Additional Information & Research Details
COA & Canadian Third-Party Testing
Independent, verifiable Canadian third-party testing
All third-party testing conducted by Integrity Peptides is performed through independent Canadian analytical laboratories. Certificates of Analysis (COAs) are generated from laboratory-tested samples and are intended to support independent verification of identity and purity.
Integrity Peptides is committed to third-party verification across our entire product line. Testing documentation is published once results are finalized and reviewed. We do not publish preliminary, supplier-only, or unverified test data.
Current testing status, available Certificates of Analysis, and verification details are maintained on our Third-Party Testing & Certificates of Analysis page.
→ View Canadian testing status & COAs
Suggested Research Applications
Melanotan II (MT-II) is frequently explored in laboratory environments for its potential roles in:
• Studies involving melanocortin receptor signaling pathways
• Research on peptide–receptor binding dynamics
• Investigations into neuropeptide and central signaling mechanisms
• Experimental models examining pigmentation-related pathways
• Studies focused on hormone signaling and regulatory peptide systems
• Explorations of melanocortin system interactions in controlled research settings
(For laboratory research use only. Not intended for human or veterinary use.)
Storage & Handling
• Store unopened vials at 2–8°C (refrigerated)
• For long-term storage (6+ months), freeze at –20°C or below
• After reconstitution, keep at 2–8°C and use promptly
• Protect from light exposure
• Avoid repeated freeze-thaw cycles
• Use proper laboratory aseptic technique
Technical Data
Melanotan II (MT-II) is a synthetic cyclic heptapeptide analog developed through solid-phase peptide synthesis and supplied in a sterile, lyophilized format for controlled laboratory research applications.
• Peptide Sequence: Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂
• Molecular Formula: C₅₀H₆₉N₁₅O₉
• Molecular Weight: 1024.2 g/mol
• CAS Number: 121062-08-6
• Appearance: White to off-white lyophilized powder
• Solubility: Soluble in bacteriostatic water and other aqueous solutions
• Format: Sterile, lyophilized vial intended for laboratory research use