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Melanotan II
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Research Use Only - All products are intended solely for laboratory research and are not for human or animal consumption. By purchasing, the buyer agrees to use these products in compliance with all applicable laws.
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Melanotan II
Overview
Melanotan II (MT-2) is a synthetic cyclic heptapeptide, structurally analogous to alphamelanocyte-stimulating hormone (α-MSH). It functions as a non-selective agonist of melanocortin receptors. Research has explored its influence on melanocortin receptor activity and its role in stimulating melanin synthesis, which contributes to skin pigmentation.
History
Melanotan II was developed as a synthetic analog of alpha-melanocyte-stimulating hormone (α-MSH) in the late 20th century. Early research focused on its potent melanogenic properties, leading to investigations into its potential for inducing skin pigmentation. Subsequently, studies expanded to explore its broader effects, including its influence on sexual function and metabolic regulation.
Melanotan II
Structure

Molecular Formula:
C50H69N15O9
Molecular Weight:
1024.2 g/mol
PubChem ID:
92432
Research Findings
Melanotan II has been investigated for its diverse effects mediated through melanocortin receptors. Studies have explored its role in stimulating melanogenesis, influencing sexual function, and modulating metabolic processes. Its broad activity profile suggests potential experimental utility across various physiological systems.
Key Areas of Research:
Pigmentation: Melanogenesis, skin tanning, melanin synthesis
Sexual Function: Erectile function, libido, sexual arousal
Metabolic: Food intake, energy expenditure, glucose homeostasis
Neurological: Appetite regulation, neuroprotection, reward pathways
Collectively, these findings highlight Melanotan II’s multifaceted interactions with the melanocortin system. Its observed effects on pigmentation, sexual function, and metabolism provide a foundation for further research into melanocortin receptor pharmacology and its physiological implications.
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All products are for research use only. Third-party testes for 99%+ purity.






