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Every batch is rigorously tested to guarantee quality.
Join for 10% off + access to COA-backed compounds
Every batch is rigorously tested to guarantee quality.
All products are handled with strict quality standards to ensure consistent research-grade excellence.
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Our products are verified by independent third party laboratories to meet quality standards.
All product batches and lots are assigned unique identifiers and tied to publicly posted lab reports.
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$59.99
| Quantity | Discount | Price |
|---|---|---|
| 5 - 10 | 5% | $56.99 |
| 11 - 20 | 10% | $53.99 |
| 21+ | 15% | $50.99 |
Every batch of our research chemicals and peptides undergoes third-party testing.
Disclaimer: This product is intended solely for laboratory research purposes. It is not suitable for consumption by humans, nor for medical, veterinary, or household purposes. Kindly review our Terms & Conditions before making a purchase.
At every step, we prioritize quality by conducting rigorous third-party testing on all our products. These tests focus on five key characteristics — identity, purity, sterility, endotoxin levels, and heavy metal content — ensuring that each product meets the highest standards of quality, with independent third-party Certificates of Analysis (COAs) to verify our commitment to excellence.
*Disclaimer: This product is intended solely for laboratory research purposes. It is not suitable for consumption by humans, nor for medical, veterinary, or household purposes.Kindly review our Terms & Conditions before making a purchase.
Order PT-141 10mg from Eternal Peptides, a trusted U.S. based supplier of research compounds verified by leading third-party labs with COAs. Each PT-141 10mg lot is independently tested for 99%+ purity and competitively priced, with free USPS Priority shipping on orders over $200. Sold for research use only.
| Property | Description |
| Name | PT-141 (Bremelanotide); synthetic cyclic heptapeptide melanocortin receptor agonist derived from α-MSH analog research |
| Sequence | Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH |
| Molecular Formula | C₅₀H₆₈N₁₄O₁₀ |
| Molecular Weight | ~1025.2 g/mol (free base; slight variation may occur depending on salt form) |
| PubChem CID | 9941379 |
| Product Form | Lyophilized powder in sterile research vials (e.g., 10mg per vial) |
| Purity | Typically ≥99%, verified through independent third-party analysis; lot-specific COA available |
| Solubility | Soluble in sterile water or bacteriostatic water for laboratory reconstitution; forms a clear solution when properly handled |
| Structure Type | Cyclic peptide with modified amino acids (including norleucine and D-phenylalanine) to enhance receptor stability and activity |
Proper handling and storage of PT-141 are essential to preserve structural integrity, receptor-binding reliability, and reproducibility in laboratory settings. As a cyclic synthetic peptide supplied in lyophilized form, it should be protected from temperature fluctuations, light exposure, and moisture prior to reconstitution.
Quality verification is essential for reproducible melanocortin receptor research. Every PT-141 product lot is accompanied by a lot-specific Certificate of Analysis (COA), ensuring analytical confirmation prior to distribution. Eternal Peptides partners with independent third-party laboratories, including Janoshik, to provide objective verification of identity, purity, and quality metrics.
Each COA typically includes:
All COAs are batch-specific, fully traceable, and accessible through the Lab Tests page to support research reproducibility, documentation standards, and audit compliance.
PT-141 is supplied by Eternal Peptides strictly for laboratory research use only. It is not approved for human or veterinary use, clinical administration, therapeutic application, or diagnostic procedures of any kind. The safety, efficacy, and pharmacological effects of this compound in humans or animals have not been fully established outside approved regulatory contexts.
Purchasers and end users are solely responsible for ensuring compliance with all applicable local, state, and federal laws, as well as institutional biosafety standards and research-use regulations. Misrepresentation of the intended use of this product may result in regulatory enforcement actions or legal consequences.
