GHK-Cu 50mg | ≥99% Purity Research Peptide

GHK-Cu 50 mg is a high-purity lyophilized peptide research compound supplied exclusively for scientific investigation and controlled laboratory experimentation. For research use only — not for human or veterinary use.  

Product Overview

GHK-Cu is a synthetic copper-binding peptide research compound developed for advanced laboratory investigations involving peptide chemistry, copper-peptide interactions, intracellular signalling and molecular regulatory pathways. Its precisely defined tripeptide structure and ability to form a complex with copper have attracted extensive scientific interest within peptide research, where investigators continue to explore peptide-mediated signalling mechanisms and biochemical communication systems under carefully controlled laboratory conditions. This preparation contains 50 mg of lyophilized GHK-Cu supplied in a sealed research vial. Independent analytical testing measured an assay content of 48.0 mg for this production batch. Chromatographic analysis confirmed greater than 99.8 percent purity, while identity was independently evaluated through FTIR spectrum analysis, retention time confirmation and molecular ion mass identification. Microbiological testing reported 0 CFU/g for both total aerobic microbial count and total yeast and mold count, while bacterial endotoxin analysis returned a result of 0.005 EU/mg. Comprehensive elemental impurity screening additionally reported arsenic, cadmium, mercury, lead, nickel, vanadium and cobalt below 0.001 ppm. With its highly reproducible analytical profile, well-defined molecular identity and comprehensive third-party verification, GHK-Cu serves as a reliable research material suitable for advanced peptide investigations and controlled in vitro laboratory studies.  

Peptide Overview

GHK-Cu is a copper-binding tripeptide research compound commonly utilised in laboratory investigations involving peptide chemistry, molecular biology and intracellular communication. GHK consists of the amino acid sequence glycyl-L-histidyl-L-lysine and forms a molecular complex with copper ions, creating the research compound commonly referred to as GHK-Cu. Researchers employ GHK-Cu in controlled experimental models designed to investigate copper-peptide interactions, receptor-mediated signalling pathways, peptide interactions and complex biochemical regulatory systems. Its reproducible analytical characteristics, defined molecular structure and distinctive copper-peptide chemistry have established GHK-Cu as a recognised compound within modern peptide research. Today, GHK-Cu continues to appear throughout scientific research involving peptide chemistry, molecular biology, biochemical regulation and experimental peptide science.  

Historical Background and Scientific Context

Advances in peptide chemistry have enabled researchers to investigate increasingly sophisticated peptide-metal complexes and their interactions within controlled biochemical systems. GHK has become an established subject within peptide research because of its defined tripeptide structure and ability to coordinate copper, allowing researchers to examine the behaviour of copper-associated peptide complexes under experimental conditions. Modern analytical technologies including ultra-high-performance liquid chromatography, FTIR identification and mass spectrometry have significantly improved the ability to verify peptide identity, purity and manufacturing consistency across laboratory-grade research compounds. As peptide science continues to evolve, compounds such as GHK-Cu contribute to controlled laboratory investigations involving peptide chemistry, molecular signalling and biochemical communication. Today, GHK-Cu remains part of the growing field of investigational peptides utilised exclusively for scientific research and in vitro experimentation.  

Mechanistic Focus in Research

Within controlled laboratory environments, GHK-Cu is commonly investigated in relation to copper-peptide interactions, peptide signalling and intracellular communication systems. Research investigations frequently explore:

• Copper-peptide complex interactions
• Peptide-mediated signalling pathways
• Intracellular molecular communication
• Cellular regulatory mechanisms
• Biochemical pathway analysis
• Peptide-metal coordination research
• Comparative peptide investigations
• Controlled molecular interaction studies

These experimental models allow researchers to investigate complex peptide-mediated and copper-associated signalling mechanisms while maintaining carefully controlled laboratory conditions.  

