What Is PT-141?
A melanocortin receptor agonist studied for MC3R/MC4R signaling in research models.
01Definition
PT-141 is a wellness research compound. A melanocortin receptor agonist studied for MC3R/MC4R signaling in research models. It is also known as Bremelanotide.
Sequence · Ac-Nle-cyclo(-Asp-His-D-Phe-Arg-Trp-Lys)-OH
02Research Mechanism
PT-141 (bremelanotide) is a cyclic heptapeptide analog of α-MSH that acts as an agonist at the melanocortin receptors, principally MC3R and MC4R. Research models study its central-nervous-system melanocortin-pathway signaling.
Research framing only · No human-use claims
03Key Facts
| Classification | Wellness |
| Molecular weight | 1,025.2 g/mol |
| Also known as | Bremelanotide |
| Purity spec | ≥99% HPLC |
| Verification | MZ Biolabs · 5-panel |
| Use | Research Use Only |
04FAQ
What is PT-141?
PT-141 is a wellness research compound. A melanocortin receptor agonist studied for MC3R/MC4R signaling in research models. It is also known as Bremelanotide. It is supplied strictly for laboratory research use.
What class of compound is PT-141?
PT-141 is categorized as Wellness and is studied alongside related compounds in that research area.
What is the molecular weight of PT-141?
PT-141 has a molecular weight of 1,025.2 g/mol.
How is PT-141 tested?
Every Ethos Bio lot of PT-141 is analyzed by an independent third-party laboratory (MZ Biolabs, Arizona) on a five-point panel — HPLC purity, mass-spec identity, endotoxin, heavy metals, and sterility — with a batch-specific Certificate of Analysis.
View PT-141 product → · Full monograph → · Molecular weight →