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Sigma-Aldrich™ Methyl Nonadecanoate Analytical Standard, ≥98% GC
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C19 Fatty Acid Methyl Ester | Internal Standard for Lipid Analysis
Specifications:
| Application | Analytical Chemistry, chromatography | ||
| Storage Temperature | -20°C | ||
| Product Type | Standards | Forms | Powder |
| Product Brand | Sigma-Aldrich | ||
| Product Grade | Analytical grade | Formula | C₂₀H₄₀O₂ |
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
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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
| Parameter | Specification |
|---|---|
| Product Name | Methyl Nonadecanoate |
| Synonym | Nonadecanoic Acid Methyl Ester |
| Molecular Formula | C₂₀H₄₀O₂ |
| Molecular Weight | 312.53 g/mol |
| CAS Number | 1731-94-8 |
| Purity | ≥98.0% (GC) |
| Form | Neat (liquid/solid depending on temperature) |
| Melting Point | 37–41°C |
| Functional Group | Ester |
| Technique Compatibility | GC, GC-MS, HPLC |
| Storage Temperature | -20°C |
| Shipping | Dry ice |
Ordering Information
| Pack Size | SKU |
|---|---|
| 1 g | 74208-1G |
| 5 g | 74208-5G |
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.
- Pack Size: 1 g 5 g