Tongkat ali: Eurycoma longifolia root.
Tongkat ali testing at Vanguard Laboratory: identity, purity and quantity $250 per sample, with results in 3 to 5 business days.
Marker compound: 2D structure drawn from the PubChem record (CID 13936691).
Eurycoma longifolia root
eurycomanone and related quassinoids
total or named markers, as your specification states
botanical ingredient
Marker compounds: eurycomanone and related quassinoids.
Tongkat ali is extracted and its marker compounds separated by reversed-phase HPLC with UV detection, with LC-MS identity of the markers where needed. Marker compounds are measured against reference standards, $250 per sample with results in 3 to 5 business days. Tell us the basis your specification uses: a total, named markers or a single compound.
$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.
Usually eurycomanone, measured by HPLC against a reference standard and reported as % w/w.
Yes. Capsules, powders, gummies and liquids are measured with sample preparation matched to the product, and reported in mg per serving or % w/w against the label.
Send the product name, the form of the ingredient and the label claim for a quote, or submit a sample with the sample form.
