DRGZ-003 · Research Peptide
GHK-Cu Research Peptide
Copper tripeptide complex
- 50 MG
- ≥99% by RP-HPLC
- Lyophilized
- COA on file ↗
For laboratory research use only · Not for human or veterinary use
Overview
A copper(II)-binding tripeptide complex (glycyl-L-histidyl-L-lysine bound to Cu), lyophilized to 50 mg per vial. Characteristic blue coloration reflects the copper complex.
Specifications
- Catalog
- DRGZ-003
- Net content
- 50 MG
- Form
- Blue lyophilized powder (copper complex)
- Purity
- ≥99% by RP-HPLC
- Shelf life
- Lyophilized: 24+ months at 20°C. Reconstituted: ~28 days at 2-8°C.
- Storage
- Keep sealed and protected from light. Store cold at 20°C lyophilized; refrigerate after reconstitution.
- Certificate
- View COA · GHKCU5XI56O
Research context
A common reference compound in in-vitro studies of collagen-model expression, matrix remodeling, and copper-peptide chemistry. Supplied strictly for laboratory research.
Every batch ships under a numbered certificate of analysis. See the Research-Use Policy for the terms that govern this material.
Further reading: GHK-Cu: Copper Tripeptide in Matrix Research in the DRAGNZ PEPS research library.
Research & handling
General laboratory reference for qualified researchers. Not a protocol for human or veterinary use, and nothing here is a therapeutic claim.
Research background
GHK-Cu is the copper(II) complex of the tripeptide glycyl-L-histidyl-L-lysine (GHK). DRAGNZ PEPS supplies it lyophilized at 50 mg per vial; the bound copper gives it a characteristic blue color.
It appears in the research literature as a reference compound in in-vitro studies of extracellular-matrix and collagen-model expression and of copper-peptide coordination chemistry. It is supplied strictly for laboratory research. No biological effect is claimed or implied.
Reconstitution guide
A common bench approach for the 50 mg vial:
- Bring the sealed vial to room temperature first, so condensation does not form on the cold cake.
- Wipe the stopper with an alcohol swab, then add your diluent (commonly bacteriostatic or sterile water) slowly down the inside wall of the vial. Do not direct the stream onto the powder.
- Let the cake dissolve undisturbed, then swirl gently. Do not shake or vortex hard, which can shear the peptide.
- Worked example: 2 mL of diluent in a 50 mg vial gives a 25 mg/mL stock. Scale the volume to the concentration your assay calls for.
- Aliquot to limit freeze-thaw cycles. Hold the working solution at 2-8°C and use it within the window noted on the certificate; freeze long-term aliquots.
GHK-Cu reconstitutes to a blue solution; the color comes from the copper complex and is expected. Protect the solution from prolonged light.
Common questions
- What purity is documented on the certificate?
- Every GHK-Cu batch is released at ≥99% by RP-HPLC with identity confirmed by mass spectrometry. Pull the exact figures for your vial from the Verify tool using the batch search code on the label.
- How should the vial be stored?
- Sealed and protected from light. Lyophilized material holds 24+ months at 20°C; refrigerate at 2-8°C after reconstitution and avoid repeated freeze-thaw.
- Is it soluble in water?
- Yes, it is water-soluble and forms the characteristic blue solution. Use the minimum diluent needed for your target stock concentration.
- What is this material sold for?
- Laboratory research use only, by qualified individuals. It is not a drug, supplement, food, or cosmetic, and it is not for human or veterinary use.