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PT-141 (10 Vials) · 10mg
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99%+ HPLC Purity — Independently verified by accredited US laboratory -
Endotoxin-Screened — LAL tested, LPS-free, endotoxin report available
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GMP-Certified Manufacturing — USA facility, ISO 9001:2015
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Lyophilized for Stability — Shipped cold-packed, intact for reconstitution
Molecular Weight
Third Party Tested
APPLICATION
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Purity (HPLC)
99%+ Third Party Verified
Manufacture
USA / GMP
4.9 847 verified reviews
PT-141 (10 Vials) · 10mg
Total Price
$862.42
Discounted Price
$517.45
Vials
You Save
$344.97
40% OFF
📈 Upgrade to 10 vials and save an extra vs. buying 5 — nearly 3 free vials.
Select Purchase Option:
-
99%+ HPLC Purity —
Independently verified by accredited US laboratory
-
Endotoxin-Screened —
LAL tested, LPS-free, endotoxin report available
-
GMP-Certified Manufacturing —
USA facility, ISO 9001:2015
-
Lyophilized for Stability —
Shipped cold-packed, intact for reconstitution
Molecular Weight
Third Party Tested
APPLICATION
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Purity (HPLC)
99%+ Third Party Verified
Manufacture
USA / GMP
PT-141, scientifically referred to as Bremelanotide, is a synthetic peptide developed through extensive structural modification of the naturally occurring alpha-melanocyte-stimulating hormone (α-MSH). This peptide has gained considerable interest within laboratory environments due to its interaction with melanocortin receptors, most notably MC1R, MC3R, and MC4R. These receptors play essential roles in neuroendocrine regulation, melanocortin pathway mapping, immunomodulatory activity, and behavioral response modulation within controlled studies.
This 10mg lyophilized peptide format is commonly selected in laboratory settings due to its stability, purity potential, and compatibility with precise experimental design. Through the use of advanced manufacturing and purification protocols, research-grade PT-141 enables controlled observations essential for neurochemical, behavioral, and receptor-specific investigations.
This formulation is manufactured as a High Purity, LPS-free peptide, supporting research environments that require minimized interference from bacterial contaminants. As an Endotoxin-free peptide, PT-141 is suitable for sensitive in-vitro and analytical studies where endotoxin presence could compromise experimental integrity. Additionally, all batches are research peptides endotoxin tested, ensuring quality control standards aligned with rigorous laboratory research requirements.
This product is intended strictly for research and laboratory use only. Not for human or animal use.
PT-141 Overview
PT-141 is a synthetic melanocortin-related peptide used in laboratory research to study receptor binding interactions and downstream cellular signaling pathways. Research investigations may examine how melanocortin receptors respond to peptide ligands and how these interactions influence signaling cascades in controlled experimental systems. This compound is supplied strictly for laboratory research use. It is not approved for human or animal use.
Research Context
Laboratory studies involving PT-141 focus on receptor interaction analysis, peptide structure-function relationships, and melanocortin signaling pathways. These references describe areas of scientific investigation only and do not represent therapeutic, diagnostic, or clinical claims. This material is supplied exclusively for controlled laboratory research.
PT- 141 : Structure
Peptide Sequence: Ac-Nle-Asp(1)-His-D-Phe-Arg-Trp-Lys(1)
Molecular Formula: C₅₀H₆₈N₁₄O₁₀
Molecular Weight: 1025.182 g/mol
PubChem CID: 9941379
CAS Number: 189691-06-3
Source: PubChem
Research-Grade PT-141
PT-141 is provided as a research grade peptide for scientific study in controlled laboratory environments. Investigators use this material to examine peptide-receptor interactions, signaling pathway responses, and experimental assay development related to melanocortin receptor systems. Any references to biological processes are presented strictly for research context.
Key Research Insights and Laboratory Applications
1. Direct Interaction with Melanocortin Receptors
PT-141’s selective receptor affinity allows researchers to examine the role of MC3R and MC4R receptors in modulating behavioral and neuroendocrine responses. These receptors have been linked to appetite regulation, energy balance, motivational signaling, and stress-related pathways.
Laboratory exploration often involves:
- Mapping receptor binding profiles
- Assessing CNS response patterns
- Evaluating melanocortin system activation
- Observing changes within neural circuits in research models
2. Not a PDE-5 Modulating Compound
PT-141 differs from phosphodiesterase type-5 (PDE-5) modulators traditionally used in cardiovascular or vascular dilation research. Instead of altering blood flow or vascular pressure, PT-141 influences signaling pathways within the brain, enabling researchers to:
- Study central arousal mechanisms
- Observe dopamine-linked neural responses
- Explore alternative pathways affecting motivation or behavioral outcomes
- Investigate CNS-mediated peptide activity without vascular interference
This distinction is a primary reason PT-141 is widely utilized in studies aiming to isolate brain-based signaling from cardiovascular variables.
