IGF-1LR3 1MG
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For research purposes only. Not for human or animal consumption. Buyer assumes all risks; no liability for misuse. Full Terms & Conditions apply
78,88 €
10 in stock
* Research-Only Notice
For laboratory research use only. Not for human or animal consumption.
Not a medical, cosmetic or household product.
IGF-1 LR3 – Research Grade Peptide
IGF-1 LR3 (Insulin-like Growth Factor-1 Long R3) is a modified version of IGF-1 with an extended half-life and increased potency. It is a synthetic 83-amino acid peptide widely studied in muscle growth, tissue regeneration, and metabolic research.
Key Research Areas:
- Muscle cell proliferation and differentiation
- Enhanced protein synthesis and recovery
- Fat metabolism and body composition
- Cartilage and bone growth studies
- Anti-aging and longevity research
- Neuroprotective properties
The LR3 modification makes IGF-1 LR3 significantly more stable and biologically active compared to standard IGF-1, making it one of the most researched peptides in the field of anabolic and regenerative science.
IGF-1 LR3 – Technical Specifications
- CAS Number: 143045-27-6
- Molar Mass: 9117.5 g/mol
- Molecular Formula: C₄₀₀H₆₆₈N₁₂₄O₁₂₉S₉
- Sequence: Long R3 IGF-1 (83 amino acids with Arginine substitution at position 3 and 13 amino acid extension)
- Appearance: White to off-white lyophilized powder
- Purity: >99% (HPLC verified)
- Form: Synthetic analog of Insulin-like Growth Factor-1
- Solubility: Soluble in water or 0.1% acetic acid
Preparation & Storage
Reconstitute with bacteriostatic water (room temperature first to ensure dissolution).
Storage: Refrigerate (2-8°C) post-mixing; use within 30 days.

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