Chemical Information
• Molecular Formula: C₄₀₀H₆₂₅N₁₁₁O₁₁₅S₉
• Molecular Weight: 9,117.60 g/mol (approx. 9.1–9.2 kDa)
• CAS Number: 946870-92-4
• Amino Acid Length: 83 amino acids
• Modifications:
• Substitution of Arginine (Arg/R) for Glutamic acid (Glu/E) at position 3 (Arg3)
• Addition of a 13-amino acid N-terminal extension (MFPAMPLSSLFVN)
Amino Acid Sequence
MFPAMPLSSL FVNGPRTLCG AELVDALQFV CGDRGFYFNK PTGYGSSSRR APQTGIVDEC CFRSCDLRRL EMYCAPLKPA KSA
Description
IGF-1 LR3 is a modified recombinant peptide designed for increased potency and longer half-life compared to native IGF-1. It is commonly supplied as a lyophilized white powder in vials (e.g., 1 mg) for research purposes.
Critical Notice – For Research Use Only
This product is sold strictly for laboratory research and scientific experimentation by qualified professionals. It is not approved by the FDA or any regulatory agency for human consumption, medical treatment, diagnostic use, veterinary application, food additive, cosmetic ingredient, or performance enhancement. It is not a drug, dietary supplement, or therapeutic agent. Any off-label or non-research use is strictly prohibited and may violate applicable federal, state, or local laws (including the Federal Food, Drug, and Cosmetic Act). By purchasing, the buyer acknowledges and agrees that the product will be used solely for lawful research purposes in a controlled laboratory setting. Handle with appropriate safety precautions; consult institutional guidelines and regulations.
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