PT-141 (research name bremelanotide) is a synthetic cyclic heptapeptide and a metabolite of melanotan II, acting as a melanocortin-receptor agonist. It is supplied as a lyophilized powder for laboratory use.
Research context
In published literature, PT-141 is studied in the context of melanocortin-receptor (e.g., MC3R/MC4R) pathway research using in-vitro and preclinical models. Glow Peptides supplies PT-141 strictly as a reference material for such in-vitro and preclinical research. It is not a therapeutic product and is not for human or veterinary use.
Handling & storage
PT-141 is supplied lyophilized (freeze-dried). General laboratory handling practice for research materials of this type:
- Sealed vials: store lyophilized powder cold and away from light; long-term storage is typically in a freezer. Keep the vial sealed until the material is needed for analysis.
- Documentation: record the lot number and its Certificate of Analysis for your records.
Quality & testing
Check the lot documents shown for the selected material and match the report lot number to your label. Documentation may be missing or held for clarification. A document on file does not itself establish independent analytical review, identity, purity, or sterility. Read the specific report for its methods, findings, and limitations; contact us to check availability if your lot is not listed.
You can search any lot and view its documentation on our Quality & COA verification page, and learn what the numbers mean in how to read a Certificate of Analysis. Our published customer rating is 4.6 on Trustpilot.
PT-141 is a research reference material. Check lot-specific document availability and the reported methods and findings.
View PT-141 on the store →Frequently asked questions
Is PT-141 intended for human use?
No. PT-141 is supplied strictly as a reference material for in-vitro laboratory and preclinical research. It is not a drug or supplement and is not for human or veterinary use.
How is PT-141 tested for purity?
Check the lot documents shown for the selected material and match the report lot number to your label. Documentation may be missing or held for clarification. A document on file does not itself establish independent analytical review, identity, purity, or sterility. Read the specific report for its methods, findings, and limitations; contact us to check availability if your lot is not listed.
How should PT-141 be stored?
Sealed lyophilized vials are stored cold and away from light, typically frozen for long-term storage. Keep vials sealed until the material is needed for analysis.