3. Research Potential Across a Broad Range of Scientific Fields
Studies often involve experimental subjects or in-vitro models to analyze:
- Neuroendocrine dysfunctions
- Behavioral response modulation
- Stress-induced neural changes
- Hormonal pathway interactions
- CNS mapping related to arousal or motivation mechanisms
Because of its strong receptor-based selectivity, PT-141 is frequently incorporated into experimental setups evaluating dose responsiveness, receptor desensitization, cross-pathway interactions, and behavioral shifts.
4. Research-Grade Purity and Stability
PT-141 10mg is typically provided as a lyophilized powder, allowing researchers to benefit from:
- Extended stability
- Consistent sample integrity
- Controlled reconstitution
- Precision when designing dose-dependent protocols
Advanced lyophilization, purification, and packaging techniques help maintain peptide quality, supporting reproducible data collection and experimental reliability.
How PT-141 Is Utilized in Scientific Research
In controlled laboratory studies, PT-141 is examined for:
- CNS activity mapping
- Behavioral response testing
- Receptor pathway signaling
- Melanocortin system investigation
- Endocrine and neurochemical interaction profiling
- Dose-response and receptor affinity analysis
- Structure-function characterization
Many experimental designs focus on observing how PT-141 influences neural pathways, peptide-receptor dynamics, and behavioral outcomes in research subjects, while ensuring all studies follow proper laboratory safety and handling protocols.
Why Laboratories Choose Licensed Peptides for PT-141 10mg?
Licensed Peptides provides research facilities with PT-141 prepared under strict quality standards to support experimental reliability. Operating within the United States, the company offers:
- High research-grade purity
- Secure, U.S.-based storage and handling
- Professional packaging to protect vial integrity
- Fast and reliable order fulfillment
- A smooth procurement process via secure online checkout
- Support for major credit and debit card transactions
Facilities selecting Licensed Peptides ensure timely availability of materials for ongoing scientific work, minimizing disruption to research schedules.
Frequently Asked Questions (Research-Focused Only)
1. What is PT-141?
PT-141 is a synthetic research peptide derived from α-MSH, provided in a 10mg lyophilized format for laboratory studies exploring melanocortin signaling, CNS responses, and behavioral pathways.
2. How is PT-141 different from PDE-5 pathway compounds?
PDE-5 modulators primarily influence vascular function. PT-141 interacts with melanocortin receptors within the brain, making it suitable for studying CNS-driven mechanisms independent of peripheral blood-flow variables.
3. Does PT-141 influence cardiovascular metrics in research?
Its primary activity is CNS-based. Any cardiovascular observations in research subjects should be measured and documented according to laboratory protocol.
4. What form is PT-141 supplied in?
It is provided as a lyophilized peptide powder to support stability and controlled reconstitution for experimental use.
5. What is known about PT-141’s safety profile?
Safety information stems only from controlled research data. PT-141 is not approved for human or animal use and should be handled exclusively in laboratory environments using established safety procedures.
6. How long does PT-141 take to show measurable effects in research subjects?
Research data suggest measurable responses within several hours, depending on dosage, model type, method of administration, and experimental parameters.
7. Why PT-141 is considered distinct among research peptides?
Its direct CNS-targeted mechanism sets it apart from peptides that influence peripheral pathways, making it particularly valuable for investigations centered on neurological and behavioral regulation.
8. What does LPS-free peptide mean for PT-141 research?
An LPS-free peptide indicates that PT-141 has been processed to minimize lipopolysaccharide contamination, which is essential for laboratory studies where immune activation or assay interference must be avoided.
9. Why is PT-141 classified as an Endotoxin-free peptide?
As an Endotoxin-free peptide, PT-141 meets stringent purity thresholds designed for research settings that require reduced inflammatory artifacts, supporting cleaner and more reliable experimental observations.
10. Are research peptides endotoxin tested for this product?
Yes. PT-141 10 mg is supplied as research peptides endotoxin tested, ensuring quality verification prior to use in receptor analysis, signaling pathway studies, and other controlled laboratory experiments.
11. Why is a high-purity formulation important for PT-141 research?
A High Purity PT-141 formulation supports reproducibility and accuracy in experimental design by reducing the presence of synthesis byproducts that could interfere with melanocortin receptor interactions or CNS-focused research outcomes.
PT-141 : Research Areas
PT-141 is used in experimental research investigating:
- melanocortin receptor signaling
- peptide-receptor interaction dynamics
- intracellular signaling pathway analysis
- peptide stability and structure-function relationships
- experimental assay development
All references to biological systems are provided solely for scientific context and do not imply medical, therapeutic, or clinical applications.
