Date published: 2025-12-19

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OCTN1 Inhibitors

OCTN1 inhibitors encompass a range of compounds, primarily characterized by their ability to interact with the transporter's substrate-binding sites. OCTN1, functioning as a transporter in the solute carrier family, plays a crucial role in the cellular uptake and distribution of various organic cations, including drugs and endogenous compounds. The inhibition of OCTN1 can lead to altered pharmacokinetics and dynamics of its substrates, impacting their efficacy and toxicity profiles. The inhibitors listed above, such as Quinidine, Verapamil, and Metformin, exhibit their inhibitory action mainly through competitive inhibition. This means they compete with natural substrates of OCTN1 for the binding sites, thereby modulating the transporter's activity. The interaction with OCTN1 can influence the absorption, distribution, and excretion of various drugs, making these inhibitors particularly significant in pharmacological contexts.

Items 1 to 10 of 12 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Quinidine

56-54-2sc-212614
10 g
$102.00
3
(1)

Quinidine, a stereoisomer of quinine, is known to inhibit OCTN1. It acts by competing for the transport sites, reducing the uptake of other substrates.

Verapamil

52-53-9sc-507373
1 g
$367.00
(0)

Verapamil, a calcium channel blocker, has been shown to inhibit OCTN1-mediated transport, likely by competing for binding sites.

Mepyramine maleate

59-33-6sc-203629
sc-203629A
100 mg
1 g
$65.00
$220.00
1
(1)

Pyrilamine, an antihistamine, can inhibit OCTN1. It likely interferes with the transporters ability to bind and translocate its natural substrates.

Corticosterone

50-22-6sc-300391
sc-300391A
100 mg
500 mg
$57.00
$108.00
2
(2)

Corticosterone is known to inhibit OCTN1. It may compete with other substrates for binding, thus reducing the transport efficiency of OCTN1.

Metformin-d6, Hydrochloride

1185166-01-1sc-218701
sc-218701A
sc-218701B
1 mg
5 mg
10 mg
$286.00
$806.00
$1510.00
1
(1)

Metformin has been found to inhibit OCTN1, potentially by competitive inhibition at the substrate binding site.

Cimetidine

51481-61-9sc-202996
sc-202996A
5 g
10 g
$62.00
$86.00
1
(1)

Cimetidine, a histamine H2 receptor antagonist, can inhibit OCTN1 by competing for the cationic transport pathway.

Propranolol

525-66-6sc-507425
100 mg
$180.00
(0)

Propranolol, a beta-blocker, is capable of inhibiting OCTN1. Its interaction with OCTN1 can affect the disposition of other drugs.

Levofloxacin

100986-85-4sc-252953
sc-252953B
sc-252953A
10 mg
250 mg
1 g
$39.00
$45.00
$53.00
3
(1)

Levofloxacin, a fluoroquinolone antibiotic, has been reported to inhibit OCTN1, potentially affecting the pharmacokinetics of co-administered drugs.

Procainamide hydrochloride

614-39-1sc-202297
10 g
$52.00
(1)

Procainamide, an antiarrhythmic agent, inhibits OCTN1. It competes with other substrates, influencing the transport of organic cations.

Disopyramide

3737-09-5sc-207585
100 mg
$340.00
(1)

Disopyramide, another antiarrhythmic drug, has been shown to inhibit OCTN1, affecting the transporter′s function.