Stearic Acid-1-13C (CAS 85541-42-0)

Stearic Acid-1-13C, identified by its CAS number 85541-42-0, is a carbon-13 isotope-labelled version of stearic acid, a saturated long-chain fatty acid that is naturally found in various animal and plant fats. The incorporation of the carbon-13 isotope at the first carbon of the stearic acid molecule makes this compound particularly useful in various research applications, especially those involving metabolic tracing and molecular structure studies. When used in metabolic studies, Stearic Acid-1-13C can be tracked through different biochemical pathways to observe how stearic acid is metabolized by the body at a cellular level. This isotope labeling allows researchers to use mass spectrometry or nuclear magnetic resonance (NMR) spectroscopy to detect the incorporation and transformation of this molecule in biological systems, providing insights into lipid metabolism and its interactions with other cellular components. Furthermore, in structural biology, this labeled version of stearic acid can aid in the elucidation of the positioning and orientation of stearic acid in complex lipid structures or interactions with proteins, which is crucial for understanding the biophysical properties of membranes and lipid-protein assemblies in cells. Thus, Stearic Acid-1-13C offers a valuable tool for researchers in fields such as biochemistry, molecular biology, and biophysics, contributing significantly to the fundamental understanding of lipid dynamics and functions in various biological systems.