This product is supplied exclusively for in-vitro laboratory research use. It is not intended for human or animal use, including diagnosis, treatment, mitigation, or prevention of disease.

Purity: 99.949%
Independently Tested
Freedom Diagnostics — USA Lab
🧪 Lab Tested: February 23, 2026
Product ID
MELANOTAN-2
Purity
99.949%
Dosage
10mg
Category
Cosmetic
| Molecular Formula | C₅₀H₆₉N₁₅O₉ |
| Molecular Weight | 1,024.2 Da |
| Sequence | Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂ |
| CAS Number | 121062-08-6 ↗ |
| Purity | 99.949% HPLC |
| Form | Lyophilized Powder |
| Storage | -20°C / -4°F |
Tested by Freedom Diagnostics
HPLC + Mass Spectrometry · USA Lab
Melanotan II (MT-2) is a synthetic analog of alpha-melanocyte stimulating hormone (α-MSH) — a cyclic heptapeptide with the sequence Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂. The cyclic structure, formed by a lactam bridge between Asp and Lys residues, confers significantly enhanced potency and metabolic stability compared to linear α-MSH analogs.
As a non-selective melanocortin receptor agonist, Melanotan II activates multiple receptor subtypes: MC1R (melanogenesis), MC3R (energy homeostasis and inflammation), MC4R (appetite regulation and sexual function), and MC5R (exocrine gland function). This broad receptor activity profile makes it a valuable research tool for studying the melanocortin system across multiple physiological domains.
Research has examined Melanotan II's effects on melanogenesis through MC1R activation in melanocytes, promoting eumelanin synthesis and UV-independent pigmentation. Studies have also investigated MC4R-mediated effects on appetite, energy expenditure, and erectile function in animal models. Pure Pharm Peptides' Melanotan II is verified at 99.949% purity at 10mg/vial.
Research Applications:
Key Specifications:
Research Highlights:
Melanotan II is a synthetic peptide that stimulates melanin production for skin tanning while also suppressing appetite and enhancing libido. Research shows it can promote fat loss and reduce food intake, making it valuable for studies on metabolic regulation, body composition, and photoprotection.
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The verified choice for researchers who demand proof, not just claims. Tested by Freedom Diagnostics.
For research purposes only.
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Melanotan II (MT-2)
$50