Date published: 2026-4-1

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CLC-2 Inhibitors

CLCN2 Inhibitors refers to a collection of chemicals that can reduce or halt the activity of the CLCN2 chloride channel. The CLCN2 channel is a voltage-sensitive chloride channel associated with various physiological functions. The distinct compounds that fall within this category display a wide range of structures and origins, demonstrating the diverse chemical approaches available for modulating the activity of chloride channels. CLCN2 Inhibitors encompass a diverse set of chemicals specifically designed or identified for their ability to impede the activity of the CLCN2 chloride channel. This channel plays a pivotal role in various physiological processes, including the maintenance of cellular volume, transepithelial transport, and electrical excitability in muscle cells and neurons.

Among the listed inhibitors, 9-Anthracenecarboxylic acid serves as an illustrative example, as it can inhibit chloride channels, including CLCN2, by attenuating the current flow through the channels. Another notable compound, NPPB (5-Nitro-2-(3-phenylpropylamino) benzoic acid), is a broad-spectrum chloride channel blocker. Its ability to inhibit a range of chloride channels signifies the challenge in obtaining specificity in inhibitor design. DIDS, a commonly employed chloride channel inhibitor, further exemplifies the broad-reaching effects some of these compounds can exhibit. On the other hand, compounds like Clofibric acid and Niflumic acid, primarily recognized for different primary functions (lipid-lowering and anti-inflammatory, respectively), showcase the multifaceted nature of some molecules to act upon chloride channels as a secondary or off-target effect. Another intriguing example is T16Ainh-A01, which is more attuned to anoctamin-1 but can still influence other chloride channels, potentially including CLCN2. This highlights the subtle interplay and shared characteristics among various chloride channels and the challenges in crafting highly specific inhibitors.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

5-Nitro-2-(3-phenylpropylamino)benzoic Acid (NPPB)

107254-86-4sc-201542
sc-201542B
sc-201542A
10 mg
25 mg
50 mg
$109.00
$193.00
$317.00
7
(1)

A broad-spectrum chloride channel blocker that can inhibit CLCN2 among other chloride channels.

Clofibric acid

882-09-7sc-203000
sc-203000A
10 g
50 g
$24.00
$40.00
1
(1)

While primarily known as a lipid-lowering agent, it also shows inhibitory effects on chloride channels.

Niflumic acid

4394-00-7sc-204820
5 g
$32.00
3
(1)

A non-steroidal anti-inflammatory drug that also inhibits certain chloride channels, potentially including CLCN2.

Flufenamic acid

530-78-9sc-205699
sc-205699A
sc-205699B
sc-205699C
10 g
50 g
100 g
250 g
$27.00
$79.00
$154.00
$309.00
1
(1)

It is an NSAID but also known to inhibit chloride channels non-selectively.

Mefenamic acid

61-68-7sc-205380
sc-205380A
25 g
100 g
$106.00
$208.00
6
(0)

Another NSAID that has shown inhibitory effects on chloride channels.

Benzbromarone

3562-84-3sc-233934
sc-233934A
1 g
5 g
$53.00
$223.00
(1)

While used primarily as a uricosuric agent for gout, it has been reported to inhibit certain chloride channels.

KRIBB11

342639-96-7sc-507391
5 mg
$95.00
(0)

Known to block certain chloride channels; however, specificity for CLCN2 would need verification.

CFTR Inhibitor-172

307510-92-5sc-204680
sc-204680A
10 mg
50 mg
$168.00
$520.00
10
(1)

A specific CFTR chloride channel inhibitor but can potentially influence other chloride channels including CLCN2.