PT-141 (Bremelanotide) is a synthetic melanocortin receptor agonist studied in receptor pharmacology and neurological research models.
About PT-141
PT-141 is a cyclic heptapeptide melanocortin receptor agonist developed from Melanotan II. It acts on melanocortin receptors (MC1R, MC3R, MC4R) and has been extensively studied in receptor pharmacology and neurological research.
Research applications
Melanocortin receptor pharmacology
MC3R and MC4R binding studies
Neurological research models
Comparative melanocortin studies
Product name
PT-141
CAS number
189691-06-3
Purity
≥99.0% (HPLC verified)
Appearance
White to off-white lyophilized powder
Format
Lyophilized powder
Testing
HPLC, LC-MS, endotoxin
Accreditation
ISO/IEC 17025 third-party lab
Origin
GMP-certified synthesis facility
Storage guidelines
Lyophilized powder (unreconstituted)
Store at −20°C in original sealed vial, away from light and moisture
Stable for 24+ months under proper conditions
Allow vial to reach room temperature before opening to avoid condensation
After reconstitution
Store at −80°C; aliquot into single-use volumes to avoid freeze-thaw cycles
Use within 4–6 weeks of reconstitution when stored at −80°C
Specific lot stability data provided on your Certificate of Analysis.
Independent testing & verification
Every batch is tested by an independent ISO/IEC 17025-accredited laboratory before release — separate from our synthesis facility.
Tests performed
HPLC purity analysis — confirms ≥99.0% purity with full chromatogram