Cellular Peptide

PT-141

Bremelanotide

Vyleesi

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

A 7-amino acid cyclic peptide analog of alpha-MSH that activates melanocortin receptors MC3R and MC4R, FDA-approved for hypoactive sexual desire disorder and studied for sexual function in clinical research. Premium Research Peptide.

Certificate of Analysis

Third Party Tested by Freedom Diagnostics

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Compound Information

Technical specifications

🔬 Molecular Profile

What Is PT-141?

Cyclic heptapeptide analog of alpha-MSH, active metabolite of Melanotan II

Cyclic Peptide

FDA Approved

Type
Cyclic heptapeptide
CAS Number
189691-06-3
Molecular Formula
C50H68N14O10
Molecular Weight
1025.2 g/mol
Amino Acids
7 residues
Sequence
Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-OH
🧊 Storage Requirements

Stability Information

Handle with care to maintain potency

Light sensitive

Refrigerate

Lyophilized (powder)

2-8°C • protect from light

Reconstituted

2-8°C • use within 30 days

Auto-injector (Vyleesi)

Room temperature

📋 Development Status

Regulatory Information

Developed by Palatin Technologies, approved by FDA

Developer
Palatin Technologies
Marketing
AMAG Pharmaceuticals
FDA Approval
June 21, 2019
Trade Name
Vyleesi
Indication
HSDD in premenopausal women
Male Use
Not approved (research only)

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