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Peptide: IGF-1 LR3 (Insulin-Like Growth Factor-1 Long R3)
Purity: ≥99%
Quantity: 1 mg
Form: Lyophilized powder
CAS Number: 946870-92-4
Intended Use: Laboratory research purposes only
Peptide Class: Synthetic growth factor analogue
Molecular Formula: C400H625N111O115S9
Solubility: Soluble in appropriate aqueous research solvents
Stability: Stable when stored according to recommended storage guidelines


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This product is synthesized to high analytical purity standards to ensure consistency and reliability for laboratory research applications. Each production batch undergoes rigorous testing and quality verification before release.
A Certificate of Analysis (COA) is available for every batch, confirming purity, composition, and compliance with established quality control standards.
Due to limited space on product vial labels, only basic storage instructions may appear on the packaging. The information below provides additional general guidance to support proper storage and handling.
Important: If instructions printed on the vial label differ from the guidance below, always follow the instructions provided on the vial label.
Maintaining stable and appropriate storage temperatures is essential for preserving product quality and stability.
Room Temperature
Avoid prolonged storage at room temperature.
Refrigerated Storage
Recommended temperature range: 2–8°C (36–46°F)
Commonly recommended for many peptide products, particularly for extended storage or after reconstitution.
Frozen Storage
Temperature: −20°C (−4°F) or lower
Freezing should only be performed if specifically indicated on the product label or accompanying documentation.
Avoid repeated warming, cooling, or freeze–thaw cycles, as temperature fluctuations may negatively affect product stability.
Refrigerator
Suitable for many lyophilized (freeze-dried) peptides and most reconstituted solutions
Store in the main compartment of the refrigerator, not in the door
Protect from light exposure and moisture
Freezer
Use only when freezing is specifically permitted
Store in airtight containers or sealed packaging
Avoid repeated thawing and refreezing
Keep vials sealed until ready for use
Store in a cool, dry location
Protect from direct light, heat, and humidity
Avoid areas with frequent temperature changes, such as vehicles or windowsills
Use clean, dry laboratory tools and surfaces
Avoid vigorous shaking; gentle mixing is recommended
Minimize time outside recommended storage conditions
Do not transfer or combine contents between containers
Inspect products immediately upon delivery
Store according to recommended conditions as soon as possible
Contact support if the product appears damaged or if temperature exposure during shipping is suspected
Dispose of unused product and packaging in accordance with local regulations and laboratory safety procedures.
This product is supplied strictly for laboratory research purposes only.
It is not intended for human or veterinary use.
No medical, therapeutic, or diagnostic claims are made or implied regarding this product.
Q. What is IGF‑1 LR3 1mg?
A. IGF‑1 LR3 1mg is a synthetic peptide used for laboratory research. It is an extended‑action form of the IGF‑1 peptide.
Q. What is IGF‑1 LR3 used for in research?
A. Researchers use it to study cell signaling and growth factor processes in controlled experiments.
Q. Can I buy IGF‑1 LR3 1mg online?
A. Yes. You can purchase IGF‑1 LR3 1mg securely on Alveque Peptides.
Q. Is this peptide suitable for human use?
A. No. This peptide is for research use only. It is not approved for human or veterinary use.
Q. How pure is IGF‑1 LR3?
A. Our IGF‑1 LR3 1mg peptide is supplied at high purity for reliable results.
Q. Do you provide a Certificate of Analysis (COA)?
A. Yes. Every peptide order includes a COA showing purity and verification details.
Q. How should IGF‑1 LR3 1mg be stored?
A. Store IGF‑1 LR3 in a cool, dry place away from heat and moisture to preserve stability.
Q. Do you ship IGF‑1 LR3 1mg internationally?
A. Yes. We ship worldwide. International orders must comply with local rules and import requirements.
Q. How can I place an order for IGF‑1 LR3 1mg?
A. Visit the product page to add IGF‑1 LR3 1mg to your cart and complete checkout.
Q. Do you offer guidance on peptide handling?
A. We provide general guidance for storage and lab handling. We do not offer medical or dosing advice.
All products supplied by Alveque Peptides are exclusively intended for use in laboratory and scientific research settings.
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