PT-141
10mg49,99 € incl. VAT
A cyclic heptapeptide melanocortin receptor agonist, also known as bremelanotide. Studied in the literature for its activity at melanocortin receptors in the central nervous system.
In stock
Delivery in 2–5 working days · Free EU shipping over 300 €
Batch-level quality proof
Every research peptide is supplied as a sealed, clearly labelled vial. Where a production lot has been tested, its Certificate of Analysis information and purity results are published online, not shipped as research paperwork in the parcel.
Sealed vial
Clear label, lot traceability, protective packaging.
Certificate of Analysis per tested lot
Listed report available for batch XD-P41-PO07. Purity shown: > 99.8%.
RUO boundary
Not for human or veterinary use, no protocol or dosing advice.
When this product is not suitable: Do not order for personal use, clinical use, injection, compounding, resale as a supplement, or any project that requires a specific assay not shown for the relevant batch.
Product specifications
| Quantity | 10mg |
|---|---|
| Unit | 1 Vial |
| Purity data | >99.8% (batch XD-P41-PO07) |
| Salt form | Acetate |
| Sequence | Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH |
| Molecular mass | 1025.18 |
| CAS number | 189691-06-3 |
| Solubility | Soluble in water |
Description
Research Use Only. This material is supplied for in-vitro laboratory research by qualified professionals. It is not a medicine, supplement, cosmetic ingredient or veterinary product, and it is not for human or animal consumption. The research summary below describes published scientific literature; it is not a claim of effect, benefit or suitability for any person.
PT-141 (bremelanotide) is a lab-made MC-4R agonist, developed from Melanotan 2. Its activity is tied to melanocortin pathways in the central nervous system, not to peripheral blood-vessel dilation. Supplied as lyophilised material for in-vitro laboratory research.
Research context
Published research looking at PT-141 generally sits in a few areas: its central mode of action, reproductive signaling, and broader melanocortin receptor work.
The product is intended for scientific research and development purposes only. Chemical substances shall not be used as a drug, medicine, active substance, medical aid, cosmetic product, a substance for production of a cosmetic product neither for human consumption that is any food or food supplement or otherwise similarly used on humans or animals. Intended only for in-vitro research, such as Receptor-ligand binding studies, Enzyme activity assays, Cell proliferation assays, Cell signaling assays, Epitope mapping, etc. Do not order for personal use, clinical use, injection, compounding, resale as a supplement, or any project that requires a specific assay not shown for the relevant batch.
Frequently asked questions
What is PT-141 used for in research?
PT-141 is a research compound studied in preclinical and in-vitro literature. Peptra Labs supplies it strictly for laboratory research use only, not for human or veterinary use.
Can I buy PT-141 in Europe from Peptra Labs?
Peptra Labs supplies PT-141 to European laboratory buyers. Orders contain a sealed, clearly labelled vial, with EU shipping and online Certificate of Analysis information for each lot that has been tested. No physical Certificate of Analysis or research papers are promised inside the parcel.
Does PT-141 have a Certificate of Analysis?
Where a lot of PT-141 has been tested, its Certificate of Analysis information is published in the Peptra Labs lab reports archive. Use the online report to review the batch number, HPLC purity data, test method, and source link, then compare the batch information with the vial label. If no report is listed for your lot, none has been published yet.
What purity signals should I check for PT-141?
Check the vial label, batch number, available HPLC purity data, Certificate of Analysis source, supplier identity, storage guidance, and the absence of human-use claims. A useful supplier page should make these checks clear instead of relying on generic purity promises.
How is PT-141 stored in research labs?
Keep PT-141 sealed, protected from light and stored as stated on the label for long-term laboratory storage. After laboratory preparation for in-vitro work, follow your institution's validated handling procedure.
Human or veterinary use?
No. PT-141 from Peptra Labs is supplied strictly as laboratory research material and must not be used as a human or veterinary product.
Batch test records
2 test records published for this compound. Check the batch number on your vial against the list below.
- Tested
- September 8, 2026
- Assay
- Purity, Endotoxin
- Purity
- >99.8%
- Tested
- July 24, 2026
- Assay
- Purity
- Purity
- 99.954%
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