Copper Tripeptide-1 · Glycyl-L-Histidyl-L-Lysine copper(II)
| Classification | Naturally occurring tripeptide–copper(II) complex |
|---|---|
| Amino acid sequence | Gly-His-Lys · Cu(II) |
| Short notation | GHK-Cu |
| Molecular formula | C14H22CuN6O4 (complex); C14H24N6O4 (free peptide) |
| Molecular weight | 401.9 g/mol (copper complex); 340.38 g/mol (free peptide) |
| CAS number | 49557-75-7 |
| Solubility | Readily soluble in water; solutions are deep blue. |
| Reported half-life | Not well characterized in public literature; solution stability depends on pH and oxidation. |
International orders have a 3-vial minimum per product. Case pricing shown is international; US warehouse case pricing may differ and is shown at checkout.
First isolated from human plasma. The GHK tripeptide has high affinity for copper(II) and occurs naturally in plasma, saliva, and urine, with plasma levels declining across the lifespan.
The following describes contexts in which this compound appears in published laboratory literature. Nothing here is a claim of efficacy, safety, or suitability for any use in humans or animals.
| Lyophilized powder | Store lyophilized powder at -20 °C, sealed and protected from light. This compound is light- and oxidation-sensitive. |
|---|---|
| After reconstitution | Store at 2–8 °C in light-protective packaging; use within approximately 4 weeks. Avoid repeated freeze-thaw cycles. |
| Shipping | Ships at ambient temperature in light-protective packaging. |
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| Vial | 1 vial (US) | 3 vials (Intl) | Case of 5 | Case of 10 | Stock |
|---|---|---|---|---|---|
| 50mg | $32 | $96 | $100 | $190 | 5 in Denver |
| 100mg | — | $150 | $175 | $200 | International |
$20 flat USA shipping · solutioning available at $10/vial · Denver stock ships within 1 business day of order confirmation.