Analytical Verification (COA)

Each batch of GHK-Cu supplied by Grail Formula undergoes comprehensive independent third-party laboratory verification to confirm peptide identity, assay content, purity and microbiological quality. Analytical testing for this batch was performed by Liquilabs s.r.o. Czechia using chromatographic, spectrometric, microbiological and mass spectrometry techniques. Batch: GF-GHK50-B243

• Assay Content: 48.0 mg
• Purity: greater than 99.8 %
• Identification by FTIR Spectrum: 988
• Identification by Retention Time: 0.994
• Molecular Ion Mass Identification: 341 Da
• Bacterial Endotoxins: 0.005 EU/mg
• Total Aerobic Microbial Count: 0 CFU/g
• Total Yeast and Mold Count: 0 CFU/g

Independent peptide screening measured an assay content of 48.0 mg with a reported analytical uncertainty of ±0.2 mg. Purity analysis confirmed greater than 99.8 percent purity for the tested GHK-Cu research material. Identity was evaluated through FTIR spectrum analysis with a reported result of 988 and retention time analysis with a result of 0.994. Mass spectrometry identified a molecular ion mass of 341 Da with a reported analytical uncertainty of ±1 Da, providing an additional independent identity parameter for the tested material. Bacterial endotoxin testing returned a result of 0.005 EU/mg, remaining within the laboratory’s stated acceptable range of 0–0.5 EU/mg. Additional microbiological testing reported 0 CFU/g for total aerobic microbial count and 0 CFU/g for total yeast and mold count. Independent elemental impurity analysis reported arsenic, cadmium, mercury, lead, nickel, vanadium and cobalt below 0.001 ppm. These analytical procedures provide confirmation of peptide identity, purity, traceability and batch consistency while supporting Grail Formula’s strict research quality standards.  

Research Applications

Within controlled laboratory environments, GHK-Cu may be utilised in experimental models designed to investigate peptide biology, copper-peptide interactions, intracellular signalling pathways and molecular regulatory mechanisms. Examples of research applications include:

• Copper-peptide interaction investigations
• Peptide signalling research
• Intracellular signalling investigations
• Molecular pathway analysis
• Biochemical regulation studies
• Comparative peptide investigations
• Peptide-metal coordination research
• Controlled in vitro peptide studies

These applications are intended exclusively for scientific and laboratory investigation.  

Grail Formula Quality

Every Grail Formula research compound is manufactured under strict quality control procedures and supported by comprehensive independent analytical verification. Each production batch undergoes extensive testing to verify:

• Peptide identity confirmation
• Assay content verification
• Purity assessment
• Molecular ion mass verification
• Retention time confirmation
• FTIR spectrum identification
• Endotoxin analysis
• Microbial contamination screening
• Elemental impurity screening
• Complete batch traceability

Independent laboratory testing helps ensure every batch provides reliable, reproducible research material suitable for advanced scientific investigation.  

When You Choose Grail Formula

When selecting Grail Formula, researchers receive independently verified research compounds supported by complete Certificates of Analysis and transparent batch-specific laboratory documentation. Our analytical verification programme includes assay determination, purity confirmation, FTIR spectrum identification, retention time verification, molecular ion mass identification, endotoxin screening, microbiological analysis and comprehensive elemental impurity testing. Every production batch is accompanied by a downloadable Certificate of Analysis issued by Liquilabs s.r.o. Czechia, providing complete traceability, independent verification and confidence in the analytical quality of every research compound supplied.  

Research Use Limitation

• Used solely for laboratory and in vitro research
• Not approved for human consumption
• Not approved for veterinary use
• Not intended for diagnostic purposes
• Not intended for therapeutic applications
• Not permitted for clinical administration
• For research use only

• Independently analysed by Liquilabs s.r.o. Czechia
• Greater than 99.8 % purity confirmed by COA
• Assay content verified at 48.0 mg
• Identification confirmed by FTIR spectrum and retention time analysis
• Molecular ion mass identified at 341 Da
• Bacterial endotoxin level of 0.005 EU/mg
• No detectable heavy metals or microbial contamination
• Research-grade peptide compound
• For research use only – not for human or veterinary use

For laboratory research only. Not intended for human consumption, injection, or cosmetic use.

This product is for research purposes only. Not for human use or diagnostic/therapeutic applications. Keep out of reach of children.