PT-141
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PT-141

PT-141 is a synthetic peptide derived from Melanotan II and acts as a melanocortin receptor agonist, particularly at MC3R and MC4R. It is studied in research exploring neuroendocrine pathways, sexual-function signaling, and CNS activity. Shipped in freeze-dried (lyophilized) form; requires reconstitution.

$44.99

Size

Quantity

1
In stock

For research use only. Not for human consumption. By purchasing you confirm you are using this product for lawful laboratory research.

$44.99

Specifications

Sequence
Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-OH
Molecular formula
C50H68N14O10
Molecular weight
1025.2 g/mol
CAS number
189691-06-3
PubChem CID
9941379
Synonyms
Bremelanotide, Vyleesi
Shelf life
36 months
Storage & handling
Store lyophilized at -20 degrees C, protected from light and moisture; after reconstitution with bacteriostatic water, store at 2-8 degrees C.

Certificate of Analysis

  • Batch PT141-2026-001Current

    Issued May 15, 2026

    COA (PDF)

Every batch is documented with its own Certificate of Analysis.

What every COA covers

  • Identity confirmed by mass spectrometry (MS)
  • Purity measured by high-performance liquid chromatography (HPLC)
  • Batch / lot number, issue date, and storage guidance

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