What Is IGF-1 LR3?

# What Is IGF-1 LR3? IGF-1 LR3 is a long-chain insulin-like growth factor analog. ## Key Facts - Type: Synthetic IGF-1 analog - Research status: Preclinical / Laboratory research - Molecular information: C91H149N25O29S - Available specifications: 0.1mg, 1mg - Testing: HPLC, Mass Spectrometry ## Detailed Overview IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is a synthetic analog of IGF-1 with an arginine substitution at position 3 and a 13-amino acid N-terminal extension. It has been studied in cell biology research for its effects on cell growth, differentiation, and survival through IGF-1 receptor activation. Published research has examined its binding affinity and metabolic stability compared to native IGF-1. RaySunPeptide supplies IGF-1 LR3 for qualified research and laboratory applications. IGF-1 LR3 is a long-chain insulin-like growth factor analog. It is supplied by RaySunPeptide as a research-grade compound for qualified laboratory and research applications. Published research on IGF-1 LR3 remains at the preclinical and laboratory investigation stage. Researchers studying IGF-1 LR3 have access to peer-reviewed publications through PubMed that document various aspects of its chemical properties and biological activity. RaySunPeptide manufactures and supplies IGF-1 LR3 with the following quality assurances: - **Purity**: ≥98% verified by HPLC - **Testing**: Each batch undergoes HPLC and Mass Spectrometry analysis - **Documentation**: Certificates of Analysis (COA) available upon request - **Packaging**: Available in multiple vial configurations > **Note**: IGF-1 LR3 is supplied for qualified research and laboratory purposes only. It is not intended for human consumption, therapeutic use, or any application outside of controlled research environments. ## References - PubMed database (pubmed.ncbi.nlm.nih.gov) for peer-reviewed research publications on IGF-1 LR3 - RaySunPeptide product specifications and Certificates of Analysis ## Related Products - [HGH 191AA(Somatropin）](/products/hgh-191aasomatropin) - [ACE-031](/products/ace-031) - [GHRP-2 Acetate](/products/ghrp-2-acetate) - [GHRP-6 Acetate](/products/ghrp-6-acetate) ## About RaySunPeptide RaySunPeptide is a peptide manufacturer and supplier based in Southeast Asia, providing research-grade peptides, proteins, and related compounds for qualified research, laboratory, and B2B applications. All products undergo rigorous quality control testing and are supplied with Certificates of Analysis (COA).