
PT-141
Third-Party Tested · COA Available- Certificate of Analysis available for every lot
- ≥99% purity, HPLC & mass-spec verified
- Ships from a U.S. facility — same-day before 2PM EST
- Secure checkout · Free shipping on orders $300+
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PT-141In your orderPT-141 is a cyclic heptapeptide analog of alpha-MSH acting mainly at melanocortin-4 receptors. It is used in research on central melanocortin signaling.
Common research applications include:
- Melanocortin-4 receptor research
- Central nervous system signaling models
- Receptor selectivity studies
Specifications
- Class: Melanocortin receptor agonist (bremelanotide)
- Form: lyophilized powder in a sealed glass vial
- Available sizes: 10 mg
- Purity: verified at 99% or higher by HPLC, identity confirmed by mass spectrometry
- Testing: every lot is third-party tested, with a lot-matched Certificate of Analysis available on request
- Manufactured in the USA
- Storage: keep sealed, cool, dry and away from light; refrigerate after reconstitution
For laboratory research use only. This product is not for human or veterinary use, is not a drug, food or cosmetic, and is not intended to diagnose, treat, cure or prevent any disease.
Frequently Asked Questions
Is PT-141 third-party tested?
Yes. Every lot is independently third-party tested for identity and purity — ≥99% by HPLC and mass spectrometry — with a lot-matched Certificate of Analysis available on request for every lot.
Can I see the Certificate of Analysis before buying?
Yes. Ask us for the lot-matched COA before you order and we will send it, documenting identity, purity, and full analytical results.
What does 'Research Use Only' mean?
This product is supplied strictly for laboratory and research use only (RUO). It is not a drug, food, supplement, or cosmetic, is not approved by the FDA, and is not intended to diagnose, treat, cure, or prevent any disease, or for human or veterinary consumption.
How is it shipped and stored?
Orders placed before 2PM EST typically ship the same business day from our U.S. facility with tracking. Store the lyophilized material at −20°C, protected from light and moisture.
Learn more about PT-141
From the research blog

What Is PT-141 (Bremelanotide)? A Melanocortin Receptor Agonist in Research
PT-141 (bremelanotide) is a cyclic heptapeptide melanocortin agonist derived from melanotan-2 and studied at MC1R, MC3R, MC4R.
Read the article →
Melanotan-1 vs Melanotan-2: Two Alpha-MSH Analogs Compared for Research
One is linear and thirteen residues long. The other is a cyclic heptapeptide. The difference in receptor selectivity follows directly from that.
Read the article →

