GHK-Cu 50mg
Research Peptide
GHK-Cu is a naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine). Extensively studied for skin remodeling, hair follicle stimulation, wound healing and gene-expression modulation. 50mg per vial. Distinctive deep blue color when reconstituted. For research use only.
For research use only. Not for human consumption.
Third-party lab verification
Every batch is tested by an independent laboratory using RP-HPLC to confirm identity, purity, and endotoxin levels. Sample results for GHK-Cu 50mg shown below — lot-specific COAs available on request.
Independent Analytical Laboratory
Certificate of Analysis
Document
COA-GHK-2026-0428
Product
GHK-Cu (Copper Peptide)
CAS No.
89030-95-5
Molecular Formula
C14H22CuN6O4
Molecular Weight
401.91 g/mol
Lot Number
GHK-2026-0428
Appearance
Dark navy-blue lyophilized powder
Manufacture Date
2026-04-28
Retest Date
2028-04-28
Amino Acid Sequence
Gly-His-Lys · Cu²⁺
Test Results
| Test | Specification | Result | Status |
|---|---|---|---|
| Identification | Conforms (MS) | Conforms | Pass |
| Purity (HPLC) | ≥ 98.0% | 99.50% | Pass |
| Water Content | ≤ 5.0% | 2.0% (Karl Fischer) | Pass |
| Endotoxin | < 10 EU/mg | <5 EU/mg (LAL) | Pass |
| Single Impurity | ≤ 1.0% | 0.58% | Pass |
Method
RP-HPLC, C18, 230 nm, 0.1% TFA / ACN gradient
R. Halverson
QC Analyst
Sample document — request your lot's COA for verification.
RP-HPLC Chromatogram
GHK-Cu (Copper Peptide)
Detector
UV 220 nm
Retention
4.67 min
Area %
99.50%
Plates (N)
8,824
| Peak | RT (min) | Area % | Assignment |
|---|---|---|---|
| 1 | 3.25 | 0.30 | Impurity A |
| 2 | 4.67 | 99.50 | GHK-Cu (Copper Peptide) |
| 3 | 5.85 | 0.17 | Impurity B |
Sample chromatogram — lot-specific traces on request.
Illustrative sample — request your lot's COA via 907-252-1640