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30,000+ recurring researchers
supplied nationwide
Orders placed before 2 PM CT on business days ship the same day
Monday to Friday, Central time
The 10 testsWhat our labs check for
- PurityHPLC against a certified reference standard, reported to two decimal places.
- Net Peptide ContentHow much peptide the vial actually holds, weighed against what the label claims.
- IdentityHPLC retention time, read against a reference standard, confirms the molecule is the one named on the label.
- Heavy MetalsICP-MS for lead, arsenic, cadmium, mercury and chromium.
- SterilityA PCR screen; the certificate states whether any growth was found.
- EndotoxinUSP <85>, published as the measured value rather than a pass mark.
- Fentanyl ScreenChecked for fentanyl and its analogs, reported either way.
- Product pHMeasured with a pH meter and published as the value.
- SolubilityWhether the lot dissolves, judged by eye in the stated solvent and concentration.
- Closure IntegrityA vacuum leak test on the sealed vial.
This lot's certificate lists 6 tests. See the certificate
Third-party verified
Certificate of Analysis
Every lot we have tested, newest first. Your vial's lot is printed on its label.
Frequently Researched Together
Compounds researchers often pair with GHK-CU
Purchase Protection on every order
Test any lot yourself. If an independent lab result doesn't match our posted specs, send us the report and we'll replace it or refund you in full.
Damaged or incorrect on arrival? Send photos within 48 hours and we'll replace it.
Opened or used compounds can't be returned. Return policy
Research Application Guidelines
This material is intended solely for controlled in vitro laboratory research performed by trained professionals. It is not approved for human or veterinary use and must not be incorporated into foods, pharmaceuticals, cosmetics, or diagnostic applications.
Regulatory Notice
This compound has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease. All handling, storage, and research activity must comply with institutional policies and regulatory standards.
Purchase & Responsibility Agreement
By completing this transaction, the buyer confirms they are a qualified researcher or authorized laboratory and accepts full responsibility for lawful use, proper storage, and compliance with all applicable regulations.
Opened or used research compounds are non-returnable and all sales are otherwise final.
Compound Information
Technical specifications & Research Data
GHK-Cu (Copper Tripeptide-1)
A naturally occurring copper-binding tripeptide (Gly-His-Lys) complexed with Cu²⁺, studied for extracellular matrix remodeling, antioxidant response, and skin/hair follicle signaling in research models.
Stability Info
Maintain optimal storage conditions
The Void standard
What stands behind GHK-CU
- 99%+ purity
- 30,000+ recurring researchers
- GMP / pharmaceutical grade
Measured on its certificate
- 100 mg · HPLC 99.34% · lot 001 · tested 08/12/2026 · ILS LaboratoriesLabelled 100mg, measured 106.36 mgSee the certificate
- 50 mg · HPLC 99.92% · lot 003 · tested 06/10/2026 · ILS LaboratoriesLabelled 50mg, measured 52.73 mgSee the certificate
Lots on record: 2 · latest test 08/12/2026