Where to Buy PT-141 – Premium Research Peptide
What Is PT-141?
PT-141, also known as bremelanotide, is a synthetic cyclic heptapeptide and melanocortin receptor agonist. It is an analog of alpha-melanocyte-stimulating hormone (α-MSH) studied for its activity at MC3R and MC4R receptors in the central nervous system. Unlike compounds that act primarily on vascular pathways, PT-141 is of research interest for its centrally mediated mechanism, directly activating neural pathways associated with sexual desire and arousal.
Research has demonstrated that PT-141 acts on melanocortin receptors in the brain, which may initiate and facilitate spontaneous penile erection through central nervous system pathways. A landmark clinical trial published in the Journal of Sexual Medicine via PubMed evaluated the effect of PT-141 on subjective sexual response in premenopausal women with sexual arousal disorder, establishing its relevance in sexual dysfunction research.
For researchers investigating neuroendocrine signaling, melanocortin receptor pharmacology, and central nervous system pathways, PT-141 represents a well-characterized research compound.
Product Specifications
| Feature | Specification |
|---|---|
| Peptide Name | PT-141 (Bremelanotide) |
| CAS Number | 189691-06-3 |
| Molecular Formula | C₅₀H₆₈N₁₄O₁₀ |
| Molecular Weight | 1025.18 g/mol |
| Purity | ≥99% (HPLC) |
| Form | Lyophilised powder |
| Available Dosage | 10mg per vial |
| Storage | -20°C (long-term) |
| For Research Use Only | Not for human consumption or clinical use |
Research Applications
Melanocortin Receptor Pharmacology
PT-141 is studied as a non-selective melanocortin receptor agonist with activity at MC3R and MC4R subtypes. According to research published in PubMed, melanocortin receptors play a significant role in penile erection through central mechanisms, providing a foundation for PT-141 research applications.
Central Nervous System Signaling
Unlike peripheral vascular agents, PT-141 crosses the blood-brain barrier to potentially act on pathways associated with sexual responsiveness. Research explores its role in neuroendocrine signaling and central neural pathway modulation. A comprehensive overview of PT-141 pharmacology is available through PubMed.
Behavioral-Response Models
Preclinical studies have examined melanocortin-induced behavioral responses. Research published in PNAS via PubMed demonstrated selective facilitation of sexual solicitation in female rat models by a melanocortin receptor agonist.
Energy Balance and Metabolism
Melanocortin receptors are involved in energy homeostasis regulation. Research has explored the role of MC4R in feeding behavior and metabolic pathways, providing additional context for PT-141 research applications.
Where to Buy PT-141
When searching for where to buy PT-141, researchers should prioritize suppliers that provide:
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Third-Party Testing: Certificates of Analysis (COA) verifying ≥99% purity through HPLC
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Transparent Sourcing: Clear documentation of manufacturing and quality control processes
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Research-Grade Standards: Products specifically designated for laboratory research use
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Discreet Shipping: Secure packaging to protect product integrity and privacy
Penguin Peptides Lab provides where to buy PT-141 with confidence, offering lab-tested compounds with third-party verification. Every batch of PT-141 undergoes rigorous quality control to ensure purity, potency, and consistency for research applications. The 10mg dosage per vial provides researchers with sufficient material for extended study protocols.
Quality and Purity
Each batch of PT-141 undergoes rigorous quality control testing to ensure:
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≥99% purity verified by HPLC
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Correct molecular weight confirmed by mass spectrometry
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Consistent peptide content validated by amino acid analysis
Certificates of Analysis (COA) are available upon request, providing full transparency for research applications. Regulatory information on bremelanotide is also available through the FDA.
Frequently Asked Questions
What is PT-141?
PT-141, also known as bremelanotide, is a synthetic cyclic peptide and melanocortin receptor agonist studied for its activity at MC3R and MC4R receptors in the central nervous system.
Where can I buy PT-141 for research?
You can buy PT-141 from reputable research peptide suppliers that provide third-party tested products with Certificates of Analysis. Penguin Peptides Lab offers lab-tested PT-141 with ≥99% purity verification and 10mg vials.
What dosage is available?
Our PT-141 is available in 10mg per vial, providing sufficient material for extended research protocols.
How does PT-141 work?
PT-141 acts as a melanocortin receptor agonist, activating MC3R and MC4R receptors in the central nervous system. Research suggests it may influence neural pathways associated with sexual desire and arousal through centrally mediated mechanisms.
Is PT-141 FDA-approved?
A specific branded formulation of bremelanotide (Vyleesi) received FDA approval in 2019 for a specific medical use. However, PT-141 sold as a raw or compounded research peptide is not an FDA-approved drug and is classified as a research compound.
What purity level can I expect?
Our PT-141 is provided at ≥99% purity, verified by HPLC.
How should PT-141 be stored?
PT-141 should be stored at -20°C for long-term stability. Lyophilised powder should be reconstituted according to standard laboratory protocols.
What is the CAS number for PT-141?
The CAS number for PT-141 is 189691-06-3.
References
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PubMed: An effect on the subjective sexual response in premenopausal women with sexual arousal disorder by bremelanotide (PT-141) – Clinical trial establishing PT-141 effects on sexual response
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PubMed: Melanocortin receptors, melanotropic peptides and penile erection – Mechanism of MC receptor activation in erectile function
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PubMed: PT-141: a melanocortin agonist for the treatment of sexual dysfunction – Overview of PT-141 pharmacology and therapeutic potential
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PubMed: Selective facilitation of sexual solicitation in the female rat by a melanocortin receptor agonist – Preclinical behavioral research
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FDA: Vyleesi (bremelanotide) Risk Assessment – Regulatory information on bremelanotide
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Method Peptides: PT-141 – Product specifications and CAS number
Conclusion
PT-141 is a well-characterized melanocortin receptor agonist for researchers investigating central nervous system signaling, neuroendocrine pathways, and melanocortin receptor pharmacology. When searching for where to buy PT-141, prioritize suppliers offering third-party tested products with verified purity and transparent documentation.
For researchers requiring a reliable, high-purity PT-141 for their studies, Penguin Peptides Lab provides lab-tested compounds with Certificates of Analysis available upon request. Our 10mg vials offer excellent value for extended research applications.
Ready to Advance Your Research?
Order premium PT-141 for your research today. Contact our team for COA requests or technical inquiries.




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