🚚 Free U.S. shipping over $150 · 24–48 hours U.S dispatch · For Research Use Only · Made in USA
🚚 Free U.S. shipping over $150 · 24–48 hours U.S dispatch · For Research Use Only · Made in USA
For Research Use Only. Not for human or veterinary use. Not for diagnostic or therapeutic procedures.
$30.00
Supplied for laboratory research use only. By ordering you confirm you are 21+ and purchasing for lawful research.
Purity (HPLC): 99.6% · Form: Lyophilized · Presentation: Foil-sealed vial · Origin: United States · Documentation: COA on file
Melanotan II is built from a shorter core of the same alpha-MSH backbone as Melanotan I, closed into a ring by a lactam bridge formed between its aspartic acid and lysine side chains — the defining structural difference from Melanotan I's linear chain. Full sequence: Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂. At approximately 1,024.2 Da, its compact cyclic architecture is distinct enough from Melanotan I to be told apart by mass alone — a 623 Da difference between the two.
Download Full COA (PDF)
One of our documented research compounds. Supplied as a lyophilized powder in a foil-sealed, batch-numbered glass vial. This is a cyclic 7-amino acid peptide with a molecular weight of approximately 1,024.2 Da.
It’s built from a shorter core of the same alpha-MSH backbone as Melanotan I, closed into a ring by a lactam bridge.
Held and shipped from our own U.S. inventory, ready to go — orders are dispatched within 24–48 hours from the U.S., with tracking issued once the carrier receives the shipment.
Our team supports documentation, sourcing and logistics. Research design, handling and methodology remain with the qualified professional conducting the work. Supplied strictly for laboratory research.
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