Description

Stearic Acid-1,2-13C2 is a stable isotope-labeled analog of stearic acid, a fundamental saturated fatty acid. This compound is specifically enriched with carbon-13 at the first and second positions, making it an essential internal standard and tracer for advanced metabolic and lipidomic research. It is primarily utilized by analytical chemists and researchers in pharmaceutical development, nutritional science, and biochemistry who require precise quantification and pathway analysis. The product ensures high isotopic purity and chemical stability for reliable experimental results.

Application

• Internal Standard for Mass Spectrometry (MS): Used for the accurate quantification of stearic acid and related lipids in complex biological matrices via GC-MS or LC-MS.
• Metabolic Pathway Tracing: Enables the study of fatty acid metabolism, β-oxidation, and lipid biosynthesis in in vitro and in vivo systems.
• Pharmaceutical Research: Serves as a critical tool in drug metabolism and pharmacokinetics (DMPK) studies for lipid-based drug formulations.
• Nutritional Science Studies: Investigates fat absorption, digestion, and energy metabolism in clinical and preclinical research.
• Biochemical Research: Aids in enzymatic studies and the elucidation of lipid-related biochemical pathways.
• Quality Control Reference Material: Acts as a certified reference material in analytical laboratories to ensure method accuracy and compliance.

Basic Information

Product Name	Stearic Acid-1,2-13C2
CAS No.	287100-86-1
Molecular Formula	C18H36O2 (with 13C at positions 1 & 2)
Molecular Weight	~286.5 g/mol (Contact for exact value)
Synonyms	Octadecanoic-1,2-13C2 Acid; 1,2-13C2-Stearic Acid; [1,2-13C2]Octadecanoic Acid; Isotopically Labeled Stearic Acid; 13C Labeled Stearic Acid; Fatty Acid 18:0-1,2-13C2; n-Octadecanoic-1,2-13C2 Acid
EINECS	Contact for details

Quality Control

Every batch of our Stearic Acid-1,2-13C2 is produced and analyzed under strict quality management protocols to ensure exceptional isotopic and chemical purity. We provide comprehensive Certificates of Analysis (COA) that detail parameters including isotopic enrichment (atom % 13C), chemical purity (by HPLC), and identity confirmation (by IR and MS). Our quality system is designed to meet the rigorous standards required for research and analytical applications, ensuring reliable and reproducible performance in your laboratory.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent absorption of atmospheric moisture, which could affect stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Isotopic Enrichment (atom % 13C)	≥ 99% at positions 1 & 2
Chemical Purity (HPLC)	≥ 98%
Melting Point	67 - 71 °C

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