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“Laboratory Research Compounds”

Palmitoyl Tripeptide-5

Palmitoyl Tripeptide-5 is a synthetic lipopeptide composed of a palmitoyl fatty acid chain covalently linked to a three–amino acid sequence to enhance lipophilicity, membrane penetration, and stability in cell culture models. In controlled in vitro research, it is evaluated for its ability to stimulate collagen synthesis, modulate transforming growth factor–beta (TGF-β) signaling, and support extracellular matrix integrity by influencing fibroblast activity and structural protein organization. This compound is supplied exclusively for qualified laboratory research purposes and is not approved for human or veterinary administration, diagnostic use, or therapeutic application.

For laboratory research use only. Not for human or veterinary use. Not intended for diagnostic, therapeutic, or clinical applications.

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Palmitoyl Tripeptide-5

Form: Scientific-grade, Lyophilized Powder

Purity: ≥99%

CAS Number: 147732-56-7

Palmitoyl Tripeptide-5 is a synthetic research peptide under investigation for its influence on collagen synthesis, extracellular matrix support, and potential roles in signal pathway modulation. For laboratory use only.

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Chemical Structure & Identifiers

PubChem CID: 11950477 Structure: Laboratory Chemical Safety Summary (LCSS) Datasheet Molecular Formula: C33H65N5O5 Synonyms: Palmitoyl Tripeptide-5, palmitoyl-lysyl-valyl-lysine, SYN-COLL, 2A3916MQHO, L-Lysine, N2-(1-oxohexadecyl)-L-lysyl-L-valyl-, CAS 147732-56-7 Molecular Weight: 611.9 g/mol Computed by PubChem: (PubChem release 2025.04.14) Date Created: 2006-11-20 Last Modified: 2025-07-28

Palmitoyl Tripeptide-5 is provided for non-clinical research purposes focused on cellular matrix interactions, protein signaling mechanisms, and biochemical modulation pathways. Not for human or animal consumption.

Palmitoyl Tripeptide-5 Molecular Structure

Mechanism of Action

Palmitoyl Tripeptide-5, often referred to by its trade name Syn-Coll, is a synthetic peptide designed to penetrate the skin and activate the production of Transforming Growth Factor-beta (TGF-β). TGF-β is a crucial growth factor in the body that plays a pivotal role in collagen synthesis and tissue regeneration.

  • TGF-β Activation: This is the primary mechanism. Palmitoyl Tripeptide-5 mimics a sequence from the protein thrombospondin-1, which is known to activate latent TGF-β. Once activated, TGF-β signals fibroblasts (skin cells responsible for producing connective tissues) to synthesize new collagen.
  • Collagen Type I and III Stimulation: By stimulating TGF-β, the peptide directly promotes the production of collagen types I and III, which are the most abundant collagens in the skin and are essential for its strength, elasticity, and youthful appearance.
  • Protection Against Collagen Degradation: Beyond synthesis, some research suggests it may also help protect existing collagen from enzymatic degradation, though its primary action is on new synthesis.

In essence, Palmitoyl Tripeptide-5 works by initiating a cascade of events that leads to increased collagen production, effectively targeting the root cause of many visible signs of aging related to collagen loss. This leads to improved skin firmness, elasticity, and a reduction in the appearance of wrinkles.

Clinical Development & Research Focus

Palmitoyl Tripeptide-5 has undergone extensive **preclinical and cosmetic clinical research**, primarily driven by its potential as a potent anti-aging ingredient. As a widely recognized cosmetic peptide (often marketed as Syn-Coll), research focuses on substantiating its claims for improving skin texture and reducing wrinkles.

  • Wrinkle Depth and Volume Reduction: Key studies evaluate its effectiveness in visibly reducing the depth and volume of wrinkles, especially fine lines and crow's feet, through various instrumental assessments (e.g., profilometry, image analysis).
  • Skin Firmness and Elasticity Improvement: Research uses tools like cutometry to measure improvements in skin elasticity and firmness, correlating these with its collagen-boosting properties.
  • In-vitro and Ex-vivo Efficacy: Laboratory studies on human skin fibroblasts and reconstructed skin models are used to confirm its ability to stimulate collagen synthesis, activate TGF-β pathways, and show its effect on other extracellular matrix components.
  • Safety and Tolerability: Patch tests and controlled consumer studies are conducted to ensure the ingredient is well-tolerated and non-irritating in topical formulations.

