PT-141
PT-141, also known as bremelanotide, is a synthetic cyclic melanocortin peptide analogue. It is widely referenced in receptor-interaction research involving melanocortin signalling pathways and cyclic peptide chemistry.

Product Overview
PT-141, also known as bremelanotide, is a synthetic cyclic melanocortin peptide analogue. It is widely referenced in receptor-interaction research involving melanocortin signalling pathways and cyclic peptide chemistry. This material is supplied strictly as a high-purity laboratory research compound for qualified in vitro scientific investigation.
Product Specification
The following information is provided for research-catalogue and product specification purposes only. Batch-specific identity, purity, salt form and analytical values should be confirmed against the relevant Certificate of Analysis.
| What it is | PT-141, also known as bremelanotide, is a synthetic cyclic melanocortin peptide analogue. It is widely referenced in receptor-interaction research involving melanocortin signalling pathways and cyclic peptide chemistry. This material is supplied strictly as a high-purity laboratory research compound for qualified in vitro scientific investigation. |
|---|---|
| Sequence | Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH |
| Molecular weight | 1025.18 g/mol |
| Product family | Melanocortin peptide analogue |
| Research classification | Synthetic cyclic peptide; melanocortin receptor research compound |
| Form | Lyophilised powder |
| Appearance | White to off-white powder |
| Fill quantity | 10mg |
| Container type | Sterile sealed glass vial |
| Storage | Store dry, protected from light at -20°C. Avoid repeated freeze/thaw cycles after reconstitution. |
| Synonyms | PT-141; bremelanotide; Rekynda |
| CAS number | 189691-06-3; acetate forms may be listed separately |
| Molecular form / formula | C50H68N14O10 |
| Molecule form | Cyclic peptide; acetate/TFA salt COA-specific |
| Purity | Recommended product standard: >=98% by HPLC; confirm by batch COA |
| Analysis method | HPLC and LC-MS / MS confirmation |
Certificate of Analysis
Each compound is accompanied by third-party analytical documentation where available. Certificates confirm purity, identity and chromatographic analysis against the supplied batch.
Shipping Information
Orders are typically processed within 1–2 business days of confirmed payment. Estimated delivery within Greece is 1–3 business days after dispatch; international (EU) delivery is typically 5–10 business days. All shipping is tracked and discreet.
Storage & Handling
Store dry, protected from light at -20°C. Avoid repeated freeze/thaw cycles after reconstitution.
| Form | Lyophilised powder |
|---|---|
| Appearance | White to off-white powder |
| Container type | Sterile sealed glass vial |
| Storage & Handling | Store dry, protected from light at -20°C. Avoid repeated freeze/thaw cycles after reconstitution. |
Research-Use-Only Notice
All products are supplied by Greek Peptides for research use only. They are not licensed as pharmaceuticals and are not promoted as, or intended to diagnose, treat, cure, prevent or mitigate any disease or medical condition in humans or animals. They are not intended for human or animal consumption and are not intended for cosmetic, nutritional or recreational use.
By purchasing, the purchaser confirms that they are a qualified individual acting for legitimate research purposes only and accepts our Terms and Conditions and Research Use Policy.
Greek Peptides supplies research-grade peptides to laboratories and researchers across Greece and the EU, with tracked delivery in 1–7 working days and pricing in euros. Every compound ships with a batch-specific certificate of analysis and is sold strictly for research use only — not for human or veterinary use.




