Citrulline malate: amino acid salt (L-citrulline with malic acid).
Citrulline malate testing at Vanguard Laboratory: identity, purity and quantity $250 per sample, with results in 3 to 5 business days.
Citrulline malate: 2D structure drawn from the PubChem record (CID 162762).
70796-17-7
C10H19N3O8
309.27 g/mol (monoisotopic 309.12)
amino acid salt (L-citrulline with malic acid)
IUPAC name: (2S)-2-amino-5-(carbamoylamino)pentanoic acid;2-hydroxybutanedioic acid
Formula and CAS shown for the 1:1 form.
Identity, purity and quantity are measured by a chromatographic assay, with detection selected for the compound, against a reference standard, $250 per sample with results in 3 to 5 business days. Finished products use the same approach, with sample preparation matched to the product.
$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.
Both are sold. Tell us the ratio on the label, and citrulline and malic acid can each be reported.
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.
