Tesamorelin
Synthetic 44-residue human GHRH analog bearing an N-terminal trans-3-hexenoyl group; a research-grade growth hormone secretagogue.
From$89
Secretagogue Peptides
IGF-1 LR3
Long-acting IGF-1 analog peptide
$85
Lot IG1-2026-001 — verify this lot before you buy
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For research use only — not for human or veterinary use
Lyophilized & handled for stability
Damaged, mislabeled, or a COA that doesn't match the lot — refunded or replaced in full
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Overview
IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is an 83-amino-acid analog of human IGF-1. It carries an arginine substitution for glutamate at position 3 together with a 13-residue N-terminal extension - modifications that reduce binding to IGF-binding proteins and extend the analog's in-vitro stability relative to native IGF-1. It is supplied as a lyophilized powder for laboratory research use only.
In the research literature, IGF-1 LR3 is used as a reference ligand for studying IGF-1 receptor signaling, the PI3K/Akt and MAPK cascades, and cellular proliferation and differentiation in cultured-cell systems. It is a common tool compound in growth-factor pharmacology, receptor-binding assays, and structure-activity studies. Not for human or veterinary use.
Research areas
- IGF-1 receptor signaling
- PI3K/Akt and MAPK pathway studies
- Cell proliferation and differentiation models
- Growth-factor pharmacology
- Receptor-binding assays
- Protein structure-activity research
Handling & storage
Store lyophilized powder at -20C protected from light and moisture; for extended storage -80C is recommended. Aliquot reconstituted solutions and keep frozen to minimize freeze-thaw cycles.
For laboratory research use only. Reconstitute in dilute acetic acid or sterile water per assay requirements; avoid repeated freeze-thaw cycles.
Specifications
FormLyophilized powder
Purity>=99% (HPLC)
Sequence83-aa analog (Arg3 substitution; N-terminal 13-residue extension)
Molecular formulaC400H625N111O115S9
Molecular weight9117.6 g/mol
CAS number946870-92-4
SynonymsLong R3 IGF-1, LR3 IGF-1, Long R3 Insulin-like Growth Factor-1
Certificate of Analysis
Signed third-party lab COA for lot IG1-2026-001 — HPLC purity and reference-standard identity, verifiable with the issuing laboratory.
View Certificate of AnalysisCompliance: Sold to qualified researchers for laboratory use only. Listed specifications are representative; lot COA is authoritative.
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