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Primeva Labs
Melanocortin Research Peptide

Melanotan II

MT-IIMT-2Melanotan 2

Melanotan II from Primeva Labs is offered strictly for research use only. Each order includes batch-specific CoA documentation, quality verification, and secure online ordering. Not for human or animal consumption.

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CoA

What Is Melanotan II?

Research overview

Melanotan II is a synthetic cyclic analog of alpha-melanocyte-stimulating hormone (alpha-MSH) studied for melanocortin-receptor activity in pigmentation and behavioral research.

  • Synthetic cyclic analog of alpha-MSH
  • Non-selective melanocortin-receptor (MC1R/MC3R/MC4R) agonist
  • Studied in pigmentation and melanocortin-pathway research
  • Supplied strictly as a research-grade reference material

Research Applications

Studied in preclinical research models · not for human use

Melanogenesis research

Studied for MC1R-driven melanin synthesis in pigmentation models.

Melanocortin-pathway studies

Examined as a tool to probe MC3R/MC4R central signaling.

Behavioral models

Investigated for melanocortin effects on appetite and arousal pathways in animals.

Receptor-characterization research

Used as a broad melanocortin agonist in receptor studies.

Proposed Mechanisms

Preclinical · proposed pathways

Melanocortin agonism

Activates melanocortin receptors as a non-selective alpha-MSH analog.

MC1R / melanogenesis

MC1R activation stimulates melanin production in melanocytes.

MC4R central effects

MC4R engagement is studied for central appetite and arousal signaling.

Enhanced stability

The cyclic structure improves stability versus native alpha-MSH.

Mechanisms described above are drawn from preclinical (cell and animal) research and, where noted, early clinical literature. They are provided for educational context and should not be read as clinical or therapeutic claims.

Sources & References

Peer-reviewed research

Quality Verification cGLP · USP

Third-party tested by Analytical Formulations, Inc.
LATEST6-PANELSELECTED DOSAGE
99.7%
PURITY
Passed full 6-panel
View COA
VariantMelanotan II 10mg
Lot #
Labeled10mg
Actual10.62mg
TestedApr 14, 2026
FULL 6-PANEL6× tested
Qualitative IDLambda MaxConfirmed
Percent PurityCorr. Coeff.99.7%
Quantitative AssayBeer-Lambert10.62mg
Heavy MetalsTotal Quantity<20 ppb
TAMCAerobic Count0 CFU
TYMCYeast & Mold0 CFU
cGLP · USP Standards

Storage & Handling

Stability information
Protect from direct lightAvoid repeated freeze/thaw cyclesReconstitute before use
Lyophilized (powder)
-20°C · 24+ months
Reconstituted
2–8°C · ~30 days

Molecular Profile

Technical specifications
Vial Size10mg
ClassCyclic α-MSH analog (melanocortin agonist)
Molecular FormulaC50H69N15O9
Molecular Weight1024.18 g/mol
CAS Number121062-08-6
Purity≥99% (HPLC)

Frequently Asked Questions

Melanotan II
Is Melanotan II for human use?
No. It is supplied strictly as a research-grade reference material for laboratory use, not for human or animal consumption.
How does Melanotan II relate to alpha-MSH?
It is a synthetic, more stable cyclic analog of the natural hormone alpha-MSH and engages the same melanocortin receptors.
What purity is the material?
Each batch is independently tested and ships with a batch-specific Certificate of Analysis at greater than or equal to 99% purity by HPLC.
How is it stored?
Store lyophilized at -20°C; after reconstitution, refrigerate at 2-8°C and avoid repeated freeze-thaw cycles.

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