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HomeProductsMelanotan II

Research Use Only — Not for Human Consumption. This compound is sold exclusively for in vitro laboratory research by qualified professionals.

PeptaPeptides
Melanotan II
10 mg
99.2% PurityFor Research Use Only
RUO — Research Use Only
Not for human, veterinary, or clinical use
RUO
Melanocortin

Melanotan II

MT-II Melanocortin Agonist

(341 reviews)
99.2% Purity
$69.99per 10 mg · lyophilized

Melanotan II is a cyclic, lactamized analogue of alpha-MSH developed as a broad-spectrum melanocortin receptor agonist displaying high potency at MC1R, MC3R, MC4R, and MC5R subtypes. Preclinical research has characterized its role in melanogenesis signaling, neuroendocrine regulation, and central pathway pharmacology. For research use only — not for human consumption.

3rd-Party HPLC Verified
Lot-Specific Certificate
Cold-Chain Shipping
Chemical Information
Molecular FormulaC₅₀H₆₉N₁₅O₉
Molecular Weight1024.18 g/mol
CAS Number121062-08-6
FormLyophilized Powder
Storage-20°C, dry & dark
Purity (HPLC)≥ 99.2%
Amino Acid SequenceAc-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH
1
17 in stock
Not for Human Consumption · For Research Purposes Only
256-bit SSL
Cold-Chain Shipping
Lot-Specific CoA
ISO 9001 Facility
Independent Verification

Third-Party Tested. Every Lot.

Every batch of Melanotan II undergoes independent HPLC and mass spectrometry analysis through an accredited third-party laboratory before it is released for sale. No exceptions. No internal-only certificates.

RP-HPLC Analysis

Every lot measured by reverse-phase HPLC. Melanotan II consistently achieves 99.2%+ purity across batches.

ESI Mass Spec

Electrospray ionization mass spectrometry confirms exact molecular weight and rules out structural isomers or impurities.

Lot-Specific CoA

Your Certificate of Analysis references your exact lot number with actual chromatogram data — not a generic template.

Research Context

Theoretical Research Analysis

All research information below reflects published preclinical literature only. This product is not for human use, consumption, or clinical application of any kind.

Broad-spectrum melanocortin receptor activation
Pigmentation and melanogenesis signaling
MC4R-mediated central pathway studies

MT-II serves as a key reference compound in studies characterizing the melanocortin receptor family, ideal as a positive control for pan-MC receptor activation.

Sequence Information

Amino acid sequence:

Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH

Molecular Formula

C₅₀H₆₉N₁₅O₉

Molecular Weight

1024.18 g/mol

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FDA Disclaimer: The information and statements contained on this website have not been evaluated by the United States Food and Drug Administration. The products offered by PeptaPeptides LLC and the statements made herein are not intended to diagnose, treat, cure, or prevent any disease or medical condition. PeptaPeptides LLC functions solely as a chemical supplier and raw material provider. PeptaPeptides LLC is not a compounding pharmacy, nor does it constitute a chemical compounding facility as that term is defined under Section 503A of the Federal Food, Drug, and Cosmetic Act. PeptaPeptides LLC is likewise not an outsourcing facility as defined under Section 503B of the Federal Food, Drug, and Cosmetic Act. All compounds and materials offered are provided exclusively for laboratory research, scientific analysis, and in vitro use by qualified researchers and institutions. None of the products available through PeptaPeptides LLC are intended for, approved for, or suitable for human consumption in any form.