Laboratory Investigation
In research settings, PT-141 may be examined for its interaction with receptor-mediated signaling systems and downstream cellular response pathways. These studies focus on molecular and biochemical mechanisms within controlled experimental models. This compound is supplied strictly for laboratory research purposes and is not intended for human or veterinary use.
Referenced Citations
ALL ARTICLES AND PRODUCT INFORMATION PROVIDED ON THIS WEBSITE ARE FOR INFORMATIONAL AND EDUCATIONAL PURPOSES ONLY.
The products available on this website are intended solely for in-vitro research purposes (Latin: “in glass”), meaning they are used in experiments conducted outside a living organism. These products are not medicines or drugs, have not been evaluated or approved by the U.S. Food and Drug Administration (FDA), and are not intended to diagnose, treat, cure, or prevent any disease or medical condition. Any administration to humans or animals, whether by ingestion, injection, or other means, is strictly prohibited by law.
Research
Our peptides are produced exclusively for laboratory and scientific research purposes.
Licensed Peptides™ products are developed using industry-standard synthesis and purification protocols, making them suitable for in vitro research, analytical testing, and experimental models.
Research-Grade Standards
- Synthesized via Solid Phase Peptide Synthesis (SPPS)
- Purified using advanced HPLC methods
- Verified through analytical quality control processes
- Screened for heavy metals and endotoxins
Consistency Across Batches
Strict process controls ensure reproducibility, allowing researchers to work with confidence across experiments.
Applications
Our peptides are commonly used in research involving:
- Cellular signaling pathways
- Tissue remodeling and repair mechanisms
- Extracellular matrix regulation
- Molecular biology and biochemical studies
Important Notice
All products are intended for research use only and are not for human or animal consumption, therapeutic use, or clinical application.
Why Buy From Us
At Licensed Peptides™, quality isn’t a claim. it’s a controlled, repeatable process.
Every peptide we produce follows a strict, pharma-grade workflow designed to ensure purity, stability, and consistency from synthesis to delivery.
What sets us apart:
ISO-Certified Cleanroom Manufacturing
All peptides are synthesized in sterile, controlled environments to eliminate contamination risk and ensure batch consistency.
>99% Verified Purity (HPLC Tested)
We use advanced High-Performance Liquid Chromatography (HPLC) to separate and verify peptide purity with precision.
Comprehensive Safety Testing
Each batch undergoes heavy metal and endotoxin screening to ensure it is free from hidden contaminants.
Pharma-Grade Raw Materials
We start with rigorously tested amino acids and reagents, ensuring integrity at the molecular level.
Lyophilized for Stability
Freeze-dried peptides maintain long-term stability, potency, and reliability for research applications.
Nitrogen-Sealed Vials
Every vial is protected from oxygen and moisture, preserving structural integrity during storage and transit.
Built for Serious Research
From synthesis to delivery, every step is engineered to meet the expectations of professionals who require accuracy, consistency, and reliability.
Shipping
We understand that timing and product integrity are critical for research.
Same-Day Shipping (USA)
All in-stock orders placed before our daily cutoff are shipped the same day from within the United States.
Fast Domestic Delivery (1–3 Days)
We use expedited carriers to ensure your peptides arrive quickly and reliably nationwide.
Cold Chain Protection
Products are stored in industrial-grade freezers prior to shipment to maintain stability and purity.
Secure & Protective Packaging
Each order is carefully packed to protect against temperature fluctuations, moisture exposure, and physical damage during transit.
Real-Time Tracking
You’ll receive tracking information immediately upon shipment so you can monitor delivery progress.
Consistency You Can Rely On
No long international delays, no customs issues. Just fast, dependable delivery from a U.S.-based operation.
Storage Instructions:
All of our products are manufactured using the Lyophilization (Freeze Drying) process, which ensures that our products remain 100% stable for shipping for up to 3-4 months.
Once the peptides are reconstituted (mixed with bacteriostatic water), they must be stored in the fridge to maintain stability. After reconstitution, the peptides will remain stable for up to 30 days.
Lyophilization is a unique dehydration process, also known as cryodesiccation, where the peptides are frozen and then subjected to low pressure. This causes the water in the peptide vial to sublimate directly from solid to gas, leaving behind a stable, crystalline white structure known as lyophilized peptide. The puffy white powder can be stored at room temperature until you’re ready to reconstitute it with bacteriostatic water.
Once peptides have been received, it is imperative that they are kept cold and away from light. If the peptides will be used immediately, or in the next several days, weeks or months, short-term refrigeration under 4C (39F) is generally acceptable. Lyophilized peptides are usually stable at room temperatures for several weeks or more, so if they will be utilized within weeks or months such storage is typically adequate.
However, for longer term storage (several months to years) it is more preferable to store peptides in a freezer at -80C (-112F). When storing peptides for months or even years, freezing is optimal in order to preserve the peptide’s stability.
For further information on proper storage techniques, click the link below:
Peptide Storage
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