- Longevity Peptide
Melanotan II
- Dosage
- 99.1% Purity
- 10mg vial
$39.99
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Certificate of Analysis
Variant
Melanotan II 10mg
Lot #
TPM-0309
Labeled
10mg
Actual
10.09mg
Tested Feb 10, 2026
Scientific Overview
Melanotan II is a synthetic cyclic heptapeptide analog of alpha-melanocyte-stimulating hormone (α-MSH). It is a non-selective agonist at MC1R, MC3R, MC4R, and MC5R melanocortin receptors, with enhanced metabolic stability due to its lactam-bridged cyclic structure.
Chemical Makeup
Molecular Formula
C₅₀H₆₉N₁₅O₉
Molecular Weight
1024.18 g/mol
Amino Acid Sequence
Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂
CAS Number
121062-08-6
Other Names
MT-II, Melanotan 2
Appearance
White to off-white lyophilized powder
Storage
Store refrigerated at 2–8°C. For extended storage, keep frozen at -20°C. Protect from light and moisture.
Research & Clinical Studies
Melanocortin Receptor Binding Profile
Competitive binding assays characterized Melanotan II's affinity at multiple melanocortin receptor subtypes including MC1R, MC3R, MC4R, and MC5R.
Preclinical Behavioral Studies
Central administration in murine models was associated with MC4R-mediated behavioral effects, contributing to understanding of melanocortin signaling in the CNS.
References
Frequently Asked Questions
What is the purity of Melanotan II?
Our Melanotan II is verified at 99.1% purity through independent third-party HPLC analysis. Each production batch undergoes rigorous quality testing, and a Certificate of Analysis (COA) is available for review in our COA Library.
How should I store this peptide?
Store refrigerated at 2–8°C. For extended storage, keep frozen at -20°C. Protect from light and moisture. Once reconstituted, solutions should be used promptly or stored frozen to maintain stability. Avoid repeated freeze-thaw cycles for best results.
Do you provide Certificates of Analysis?
Yes — every batch we produce is independently tested via HPLC and mass spectrometry to confirm identity and purity. COAs for all current batches are publicly accessible through our COA Library.
How is the product shipped?
All orders ship within 24 hours of purchase via USPS Priority Mail. Products are carefully sealed and packaged to ensure stability during transit. Orders over $150 qualify for free shipping. If you receive a damaged, defective, or incorrect product, please contact our support team with photos within 48 hours of delivery.
Is this product for human consumption?
No. This product is sold exclusively for in-vitro laboratory and research purposes. It is not intended for human or animal consumption, nor for any diagnostic or therapeutic applications. Purchasers must be 18 years of age or older and assume full responsibility for lawful handling.