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Cyclic α-MSH Analog · Research Peptide

Melanotan II

Name: Melanotan II
Brand: Peptides Optimized
SKU: mt-2
Price: 55.00 USD
Availability: InStock

Melanotan IIMelanotan-2MT-II

Melanotan II is a synthetic cyclic 7-amino-acid lactam analog of α-melanocyte-stimulating hormone (α-MSH), N-acetylated and C-terminally amidated, with a ring closed by an Asp-to-Lys lactam bridge. Supplied as a lyophilized powder for laboratory research, third-party tested to 99%+ HPLC purity, for research use only — not for human or veterinary use.

Supplied lyophilized — requires BAC water

99%+ HPLC purityThird-party testedEndotoxin testedShips from USA

Size

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Lab Verified

Certificate of Analysis

Review the published certificate for each listed strength, including its batch number and reported purity, potency, identity, heavy metals, sterility and endotoxin results.

1verified batch

LatestPass7× Tested

99.23%

Purity

Passed full QC panel

Variant: Melanotan II 10 mg
Batch #: MT210-260510
Labeled: 10 mg
Actual: 10.01 mg
Tested: May 10, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>99.23%

Net Peptide · USP <621>10.01 mg

Identity · LC-MSMelanotan II

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.08 EU/vial

View full COA

Genesis Biolabs · COA #1597390 · verify

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Compound Information

Technical specifications

Molecular Profile

What is Melanotan II?

Type: Synthetic peptide
CAS Number: 121062-08-6
Molecular Weight: 1024.18 g/mol
Amino Acids: 7
Sequence: Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2
Formula

Important Research Notice

This product is for research and laboratory use only. It is not approved for human or veterinary therapeutic use.
Storage, handling, and disposal must comply with applicable local, state, and federal regulations.
Researchers are responsible for verifying intended use and ensuring compliance with their institutional protocols.

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