IGF-1 LR3 1mg is a long-acting analogue of insulin-like growth factor-1, supplied by Peptide Sciences for cell-culture and growth-signalling research.
IGF-1 LR3 Structure and Activity
IGF-1 LR3 contains an arginine substitution at position 3 and a 13-amino-acid N-terminal extension. These changes greatly reduce binding to IGF-binding proteins, increasing its availability and potency compared with native IGF-1. It is widely used as a cell-culture supplement in biomanufacturing and in research on PI3K/Akt and MAPK growth signalling.
IGF-1 LR3 1mg Specifications
| Property | Value |
|---|---|
| Compound | IGF-1 LR3 (Long-Arg3 Insulin-Like Growth Factor 1) |
| Class | Long-acting IGF-1 analogue |
| Amino-acid count | 83 |
| Molecular weight | approximately 9111 g/mol |
| Supplied form | Lyophilised powder, sealed vial |
| Strength | 1 mg per vial |
| Purity | greater than 99 percent (HPLC and mass-spec verified) |
| Storage | 2 to 8 degrees Celsius lyophilised; minus 20 degrees Celsius long-term |
Using the 1mg Vial
The 1mg vial suits cell-culture media and in-vitro signalling assays. A receptor-grade version is available for sensitive applications.
Quality Control, COA and Shipping
Before any batch reaches the catalog it is tested for purity by HPLC and verified by mass spectrometry against its theoretical mass. A Certificate of Analysis accompanies each shipment, and all material is stored cold and protected from light until dispatch.
Related Research Compounds
Researchers working with IGF-1 LR3 often compare results with these catalog compounds:
Explore the full Growth Hormone Peptides collection, browse the complete Peptide Sciences research peptide catalog, or review published literature on IGF-1 LR3 in PubMed.
Research use only. This product is sold strictly for in-vitro laboratory research and development by qualified professionals. It is not for human or veterinary use, not a drug, food or cosmetic, and has not been evaluated by the FDA to diagnose, treat, cure or prevent any disease. Buyers must be 21+ and comply with all applicable laws.
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