Omega-3-acid ethyl esters: fatty acid ethyl esters (fish oil concentrate).
Omega-3-acid ethyl esters testing at Vanguard Laboratory: identity, purity and quantity $250 per sample, with results in 3 to 5 business days.
Omega-3-acid ethyl esters: 2D structure drawn from the PubChem record (CID 9831415).
86227-47-6
C22H34O2
330.51 g/mol
Fatty acid ethyl esters (fish oil concentrate)
Identity: EPA ethyl ester (main component)
Marker compounds: EPA ethyl ester (CAS 86227-47-6), DHA ethyl ester (CAS 81926-94-5)
IUPAC name: ethyl (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate
Method for the $250 identity, purity and quantity test: Chromatographic assay, with detection selected for the compound, against a reference standard, with results in 3 to 5 business days.
The USP monograph covers identity by chromatographic retention time, assay of EPA, DHA and total omega-3 ethyl esters by chromatography, cholesterol by chromatography, oligomers by size-exclusion chromatography, dioxins, furans and PCBs, trace metals, UV absorbance, and acid, anisidine and peroxide values. Full testing to the USP Omega-3-Acid Ethyl Esters monograph is available and quoted.
$250
Chromatographic purity and mg per unit by the method matched to the compound, identity against a reference standard. 1 unit.
| Add-on test | Price |
|---|---|
| Identity and impurities | |
| FTIR identity | $90 |
| CHNS elemental analysis (carbon, hydrogen, nitrogen, sulfur) | $125 |
| Chiral purity (where a chiral method exists; new methods quoted) | $250 |
| Water, solvents and salt form | |
| Water content by Karl Fischer | $60 |
| Residual solvents | $150 |
| Counterions: chloride, acetate and TFA | $70 |
| Assay | |
| Assay, % w/w (with raw powder purity; $250 together) | +$50 |
| Metals and conformity | |
| Heavy metals: arsenic, cadmium, chromium, mercury and lead | $150 |
| Conformity: purity and quantity on more units from the same lot | $100 per extra unit |
10% off for 10 or more samples.
Need something else? Other tests are available on request.
Purity and quantity is $250 per sample (1 unit) and raw powder purity is $200 for 50 mg, with results in 3 to 5 business days. Send the material sealed and labeled, with the label claim and the form it contains.
No. The $250 test covers identity, purity and quantity by a chromatographic assay, with detection selected for the compound. Full testing to the USP Omega-3-Acid Ethyl Esters monograph is available and quoted.
Fatty acid esters have little UV absorbance, so the lab uses a detection method suited to the compound. The test separates the individual fatty acids by chain length and number of double bonds.
No. Ethyl ester concentrates and triglyceride oils are different chemical forms. Triglyceride oils are converted to methyl esters before testing, so the form on the label decides the sample preparation.
Omega-3 oils oxidize readily. Peroxide and anisidine values measure that oxidation and are separate from the EPA and DHA assay.
https://pubchem.ncbi.nlm.nih.gov/compound/9831415
Identity facts from the USP monograph header for this compound.
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