Growth Factors

IGF-1 LR3

Catalog #: IG

IGF-1 LR3 is an 83-amino acid modified IGF-1 analog with reduced IGFBP binding. 2-3× more potent than native IGF-1 in cell proliferation assays — the standard growth factor for cell culture and receptor signaling research.

Catalog Number IG
Modifications Arg³ + 13-aa N-terminal extension
Length 83 amino acids
Molecular Weight ~9,111 Da

Available SKUs

Model Specification MOQ
IG01 0.1mg / 10ml 1 vial
IG1 1mg / 10ml 1 vial
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Certificate of Analysis included
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Product Overview

IGF-1 LR3 is an 83-amino acid modified IGF-1 analog with reduced IGFBP binding. 2-3× more potent than native IGF-1 in cell proliferation assays — the standard growth factor for cell culture and receptor signaling research.

Research Applications

  • 83-amino acid modified IGF-1 with >100× reduced IGFBP binding
  • 2-3× more potent than native IGF-1 in cell proliferation assays
  • Full agonist at IGF-1 receptor (PI3K/Akt and MAPK/ERK)
  • Standard growth factor for serum-free cell culture
  • Published in myogenesis, cancer biology, and stem cell research

Key Features

  • ≥99% purity confirmed by RP-HPLC and ESI-MS
  • For laboratory research use only

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OEM Services

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Catalog Number IG
Modifications Arg³ + 13-aa N-terminal extension
Length 83 amino acids
Molecular Weight ~9,111 Da
Target IGF-1 Receptor (IGF1R)
Form Lyophilized powder
Purity ≥99% (RP-HPLC)
IGFBP Binding >100× reduced vs. native IGF-1
Storage -20°C, desiccated

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