Description

Hexadecanoic-D31 Acid is a deuterium-labeled isotopologue of palmitic acid, where 31 hydrogen atoms are replaced by deuterium. This high isotopic purity makes it an essential internal standard and tracer in quantitative mass spectrometry and nuclear magnetic resonance (NMR) spectroscopy. It is critical for researchers and quality control laboratories in the pharmaceutical, metabolic research, and analytical chemistry sectors who require precise quantification and metabolic pathway tracing.

Application

• Quantitative Analytical Standard: Serves as a stable isotope-labeled internal standard for the accurate GC-MS or LC-MS quantification of palmitic acid and related lipids in complex biological matrices.
• Metabolic Research & Tracer Studies: Used to investigate lipid metabolism, β-oxidation pathways, and fatty acid synthesis in cell cultures, animal models, and clinical research.
• Pharmaceutical Development: Employed in pharmacokinetic (PK) and bioavailability studies of lipid-based drug formulations to track absorption and distribution.
• NMR Spectroscopy: Provides a non-radioactive tracer for mechanistic studies and structural analysis due to the distinct spectroscopic signature of deuterium.
• Food & Nutritional Science: Applied in research on fat digestion, absorption, and the metabolic fate of dietary fats.
• Environmental & Geochemical Analysis: Acts as a tracer in studies of organic matter degradation and biomarker analysis.

Basic Information

Product Name	Hexadecanoic-D31 Acid
CAS No.	39756-30-4
Molecular Formula	C16D31O2 or C16HDO2
Molecular Weight	287.51 g/mol
Synonyms	Palmitic Acid-d31; Hexadecanoic-d31 Acid; Deuterated Palmitic Acid; [D31]-Palmitic Acid; n-Hexadecanoic-d31 Acid; C16:0-d31; Perdeuterated Palmitic Acid; Palmitic-1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16-d31 Acid
EINECS	Contact for details

Quality Control

Every batch of Hexadecanoic-D31 Acid is manufactured and analyzed under strict quality management protocols. We guarantee high chemical and isotopic purity, supported by comprehensive analytical data including NMR and mass spectrometry. A Certificate of Analysis (COA) detailing purity, isotopic enrichment, and solvent residue levels is provided with each shipment to ensure traceability and compliance with your research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability and purity. For long-term storage, consider sealing under an inert atmosphere such as argon or nitrogen.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Chemical Purity)
Isotopic Enrichment	≥ 98 atom % D
Deuterium Distribution	D31 (Perdeuterated)
Melting Point	61 - 64 °C
Residual Solvent (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.