Sigma-Aldrich™ Methyl Nonadecanoate Analytical Standard, ≥98% GC

Methyl Nonadecanoate (Nonadecanoic acid methyl ester) is a high-purity fatty acid methyl ester (FAME) analytical standard widely used as an internal standard in gas chromatography (GC) and HPLC-based lipid analysis.

With a purity of ≥98% (GC), this long-chain saturated ester (C19:0) is ideal for quantitative fatty acid profiling, providing accurate normalization and correction of analytical variability in complex biological, food, and environmental samples.

Key Features & Benefits

1. Reliable Internal Standard for Lipid Analysis

• Commonly used as a C19 FAME internal standard
• Enables accurate quantification of fatty acids
• Improves reproducibility across analytical runs

2. High Purity & Analytical Grade

• ≥98% purity (GC) ensures reliable results
• Suitable for regulated and research laboratories

3. Compatible with GC & HPLC Techniques

• Ideal for:
  • GC-FID and GC-MS lipid profiling
  • HPLC (including silver-ion chromatography)
• Provides consistent retention time reference

4. Versatile Research Applications

• Supports:
  • Lipidomics and fatty acid analysis
  • Food and nutritional studies
  • Biodiesel composition analysis
  • Antioxidant and metabolic research

5. Stable Long-Chain FAME

• Chemically stable saturated fatty acid ester
• Suitable for routine and high-precision analytical workflows

Applications

• Internal standard for fatty acid methyl ester (FAME) analysis
• Lipid profiling in food, biological, and environmental samples
• Calibration and validation of GC/HPLC methods
• Triacylglycerol separation studies (HPLC silver-ion mode)
• Antioxidant mechanism studies using GC-based techniques

Technical Specifications

Ordering Information

Analytical Role & Significance

Methyl nonadecanoate is widely used as an internal standard because:

• It is not commonly present in natural samples, avoiding interference
• Provides a stable reference for quantitative correction
• Enables accurate determination of fatty acid concentrations

It is especially valuable in:

• FAME GC analysis workflows
• Lipid quantification and normalization
• Quality control in food and biodiesel testing

Unique Advantages

• Ideal C19 internal standard for fatty acid analysis
• High purity ensures precision and reproducibility
• Compatible with multiple chromatographic techniques
• Reliable for routine and advanced lipid studies
• Trusted quality from Sigma-Aldrich

Sigma-Aldrich™ Methyl Nonadecanoate is a critical analytical standard for lipid research, providing a dependable internal reference for accurate fatty acid quantification. Its high purity, stability, and broad compatibility make it an essential reagent for laboratories performing FAME analysis, food testing, and biochemical research.