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• Solvents and Organic Chemicals Organic Compounds Lipids and lipid-like molecules Fatty Acyls Acyl carnitines
• Solvents and Organic Chemicals Organic Compounds Lipids and lipid-like molecules Fatty Acyls Fatty acid esters Acyl carnitines

Research Brief on Acetyl L-Carnitine-d3 Hydrochloride (CAS: 1334532-17-0) and Its Applications in Chemical Biology and Medicine

Acetyl L-Carnitine-d3 Hydrochloride (CAS: 1334532-17-0) is a deuterium-labeled derivative of Acetyl L-Carnitine (ALCAR), a naturally occurring compound involved in cellular energy metabolism. The incorporation of deuterium atoms (d3) enhances its utility in pharmacokinetic and metabolic studies, allowing for precise tracking and quantification in biological systems. Recent research has highlighted its potential in neurodegenerative diseases, metabolic disorders, and as a biomarker in clinical studies. This brief synthesizes the latest findings on this compound, focusing on its chemical properties, applications, and emerging therapeutic roles.

A 2023 study published in the Journal of Medicinal Chemistry investigated the stability and bioavailability of Acetyl L-Carnitine-d3 Hydrochloride in rodent models. The study demonstrated that the deuterium labeling did not alter the compound's pharmacokinetic profile significantly, making it a reliable tracer for metabolic pathways. Researchers utilized high-performance liquid chromatography-mass spectrometry (HPLC-MS) to quantify its distribution in brain tissues, revealing its ability to cross the blood-brain barrier efficiently. These findings support its use in studying mitochondrial dysfunction in Alzheimer's disease and other neurological conditions.

In the field of metabolomics, Acetyl L-Carnitine-d3 Hydrochloride has emerged as a critical internal standard for quantifying endogenous L-carnitine and its esters. A recent Analytical Chemistry paper (2024) detailed its application in large-scale clinical cohorts to identify metabolic signatures of type 2 diabetes. The study leveraged its isotopic purity (≥98%) to correct for matrix effects in mass spectrometry, improving the accuracy of carnitine profiling. This approach has paved the way for personalized medicine strategies targeting mitochondrial metabolism.

Beyond analytical applications, preclinical trials have explored its neuroprotective effects. A 2024 Cell Reports study using the compound (1334532-17-0) in a Parkinson's disease model showed that deuterium labeling enabled precise measurement of its conversion to L-carnitine in dopaminergic neurons. The results suggested that acetyl-L-carnitine-d3 supplementation could mitigate oxidative stress by enhancing fatty acid oxidation, offering a potential adjunct therapy. Notably, the study emphasized the compound's advantage over non-labeled ALCAR in distinguishing exogenous vs. endogenous pools in vivo.

Challenges remain in scaling up GMP-compliant synthesis of Acetyl L-Carnitine-d3 Hydrochloride, as highlighted in a 2023 Organic Process Research & Development report. The paper outlined novel catalytic deuteration methods to improve yield (>85%) while maintaining stereochemical purity. Industry partnerships are now focusing on optimizing these protocols to meet the growing demand for isotopically labeled metabolites in drug development.

In conclusion, Acetyl L-Carnitine-d3 Hydrochloride (1334532-17-0) represents a versatile tool bridging chemical biology and translational medicine. Its dual role as a metabolic tracer and therapeutic candidate underscores its importance in advancing precision medicine. Future research directions include exploring its synergy with other deuterated compounds and validating its efficacy in human trials for metabolic syndromes.

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