PT-141 20mg
PT-141 (Bremelanotide) 20mg is a synthetic research peptide developed from the Melanotan II structure. It is a melanocortin receptor agonist, known for its interaction with MC3R and MC4R receptors in the central nervous system, making it a valuable compound in neuroendocrine, behavioral, and receptor-binding research.
At West Lab Chemicals, we supply PT-141 20mg as a high-purity lyophilized peptide suitable for advanced scientific studies. Each batch is ≥99% pure, confirmed by HPLC and LC-MS analysis, and includes a Certificate of Analysis (COA) for full transparency and reproducibility.
What is PT-141 (Bremelanotide)?
PT-141 (Bremelanotide) is a synthetic cyclic heptapeptide derived from α-Melanocyte Stimulating Hormone (α-MSH). Unlike other melanocortin analogs such as MT-II, PT-141 does not affect pigmentation, focusing instead on melanocortin receptor activation in the brain.
In laboratory research, PT-141 is used to explore:
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Melanocortin receptor pharmacology (MC3R and MC4R)
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Neuroendocrine signaling and hormonal regulation
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Behavioral and mood-related mechanisms
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Dopamine-mediated pathways
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Receptor agonist–antagonist interactions
Its unique receptor selectivity makes PT-141 a powerful model compound in neuroscience and receptor-binding research.
Key Features
✅ High Purity (≥99%) – Verified through HPLC and LC-MS analysis
✅ Research Grade Only – For laboratory and biochemical studies
✅ Stable Lyophilized Form – Ensures long-term stability and usability
✅ Reproducible Results – Consistent quality across experiments
✅ COA Included – Certificate of Analysis and batch documentation provided
Scientific Applications
PT-141 20mg is widely utilized across diverse areas of scientific research, including:
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Neuroendocrine Studies: Examining brain receptor activity and hormonal response pathways
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Behavioral Neuroscience: Exploring peptide influence on motivation and emotional regulation
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Receptor Binding Research: Studying MC3R and MC4R receptor agonism and downstream signaling
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Cognitive & Hormonal Research: Analyzing peptide-mediated neurotransmitter modulation
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Pharmacological Modeling: Evaluating peptide-receptor interaction profiles for drug discovery
Benefits for Researchers
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Consistent and reliable peptide quality (≥99% purity confirmed)
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Analytical documentation (HPLC, LC-MS, COA) provided for each batch
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Supplied in stable lyophilized form for extended storage
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Produced under ISO and GMP-equivalent laboratory conditions
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Ideal for receptor, behavioral, and neurochemical studies
Handling & Storage
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Form: Lyophilized peptide powder
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Storage Temperature: 2–8 °C (short-term); –20 °C (long-term)
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Reconstitution: Dissolve in sterile water or phosphate-buffered saline (PBS) under aseptic conditions
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Shelf Life: Up to 24 months under proper storage
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Safety: Laboratory use only. Use gloves, eye protection, and handle with care.
Why Buy PT-141 from West Lab Chemicals
At West Lab Chemicals, we are a trusted global supplier of research-grade peptides and biochemical compounds, known for our quality, consistency, and transparency.
When you order PT-141 (Bremelanotide) 20mg, you benefit from:
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≥99% verified purity (HPLC/LC-MS tested)
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Certificate of Analysis (COA) and batch traceability
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ISO 9001 and GMP-equivalent quality systems
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Competitive pricing for academic and institutional orders
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Fast, temperature-controlled global shipping
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Dedicated support from peptide specialists
We ensure each product meets international research standards for precision, reproducibility, and safety.
Purity & Quality Assurance
Every vial of PT-141 20mg undergoes multi-stage analytical validation, including:
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HPLC Purity Testing (≥99%)
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LC-MS Molecular Verification
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Sterility & Endotoxin Screening (as applicable)
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Batch Traceability & COA Documentation
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Final Quality Control Certification prior to dispatch
Manufactured in ISO 9001-certified, GMP-equivalent laboratories for scientific reliability.
Legal & Research Disclaimer
PT-141 (Bremelanotide) 20mg is supplied strictly for laboratory research use only.
It is not intended for human or veterinary consumption, medical treatment, or cosmetic use.
Researchers must comply with institutional and local safety regulations when handling this compound.

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