Peptides

GHK-Cu analysis

Copper peptide. Needs a copper assay as well as peptide identity.

GHK-Cu is a copper complex, so a peptide-only assay tells you half the story. This test reports peptide identity and purity, and the copper content separately.

What this test tells you

Identity — LC-MS

Confirms the molecule is what the label claims, by measuring the mass of the eluting ions. Catches substitution and the wrong compound entirely.

Content — quantitative HPLC

How much is actually in the vial, compared against the declared strength and reported as a percentage of claim.

Purity — HPLC-UV

Area percent of the main peak, with the chromatogram attached so the figure can be checked rather than trusted.

A verifiable report

A report ID and unique key that resolve to a public record. Anything that does not resolve is not a genuine report.

Parameters

Target compound	GHK-Cu (copper tripeptide-1)
Testing method	RP-HPLC-UV + ESI-LC-MS + copper assay
Result format	mg per vial, purity %, copper mg/mL
Minimum sample	1 whole unopened vial, or 20 mg raw API

Frequently asked questions

Does colour prove it is real?

No. Blue dye looks identical. Only the copper assay distinguishes them.

Additional services

Add any of these to the same vial, on the same certificate.

Optional add-ons

Raw data packageChromatogram and mass spectrum as open files, not just PDF.
+$18
pH measurementMeasured on reconstituted sample, reported to 0.01.
+$27
Fentanyl presence screenTargeted LC-MS screen. Reported present / not detected.
+$55
Variance testingTwo independent injections from the same vial, reported separately.
+$55
Additional report copyA second certificate issued under a different origin label.
+$37
Heavy metals (ICP-MS)As, Cd, Pb, Hg. Reported per element, <0.01 ppm.
+$125
Endotoxin (LAL)Kinetic LAL, reported in EU/mg. Requires a second vial of the same compound.
+$210
CHNS mass reportElemental composition, independent of the HPLC assay.
+$105
LC-MS contamination screenScreens for unrelated peptides and small molecules.
+$150
Sterility (TAMC + TYMC)Compendial sterility. 14-day incubation. Requires a second vial.
+$179
TFA content analysisResidual trifluoroacetic acid, reported as % w/w.
+$210