99%+ Purity
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PT-141 Atomized Solution 30ml
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Per vial: $42.58
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99% HPLC Purity
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-
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
4.9 847 verified reviews
PT-141 Atomized Solution 30ml
Total Price
$0.00
Discounted Price
$0.00
Packs
5 packs
You Save
$0.00
0% OFF
Select Strength (mg)
99% HPLC Purity
Select Packs
Bulk pricing applied
📈 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 Atomized Solution 30ml is supplied strictly for laboratory research use only. This material is intended for analytical and controlled research applications. It is not approved or intended for human or animal use, ingestion, dosing, or therapeutic application.
This product is not a nasal spray and is not manufactured, labeled, or offered for nasal or other human administration. It is not intended for ingestion, inhalation, injection, topical application, or introduction into the human or animal body by any route.
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 at a glance
| Molecular formula | C₅₀H₆₈N₁₄O₁₀ |
|---|---|
| Molecular weight | 1025.182 g/mol |
| CAS number | 189691-06-3 |
| PubChem CID | 9941379 |
| Form supplied | Lyophilized powder |
| Application | Research use only |
What is PT-141?
PT-141 is a research material used in laboratory studies of melanocortin receptor signaling, peptide structure, and experimental assay responses. Any references to biological activity are provided strictly for research context and must not be interpreted as claims of safety, efficacy, or intended human use.
What has preclinical research reported?
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
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.
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.
Research Context
In controlled laboratory settings, PT-141 may be used to investigate receptor affinity, neuroendocrine signaling, and experimental pathway responses. This product is supplied for research purposes only and is not offered for human or veterinary use.
Study references
Published studies on PT-141 are cited here for research context only. They describe experimental findings in cell, tissue, and animal models and do not imply therapeutic, diagnostic, or clinical benefit.
References
- Wessells H, Hruby VJ, Hackett J, Han G, Balse-Srinivasan P, Vanderah TW. Ac-Nle-c[Asp-His-DPhe-Arg-Trp-Lys]-NH2 induces penile erection via brain and spinal melanocortin receptors. Neuroscience. 2003;118(3):755-62. doi: 10.1016/s0306-4522(02)00866-7. PMID: 12710982. PMID 12710982
For laboratory research use only. Products on this website are intended solely for in-vitro research. They are not medicines, have not been evaluated by the FDA, and are not intended to diagnose, treat, cure, or prevent any disease. Any administration to humans or animals is strictly prohibited.
What are these peptides made for?
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
All products are intended for research use only and are not for human or animal consumption, therapeutic use, or clinical application.
Why buy from Licensed Peptides
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.
For laboratory research use only. Not for human or veterinary use.
How orders ship
We understand that timing and product integrity are critical for research.
| Ships to | United States (including minor outlying islands) |
|---|---|
| Processing days | Monday to Friday, excluding holidays |
| Daily cut-off | Paid orders placed before 4:00 PM PST are typically shipped the same business day |
| Free shipping | FedEx 2-Day Express on orders over $200 and for VIP members |
| Standard | USPS Ground Advantage, 3–7 business days (not guaranteed) — $8.95 |
| Expedited | FedEx 2-Day $11.95 · UPS 2-Day $19.95 · FedEx Next Day $44.99 |
| Signature | Required on delivery for orders of $1,000 or more |
How orders are handled
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.
Tracking
Once your order has shipped you will receive a tracking number by email, so you can monitor delivery progress.
Shipped from the United States
Orders are dispatched domestically from a U.S.-based operation, so there are no international customs steps.
Delivery times
Shipping times are estimates and begin after order processing. Delays may occur due to carrier issues, weather, or other unforeseen factors, and delivery dates are not guaranteed. Full terms are in our Shipping & Delivery Policy.
For laboratory research use only. Not for human or veterinary use.
Additional information
| pack | 1 pack, 3 pack, 5 pack, 10 pack |
|---|
Storage
Store in the original container in a refrigerator at 2–8°C (36–46°F). Keep tightly closed when not in use. Protect from light, heat, and moisture. Do not freeze.
Handling Precautions
Avoid excessive shaking or agitation. Keep the actuator clean and replace the cap immediately after each use to prevent contamination.
Stability
Utilize within the recommended timeframe after opening (commonly 30–60 days, depending on formulation and preservatives).
99%+ — Passes ≥99% 
Download Full COA / HPLC Report (PDF) 
99%+ Every Batch
Often Not Disclosed
