathways, potentially diminishing the perception of odorants by OR13C4 by modulating sensory neuron activity.

Eugenol

97-53-0sc-203043
sc-203043A
sc-203043B
1 g
100 g
500 g
$31.00
$61.00
$214.00
2
(1)

Acts on the transient receptor potential cation channel, subfamily A, member 1 (TRPA1), which is implicated in sensory mechanisms independent of olfactory G protein-coupled receptors like OR13C4, potentially altering OR13C4 mediated olfaction.

Allyl isothiocyanate

57-06-7sc-252361
sc-252361A
sc-252361B
5 g
100 g
500 g
$43.00
$66.00
$117.00
3
(1)

Stimulates TRPA1 channels, potentially decreasing OR13C4 activity by providing an alternative olfactory stimulus that interferes with OR13C4's normal odorant detection and signal transduction mechanisms.

(±)-Menthol

89-78-1sc-250299
sc-250299A
100 g
250 g
$38.00
$67.00
(0)

A known agonist of TRPM8, which could potentially desensitize olfactory receptors such as OR13C4 by activating overlapping or adjacent sensory pathways, thus reducing OR13C4's sensitivity to its odorants.

Zinc

7440-66-6sc-213177
100 g
$47.00
(0)

Affects the olfactory epithelium and receptors such as OR13C4, potentially leading to reduced binding of OR13C4 to odorants through alteration of the olfactory receptor environment.

Copper(II) sulfate

7758-98-7sc-211133
sc-211133A
sc-211133B
100 g
500 g
1 kg
$45.00
$120.00
$185.00
3
(1)

Can cause olfactory dysfunction and might decrease OR13C4 activity by altering the olfactory epithelium or receptor sites, reducing the ability of OR13C4 to detect and respond to its specific odorants.

Dihydrocapsaicin

19408-84-5sc-202578
sc-202578A
10 mg
50 mg
$51.00
$153.00
1
(1)

Could lead to reduced OR13C4 activity by modulating sensory neuron activity and potentially decreasing the sensitivity of OR13C4 to odorant molecules.