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GHK-Cu vs KPV
Both are built on tripeptides: GHK-Cu is Gly-His-Lys bound to copper(II), and KPV is Lys-Pro-Val, residues 11–13 of α-MSH.
| GHK-Cu | KPV | |
|---|---|---|
| Also known as | Prezatide copper, Copper tripeptide-1, GHK copper | Lys-Pro-Val, α-MSH (11–13) |
| Compound type | Metal complex · 3 residues | Tripeptide · 3 aa |
| Sequence | Gly-His-Lys · Cu²⁺ | Lys-Pro-Val |
| Molecular formula | C14H22CuN6O4 | C16H30N4O4 |
| Molecular weight | 401.9 g/mol | 342.4 g/mol |
| CAS number | 89030-95-5 | 67727-97-3 |
| PubChem CID | 71587328 | 125672 |
| Form | Lyophilized powder | Lyophilized powder |
| Sizes | 50 mg and 100 mg | 5 mg and 10 mg |
| Price | from $54.00 | from $44.00 |
| Lab report | Published on the product page | Not yet (supplier's spec) |
Where they differ
- Both have 3 residues.
- The sequences differ at 3 positions: position 1 (Gly in GHK-Cu, Lys in KPV); position 2 (His in GHK-Cu, Pro in KPV); position 3 (Lys in GHK-Cu, Val in KPV).
- Molecular formulas: GHK-Cu C14H22CuN6O4, KPV C16H30N4O4.
- Molecular weights: GHK-Cu 401.9 g/mol, KPV 342.4 g/mol.
Tested 99.9%GHK-Cu
Metal complex · 3 residues
50 mg100 mg
from $54.00
$0.69/mg at 100 mg
Ships in 5–7 days
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KPV
Tripeptide · 3 aa
5 mg10 mg
from $44.00
$5.50/mg at 10 mg
Ships in 5–7 days
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