Identity established
GHK-Cu
Copper tripeptide-1; glycyl-histidyl-lysine copper
GHK-Cu is the copper complex of the tripeptide glycyl-L-histidyl-L-lysine. The sequence line is the peptide. The formula and mass are the copper complex in PubChem CID 71587328.
Record
- Research status
- Identity established
- Classification
- Copper peptide
- One-letter sequence
- GHK
- Display sequence
- GHK · copper complex
- Length
- 3 residues
- Molecular formula
- C14H23CuN6O4+
- Molecular weight
- 402.92
- CAS number
- 89030-95-5
- PubChem CID
- 71587328
- Sequence database
- Not verified
Naming
The free tripeptide, without copper, is a different PubChem record: CID 73587, formula C14H24N6O4, mass 340.38. Do not mix that mass with the copper complex.
What this record does not claim
Identity here is the copper complex. Tissue and cosmetic research pages on other sites can discuss mechanism. This record does not.
Categories
Copper peptides · Cosmetic peptide research · Tissue research
Sources
Last reviewed October 13, 2026. Send a correction