Date published: 2025-12-8

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Carnitine Acetyltransferase Inhibitors

Carnitine acetyltransferase inhibitors represent a class of chemical compounds designed to modulate the activity of the enzyme carnitine acetyltransferase (CAT). This enzyme plays a pivotal role in the regulation of fatty acid metabolism within the mitochondria, primarily by facilitating the transport of acyl groups, found in long-chain fatty acids, into the mitochondrial matrix for subsequent β-oxidation. In essence, carnitine acetyltransferase acts as a molecular gatekeeper, mediating the crucial step of transferring acyl groups from coenzyme A (CoA) to carnitine, allowing their translocation across the inner mitochondrial membrane. Consequently, the inhibition of this enzyme can have profound effects on cellular energy homeostasis, particularly in tissues with high metabolic demands, such as the heart and skeletal muscle.Carnitine acetyltransferase inhibitors typically act by interfering with the enzymatic activity of CAT, impeding the transfer of acyl groups from CoA to carnitine. This inhibition can lead to a reduction in the transport of long-chain acyl-CoA molecules into the mitochondrial matrix, resulting in a shift in cellular energy metabolism. By inhibiting this key step in fatty acid oxidation, these compounds can alter the balance between glucose and fatty acid utilization, potentially promoting glycolysis and glucose oxidation over fatty acid catabolism. This alteration in metabolic flux can have implications for energy production, particularly in situations where the demand for ATP is high, such as during physical exertion or in ischemic conditions. Consequently, the study and development of carnitine acetyltransferase inhibitors contribute to our understanding of the intricate regulatory mechanisms governing cellular energy metabolism.

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

rac- Etomoxir

82258-36-4sc-208284
20 mg
$580.00
1
(0)

Rac-Etomoxir acts as a potent inhibitor of carnitine acetyltransferase, disrupting fatty acid metabolism by modulating substrate binding dynamics. Its unique structure allows for specific interactions with the enzyme's active site, leading to altered reaction kinetics. The compound's hydrophobic regions facilitate enhanced binding affinity, while its stereochemistry influences the orientation of substrate molecules, ultimately affecting metabolic pathways and energy production.

(R)-Amino Carnitine

98063-21-9sc-208234
5 mg
$316.00
(0)

(R)-Amino Carnitine serves as a substrate for carnitine acetyltransferase, participating in the transfer of acyl groups within metabolic pathways. Its chiral configuration enhances specificity in enzyme interactions, promoting efficient substrate conversion. The compound's unique functional groups facilitate hydrogen bonding and electrostatic interactions, optimizing binding affinity. Additionally, its role in modulating the enzyme's conformational dynamics influences reaction rates, impacting overall metabolic efficiency.

(+)-Etomoxir sodium salt

828934-41-4sc-215009
sc-215009A
5 mg
25 mg
$148.00
$496.00
3
(2)

Inhibits carnitine palmitoyltransferase 1 (CPT1), blocking fatty acid entry into mitochondria for β-oxidation.

2-Bromooctadecanoic acid

142-94-9sc-256100
sc-256100A
1 g
2 g
$129.00
$200.00
(0)

2-Bromooctadecanoic acid acts as an inhibitor of carnitine acetyltransferase, disrupting acyl group transfer in metabolic processes. The presence of the bromine atom introduces steric hindrance, altering enzyme-substrate interactions and potentially affecting reaction kinetics. Its long hydrocarbon chain enhances hydrophobic interactions, influencing membrane permeability and enzyme accessibility. This compound's unique structure can modulate enzyme activity, impacting metabolic flux in lipid metabolism pathways.

rac Perhexiline Maleate

6724-53-4sc-460183
10 mg
$184.00
(0)

Inhibits CPT1, reducing mitochondrial fatty acid uptake and promoting glucose utilization.

(S)-Amino Carnitine

125377-87-9sc-391837
2.5 mg
$430.00
(0)

(S)-Amino Carnitine serves as a substrate for carnitine acetyltransferase, facilitating the transfer of acetyl groups in metabolic pathways. Its chiral amino group enhances specificity in enzyme interactions, promoting efficient substrate binding. The compound's unique stereochemistry influences the orientation of acyl group transfer, potentially affecting reaction rates. Additionally, its polar characteristics may enhance solubility in biological systems, impacting cellular uptake and distribution.

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

5011-34-7sc-297236
500 mg
$367.00
(0)

Shifts energy metabolism from fatty acid oxidation to glucose oxidation by inhibiting CPT1.

Ranolazine

95635-55-5sc-212769
1 g
$107.00
3
(1)

Reduces fatty acid oxidation by inhibiting CPT1, improving myocardial oxygen utilization.

Ivabradine Hydrochloride

148849-67-6sc-211682
10 mg
$250.00
2
(1)

Slows heart rate by inhibiting the funny current (If) in the sinoatrial node, indirectly affecting fatty acid oxidation.

Meldonium

76144-81-5sc-207887
100 mg
$252.00
1
(1)

May inhibit CPT1 and modulate fatty acid oxidation, potentially enhancing glucose utilization.