Arginine: amino acid.
Arginine testing at Vanguard Laboratory: identity, purity and quantity $250 per sample, with results in 3 to 5 business days.
Arginine: 2D structure drawn from the PubChem record (CID 6322).
74-79-3
C6H14N4O2
174.20 g/mol (monoisotopic 174.11)
amino acid
IUPAC name: (2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid
Other names: L-arginine
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.
A USP monograph exists for Arginine and Arginine Hydrochloride; testing to the USP monographs for Arginine and Arginine Hydrochloride 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.
Yes. Arginine is about 83% of arginine hydrochloride's weight, so tell us which form the label states.
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.
