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FOR RESEARCH USE ONLY. This compound is not FDA approved. All data presented is from clinical trials for educational reference.

Melanotan II
8x tested · ISO 1702599%+ purity

Peptide

Melanotan II

A cyclic peptide analog of α-MSH that binds melanocortin receptors, studied for melanogenesis and related pathways in research settings. Premium Research Peptide.

$29.95$19.47
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40% off from 10 units per product, 50% off from 50 + free 2-day signed delivery.

Verified Test Results

Every batch, independently verified.

Each batch is analyzed by an ISO/IEC 17025 accredited third-party laboratory before it ships. This is the released report for the current batch, exactly as the lab signed it.

ILSILS LaboratoriesIndependent, ISO/IEC 17025 accredited

Certificate of Analysis

99.83%

Purity by HPLC

Lot
MII0002
Tested
Jul 30, 2026
Labeled
10mg
Measured
10.48mg
ISO 17025 Accredited8× Tested
View signed certificate (PDF)

Full QC panel

6 passed · 2 reported

Appearance

Visual

GoodPass

Purity

HPLC · spec ≥ 95%

99.83%Pass

Net Peptide Content

HPLC

10.48mgReported

Identity

HPLC

ConfirmedPass

Fentanyl Screen

Immunoassay

Not DetectedPass

Heavy Metals

ICP-MS

Not DetectedPass

Sterility

PCR

No GrowthPass

Endotoxin

USP <85>

< 0.05 EU/mLReported

Every batch on record

Open any lot's signed certificate. Your order ships with its own lot-specific report.

Melanotan II 10mg

Latest

LOT MII0002

99.83%

HPLC purity · meets spec

Labeled
10mg
Measured
10.48mg
Identity
Confirmed
Heavy metals
Not Detected
Sterility
No Growth
Endotoxin
< 0.05 EU/mL
Tested
Jul 30, 2026

8 assays passed · ILS Laboratories, ISO/IEC 17025 accredited

View certificate

Melanotan II 10mg

LOT MII0001

99.58%

HPLC purity · meets spec

Labeled
10mg
Measured
10.65mg
Identity
Melanotan II
Heavy metals
Not Detected
Sterility
No Growth
Endotoxin
< 0.05 EU/mL
Tested
May 29, 2026

7 assays passed · ILS Laboratories, ISO/IEC 17025 accredited

View certificate

Chemical and structural properties

Compound Information

Molecular Profile

Melanotan II Structure

Synthetic cyclic heptapeptide analog of α-MSH

Cyclic Peptideα-MSH Analog
CAS Number
121062-08-6
Molecular Formula
C50H69N15O9
Molecular Weight
1024.18 g/mol
Sequence
Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH2
Structure
Cyclic lactam
Receptor Binding

Melanocortin Receptor Affinity

Non-selective melanocortin receptor agonist

MC1R
High affinity (pigmentation)
MC3R
Moderate (metabolism)
MC4R
High affinity (sexual function)
MC5R
Moderate (exocrine)
Physical Properties

Formulation Characteristics

Handling and storage requirements

Appearance
White lyophilized powder
Solubility
Soluble in water, saline
Storage
2-8°C (refrigerated)
Reconstituted stability
30 days refrigerated

Peer-reviewed literature

The research behind this compound, cited in full.

Every research claim on this page traces back to one of the 5 publications below.

  1. 01British Journal of Dermatology · 2006A randomized controlled trial of melanotan II in the induction of eumelanin synthesis in fair-skinned subjects
  2. 02Urology · 1998Synthetic melanotropic peptide initiates erections in men with psychogenic erectile dysfunction: double-blind, placebo controlled crossover study
  3. 03Life Sciences · 1996Evaluation of melanotan-II, a superpotent cyclic melanotropic peptide in a pilot phase-I clinical study
  4. 04Peptides · 2006Discovery and development of novel melanogenic drugs. Melanotan-I and -II
  5. 05International Journal of Impotence Research · 2004An effect on the subjective sexual response in premenopausal women with sexual arousal disorder by bremelanotide (PT-141), a melanocortin receptor agonist

Important research notice

Not for human, veterinary, or food use. This product is sold exclusively for research and educational purposes. It is not intended to diagnose, treat, cure, or prevent any disease.

All clinical trial data and research findings presented on this page are sourced from peer-reviewed journals and official publications. They are provided for educational reference only and should not be interpreted as medical advice or product claims.

By purchasing this product, you confirm that you are a qualified researcher and will use it in accordance with all applicable laws and regulations.

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Melanotan II | 99%+ Pure Peptide | Amino Club | Amino Club