STATED PURITY ≥99% PT-141 (Bremelanotide)
Melanocortin Agonist · MW: 1025.2 Da
A cyclic melanocortin receptor agonist peptide. Researched for melanocortin receptor pharmacology and central nervous system signaling pathways. Stated purity ≥99%.
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US only · Ships within 1 business day · Discreet packaging
Request lot COA (Certificate of Analysis)Specifications
| Stated purity | ≥99% (target) |
|---|---|
| Molecular Weight | 1025.2 Da |
| Molecular Formula | C50H68N14O10 |
| Compound Type | Melanocortin Agonist |
| Form | Lyophilized powder |
| Sequence | Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH |
| Half-Life | ~2.7 hours |
| Storage | -20°C lyophilized; 2–8°C reconstituted |
| Reconstitution | Reconstitute with bacteriostatic water |
Research Notes
- Cyclic heptapeptide analog of alpha-MSH targeting MC3R and MC4R receptors
- Central nervous system mechanism distinct from PDE5 inhibitors
- Studied in preclinical models of melanocortin-mediated central signaling
Overview (Research Use Only)
PT-141 (Bremelanotide) is a melanocortin agonist supplied by Sealed Peptides for laboratory and research use only. A cyclic melanocortin receptor agonist peptide. Researched for melanocortin receptor pharmacology and central nervous system signaling pathways. Stated purity ≥99%.
This product is not intended for human consumption, clinical administration, or any diagnostic, therapeutic, or preventive use. All handling should follow institutional laboratory policies for research chemicals.
Common questions
What does "research use only" mean?
This material is sold for laboratory and in-vitro research only. It is not for human or veterinary use, and we do not provide dosing guidance.
How should this vial be stored?
-20°C lyophilized; 2–8°C reconstituted
How fast does it ship?
Orders ship within 1 business day via USPS Priority Mail. Shipping is free on orders of $149 or more; otherwise it is $14.99. US only.
Can I get the Certificate of Analysis for my lot?
Use "Request lot COA" on this page and include your lot or order number. We will send the lot-specific COA / analytical data on file for your lot, when available.