Melanotan II is a synthetic analog of alpha-melanocyte stimulating hormone (α-MSH) that activates melanocortin receptors MC1R through MC5R. Our current lot, AM20260925-20, tested 99.825% HPLC purity with identity confirmed by Accumark Labs (report R5YK-QGM7, completed Sep 28, 2026)
Lot AM20260925-20
Tested on the 10.697 mg vial
Sample received Sep 24, 2026 · Analysis completed Sep 28, 2026
Conforms spec > 98.0%
Conforms
Measured
Figures copied exactly from Accumark Labs's report R5YK-QGM7.
Catalog no. PH-MT2-001Size 10mgMW (reference) 1,024.2 DaMechanism Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2
Melanotan II is a synthetic analog of alpha-melanocyte stimulating hormone (α-MSH) that activates melanocortin receptors MC1R through MC5R. This cyclic heptapeptide was developed for tanning and sexual dysfunction research.
Mechanism of Action
Melanotan II binds to melanocortin receptors, stimulating melanogenesis through MC1R and affecting appetite and sexual function via MC3R and MC4R. Studies show effects on thermogenic capacity (PMID: 33332767) and appetitive behavior (PMID: 36155088).
Research Applications
Product Specifications
References
Melanotan II is supplied as a lyophilized powder. Keep it sealed, dry, and away from light until reconstitution.
Lyophilized material is stable when frozen. Once reconstituted, keep it cold and minimise handling to preserve integrity.
Melanotan II is a synthetic peptide compound used in laboratory research settings. Researchers studying melanocortin receptor system research use this compound to investigate cellular signaling pathways, receptor binding affinities, and structure-activity relationships. Its available Certificate of Analysis documents the reported laboratory results.
Melanotan II is a research compound supplied for in-vitro laboratory use. Also known as Melanotan 2, MT-2, MT-II. Mechanism class: Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2. Supplied for melanocortin system laboratory research. A third-party Certificate of Analysis is published for the current lot. Research Use Only — not for human or veterinary use.
The current Certificate of Analysis for Melanotan II reports 99.825% purity by HPLC (Accumark Labs report R5YK-QGM7).
Yes. Accumark Labs report R5YK-QGM7 for Melanotan II is on our COA page, with a link to the lab's own report.
Melanotan II is supplied as a lyophilized powder. Store it at −20°C or below, protected from light and moisture — lyophilized material is stable frozen. Once reconstituted, keep it refrigerated and avoid freeze-thaw cycles.
Orders ship at a $15 flat rate, free on orders of $200 or more, in discreet, insulated packaging. Domestic delivery takes 2–3 business days — 2-day across California, nearby Nevada, and on orders of $250+.
No. Melanotan II is supplied strictly for in-vitro laboratory research. It is not for human or veterinary use, consumption, or diagnostic or clinical applications.
Yes. Melanotan II is also spelled or referred to as Melanotan 2, MT-2, MT-II. These are naming variants of the same compound, not different products.
Melanotan II's CAS Registry Number is 121062-08-6, per PubChem (CID 92432).
Open the lab report link on our certificate page — it goes to Accumark Labs's own verification portal, not a file we host, so the result can't be edited by us. Confirm the report ID (R5YK-QGM7) and figures match what's shown here.
The 10mg size of Melanotan II is $5.00 per mg. See the size selector above for per-mg pricing on every available size.
