Research Use Only
GHK-Cu
· Reviewed by Aydan Myers, Lead Chemist · Evidence tier B
GHK-Cu (CAS 89030-95-5) is the 1:1 copper(II) complex of GHK (Gly-His-Lys); formula C14H22N6O4·Cu (C14H22CuN6O4); average MW 401.91; PubChem CID 10111685. Research use only; not for human or veterinary use.
Free GHK is listed only as parent/ligand: CAS 49557-75-7, C14H24N6O4, average MW 340.38, PubChem CID 73587. Synonyms and vendor codes indexed here include GHK, GH-CU, GHKCU, Copper peptide GHK, Prezatide copper. This page does not describe administration or dosing.
Key facts
| Sequence | GHK |
|---|---|
| Sequence (3-letter) | Gly-His-Lys |
| Residues | 3 |
| CAS Registry Number | 89030-95-5 |
| Molecular formula | C14H22N6O4·Cu (C14H22CuN6O4) |
| Average molecular weight | 401.91 Da |
| PubChem CID | 10111685 |
| Identity | 1:1 copper(II) complex of GHK |
| Ligand sequence | Gly-His-Lys |
| Parent/ligand name | GHK |
| Parent/ligand CAS | 49557-75-7 |
| Parent/ligand formula | C14H24N6O4 |
| Parent/ligand average molecular weight | 340.38 Da |
| Parent/ligand PubChem CID | 73587 |
| Page type | Research identity monograph |
| Intended use | Research Use Only (reference) |
| Synonyms | GHK, GH-CU, GHKCU, Copper peptide GHK, Prezatide copper, Glycyl-L-histidyl-L-lysine copper |
| Research notes | copper-binding tripeptide studied in extracellular matrix and remodeling models |
| Evidence tier | B |
| Last verified | 2026-08-29 |
Is GHK-Cu for human use?
No. GHK-Cu (GHK) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
What is the CAS number of GHK-Cu?
The CAS number of GHK-Cu (GHK) is 89030-95-5. Formula and molecular weight appear in the identity table when retrieved.
What is the molecular weight of GHK-Cu?
The average molecular weight of GHK-Cu (GHK) listed on Costides is 401.91 Da.
Chemical identity table
| Sequence | GHK |
|---|---|
| Sequence (3-letter) | Gly-His-Lys |
| Residues | 3 |
| CAS Registry Number | 89030-95-5 |
| Molecular formula | C14H22N6O4·Cu (C14H22CuN6O4) |
| Average molecular weight | 401.91 Da |
| PubChem CID | 10111685 |
| Identity | 1:1 copper(II) complex of GHK |
| Ligand sequence | Gly-His-Lys |
| Parent/ligand name | GHK |
| Parent/ligand CAS | 49557-75-7 |
| Parent/ligand formula | C14H24N6O4 |
| Parent/ligand average molecular weight | 340.38 Da |
| Parent/ligand PubChem CID | 73587 |
| Synonyms | GHK, GH-CU, GHKCU, Copper peptide GHK, Prezatide copper, Glycyl-L-histidyl-L-lysine copper |
Catalog 10-packs
GHK-Cu is the copper peptide, not a BPC blend. CU50 and CU100 are GHK-Cu singles. GLOW and KLOW are multi-peptide blends that include GHK-Cu 50mg. KCU60 is KPV 10mg + GHK-Cu 50mg.
- CU50 — GHK-Cu 50mg 10-Pack RUOGHK-Cu copper peptide (not a BPC blend)
- CU100 — GHK-Cu 100mg 10-Pack RUOGHK-Cu copper peptide (not a BPC blend)
- GLOW — BPC-157 10mg+GHK-Cu 50mg+TB-500 10mg 10-Pack RUOBPC 10mg + TB-500 10mg + GHK-Cu 50mg
- KLOW — BPC-157 10mg+GHK-Cu 50mg+TB-500 10mg+KPV 10mg (KLOW) 10-Pack RUOBPC 10mg + TB-500 10mg + KPV 10mg + GHK-Cu 50mg
- KCU60 — KPV 10mg+ GHK-Cu 50mg 10-Pack RUOKPV 10mg + GHK-Cu 50mg
Frequently asked questions
- What is GHK-Cu?
- GHK-Cu (CAS 89030-95-5) is the 1:1 copper(II) complex of GHK (Gly-His-Lys); formula C14H22N6O4·Cu (C14H22CuN6O4); average MW 401.91; PubChem CID 10111685. Research use only; not for human or veterinary use. Research Use Only. Not for human or veterinary use.
- What is the CAS number of GHK-Cu?
- The CAS number of GHK-Cu (GHK) is 89030-95-5. Formula and molecular weight appear in the identity table when retrieved.
- Is GHK-Cu for human use?
- No. GHK-Cu (GHK) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
- What is the molecular weight of GHK-Cu?
- The average molecular weight of GHK-Cu (GHK) listed on Costides is 401.91 Da.
- Can I buy GHK-Cu from Costides?
- Yes. GHK-Cu may appear in the Costides catalog as a Research Use Only 10-pack when published. Check the product listing for SKU, price, and CoA lots.
- Where does identity data for GHK-Cu come from?
- Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.
Citations
- PubChem CID 10111685
- PubChem CID 73587 (GHK ligand)
- CAS Common Chemistry 89030-95-5
- A Torilis japonica Extract-GHK-Cu Complex Attenuates Th2 Cytokines and Promotes Keratinocyte Recovery: A Potential Antioxidant Strategy for Atopic Dermatitis. PMID 42510549
- DOI for PMID 42510549 PMID 42510549
- Copper peptide activated cascade catalysis for glucose regulation and hypoxia reversing in infected diabetic wound healing. PMID 42404628
- DOI for PMID 42404628 PMID 42404628
- Hierarchical regulation and mechanism of "open-hollow-fibrous network" structures: Osteogenic-angiogenic coupling responses of poly(γ-benzyl-L-glutamate) microspheres. PMID 42320090
- DOI for PMID 42320090 PMID 42320090