It's important to differentiate this from pharmaceutical drug development. While it has a strong research backing within the cosmetic science community, these studies are typically conducted to support cosmetic product claims rather than to achieve regulatory drug approval from bodies like the FDA.

Guidelines for Experimental Use

Palmitoyl Tripeptide-5 is strictly intended for **laboratory research purposes only**. It should be handled by qualified personnel in a controlled environment, adhering to all applicable safety protocols and guidelines for research chemicals. This product is **not approved for human consumption, therapeutic use, or veterinary application**. It is solely for scientific investigation and analysis in a research setting. Proper laboratory safety equipment and procedures must be employed during its handling and experimental application.

Storage and Handling Recommendations

For optimal stability and preservation of Palmitoyl Tripeptide-5, observe the following recommendations:

  • Storage: Store lyophilized powder at -20°C to -80°C (long-term) or 2°C to 8°C (short-term, for up to 2-4 weeks), away from light and moisture.
  • Reconstitution: Reconstitute with sterile, deionized water or a suitable solvent as per specific experimental protocols. Avoid repeated freeze-thaw cycles.
  • Handling: Handle under aseptic conditions to prevent contamination. Use appropriate personal protective equipment (PPE), including gloves and eye protection.
  • Stability: Once reconstituted, solutions should be stored at 2°C to 8°C and used within a short period, typically 24-72 hours, depending on the solvent and concentration. Long-term storage of reconstituted solutions is not recommended.
  • Disposal: Dispose of Palmitoyl Tripeptide-5 and any waste materials in accordance with local and institutional hazardous waste regulations.

Strict adherence to these guidelines will help maintain the integrity and purity of the compound for research applications.

Key Scientific References

Further information on Palmitoyl Tripeptide-5 and related research can be found in the following scientific literature:

*(Note: Direct PubMed references for specific Palmitoyl Tripeptide-5 efficacy studies are often found within manufacturer-sponsored research, technical datasheets, or comprehensive cosmetic peptide reviews.)*

Important Compliance Statement

This product, Palmitoyl Tripeptide-5, is sold exclusively for **research and development purposes**. It is not a drug, food, or cosmetic, and has not been evaluated by any regulatory body for safety or efficacy in humans or animals. By purchasing, the user acknowledges and agrees to comply with all relevant local, national, and international laws and regulations regarding research compounds. Misuse of this product for purposes other than legitimate scientific research is strictly prohibited.

Analytical Validation & Documentation (COA, HPLC, MS)

Each production lot is subjected to rigorous analytical validation to confirm quality, purity, and molecular identity under research-grade standards. Full supporting documentation is available upon request.

  • COA (Certificate of Analysis): Includes batch number, purity percentage, traceability of each constituent ingredient, storage instructions, and full QC test results.
  • HPLC (High-Performance Liquid Chromatography): Provides chromatographic confirmation of purity and compound homogeneity.
  • MS (Mass Spectrometry): Confirms molecular weight and verifies structural integrity of the compound.
  • Traceability: Documents are traceable to their respective manufacturing lot and are intended to support reproducibility and transparency in scientific investigation.
  • COA Page 1 COA Page 2 COA Page 3

    Displayed above: Sample Certificate of Analysis – AOD-9604 (3-page image preview)

Storage & Shipping

All of our products are manufactured using the Lyophilization (Freeze Drying) process, which ensures stability during transit and long-term storage. Below are the official recommendations:

  • Stability During Shipping: Products are 100% stable for shipping for up to 3–4 months at ambient temperature.
  • After Reconstitution: Once reconstituted with bacteriostatic water, the peptide must be stored in a refrigerator and will remain stable for up to 30 days.
  • Room Temperature Storage: Lyophilized powder can be safely stored at room temperature until reconstitution, provided it remains sealed and protected from light.
  • Refrigerated Storage (Short Term): Store under 4°C (39°F) if not used immediately. Suitable for storage up to several weeks or months.
  • Frozen Storage (Long Term): For extended stability (months to years), store in a freezer at -80°C (-112°F).

Note: Avoid repeated freeze-thaw cycles. Always aliquot after reconstitution when necessary. Follow institutional safety protocols for handling all research compounds.

For advanced storage tips and reconstitution guidance, contact us or refer to our extended documentation.

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