PT-141
Cyclic Heptapeptide
PT-141 (Bremelanotide) is a synthetic melanocortin receptor agonist derived from Melanotan-2. Unlike other melanocortin peptides, PT-141 acts through central nervous system pathways rather than peripheral vascular mechanisms.
- MC3R/MC4R Agonism
- CNS Pathway Activation
- Melanocortin System
- Receptor Selectivity
Quantified findings reported in the literature
Published, peer-reviewed studies
PT-141: a melanocortin agonist for the treatment of sexual dysfunction
Characterization of PT-141's mechanism of action through melanocortin MC3R/MC4R receptor activation in central nervous system pathways.
View source on PubMed/DOI ↗Bremelanotide: an overview of preclinical CNS effects
View source on PubMed/DOI ↗
Third-party analytical reports
Certificates of Analysis from independent laboratories for products supplied by Stemcode. Reported values describe the analysed material; they are reported as documented and are distinct from the published literature above.
- Purity (HPLC)
- 98.486%
- Net content
- 4.08 mg/mL
- Lot
- PTN40MG-2501
- COA #
- 2604100408
- Report date
- 04/12/2026
- Purity (HPLC)
- 99.645%
- Net content
- 3.36 mg/mL
- Lot
- PTN40mg-2501
- COA #
- #86867
- Report date
- 11/10/2025
Stemcode supplies PT-141 as a research-grade compound for laboratory research use only — not for human or animal consumption.
View the research-grade product →