Date published: 2026-5-2

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CPTII Inhibitors

CPTII inhibitors belong to a specific chemical class known for their interactions with an essential enzyme called carnitine palmitoyltransferase II (CPTII). This enzyme plays a crucial role in fatty acid metabolism within the mitochondria, where it facilitates the transportation of long-chain fatty acids for energy production. By inhibiting CPTII, these compounds disrupt the transfer of fatty acids into the mitochondria, leading to an accumulation of fatty acyl-carnitine derivatives. Consequently, this metabolic interference can impact cellular energy production and disrupt various physiological processes that rely on efficient fatty acid utilization.

The mechanism of action of CPTII inhibitors involves their binding to the active site of the CPTII enzyme, which stops the normal transport of fatty acids across the mitochondrial membrane. As a result, the mitochondria may experience an altered energy balance, and cells may attempt to compensate for the reduced fatty acid metabolism through alternative metabolic pathways. Researchers have extensively studied CPTII inhibitors to gain insights into the fundamental biochemical processes involved in fatty acid metabolism. Understanding these inhibitors' mechanisms of action can provide valuable information about the intricate regulation of lipid metabolism and mitochondrial function. However, it is essential to acknowledge that the research surrounding CPTII inhibitors is ongoing, and their full implications and potential applications.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

rac Perhexiline Maleate

6724-53-4sc-460183
10 mg
$188.00
(0)

Perhexiline inhibits CPTII by directly blocking the enzyme's ability to transport long-chain fatty acids into the mitochondria, effectively reducing fatty acid oxidation by limiting substrate availability.

R-(+)-Etomoxir

124083-20-1sc-208201A
sc-208201
2 mg
5 mg
$245.00
$430.00
(0)

R-(+)-Etomoxir binds irreversibly to CPTII, specifically targeting the enzyme's active site. This action prevents the translocation of long-chain fatty acids into mitochondria, halting their oxidation.

Ranolazine

95635-55-5sc-212769
1 g
$109.00
3
(1)

Ranolazine's mechanism of CPTII inhibition is indirect; it affects metabolic pathways that reduce the substrate flow towards fatty acid oxidation, thereby decreasing CPTII activity without directly binding to the enzyme.

1-(2,3,4-Trimethoxybenzyl)piperazine

5011-34-7sc-297236
500 mg
$374.00
(0)

Also called Trimetazidine, this compound indirectly inhibits CPTII by favoring glucose oxidation over fatty acid oxidation. This shift in substrate utilization lowers the demand on CPTII for fatty acid transport into mitochondria.

C75 (racemic)

191282-48-1sc-202511
sc-202511A
sc-202511B
1 mg
5 mg
10 mg
$72.00
$206.00
$290.00
9
(1)

C75 directly inhibits CPTII, blocking the enzyme's role in fatty acid oxidation. This inhibition stems from C75's interference with the enzyme's ability to transport fatty acids into mitochondria.

4-Hydroxy-L-phenylglycine

32462-30-9sc-254680A
sc-254680
5 g
10 g
$82.00
$109.00
(0)

Also called Oxfenicine, this is a compound that inhibits CPTII by directly reducing the enzyme's capacity to facilitate the entry of long-chain fatty acids into the mitochondria, crucial for their oxidation.