Description

Octadecanoic-4,4-D2 Acid is a deuterium-labeled analog of stearic acid, a fundamental saturated fatty acid. This isotopically modified compound is essential for advanced research and analytical applications where precise molecular tracking is required. It is primarily utilized by scientists and manufacturers in the pharmaceutical, biochemical, and material science industries for use as an internal standard, tracer, or building block in specialized syntheses.

Application

• Mass Spectrometry Internal Standard: Used for the accurate quantification of stearic acid and related lipids in complex biological matrices via GC-MS or LC-MS.
• Metabolic Pathway Tracing: Serves as a stable isotope tracer in biochemical and nutritional studies to elucidate lipid metabolism and absorption.
• Pharmaceutical Research: Employed in the development and pharmacokinetic studies of lipid-based drug formulations and prodrugs.
• Deuterated Material Synthesis: Acts as a key precursor or intermediate for synthesizing more complex deuterium-labeled compounds for NMR spectroscopy and other analytical techniques.
• Quality Control & Reference Standard: Provides a certified reference material for calibrating analytical instruments and validating methods in quality control laboratories.

Basic Information

Product Name	Octadecanoic-4,4-D2 Acid
CAS No.	62690-13-5
Molecular Formula	C18H34D2O2
Molecular Weight	286.48 g/mol (approx.)
Synonyms	Stearic-4,4-d2 Acid; Octadecanoic-d2 Acid; Deuterated Stearic Acid; 4,4-Dideuteriostearic Acid; 4,4-Dideuterooctadecanoic Acid; (4,4-2H2)Stearic Acid; 4,4-D2-Stearic Acid; 4,4-Dideuterated Octadecanoic Acid
EINECS	Contact for details

Quality Control

Our Octadecanoic-4,4-D2 Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR and mass spectrometry, to confirm isotopic enrichment, chemical purity, and identity. A detailed Certificate of Analysis (COA) is provided with every shipment, ensuring traceability and compliance with your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Enrichment (NMR/MS)	≥ 98 atom % D
Water Content (KF)	≤ 0.5%
Melting Point	67 - 71 °C

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