
Long-Acting IGF-1 Analog
IGF-1 LR3
Long-arginine 3 IGF-1 analog with extended half-life.
$99.00
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Volume Discounts
Don't forget your reconstitution solution
Bacteriostatic Water 30mL
$25.00
Purchase Options
Lab Verified
HPLC-MS + endotoxin
Same-Day Ship
Orders by 2PM EST
Damage Coverage
Free replacement
Discreet Packaging
Plain outer box
Research Use Only
Not for human or veterinary consumption. For laboratory and in-vitro research purposes only.
Total
$99.00
Description
IGF-1 LR3 is a recombinant analog of insulin-like growth factor 1 with extended half-life for in-vitro research.
Reconstitution
Reconstitute with bacteriostatic water in your preferred ratio. Store reconstituted vials refrigerated (2–8 °C) and use within recommended timeframes for your protocol.
Storage
Unreconstituted lyophilized powder stable at room temperature for short periods; refrigerate (2–8 °C) for long-term storage. Avoid repeat freeze/thaw cycles.
- Dose
- 1mg
- Purity
- ≥ 99%
- Form
- Lyophilized powder
- Storage
- Refrigerate after reconstitution
- Origin
- USA — synthesized & shipped domestically
- Testing
- HPLC-MS, MALDI, endotoxin screen
Certificate of analysis available on request
The batch certificate for this item isn't published online yet. Request it here and we'll email you the lab report for the batch you receive.
Research Overview
IGF-1 LR3 (Long Arginine 3 IGF-1) is a recombinant 83-amino-acid analog of human insulin-like growth factor 1. An N-terminal extension and an arginine substitution at position 3 reduce binding to IGF-binding proteins, extending the molecule's research half-life relative to native IGF-1.
Mechanism of Action
Binds the IGF-1 receptor (IGF-1R) and activates PI3K/Akt and MAPK signaling cascades in research models, supporting studies of cellular proliferation and protein synthesis.
Research Applications
- IGF-1 receptor signaling research
- PI3K/Akt cascade studies
- Cellular proliferation models
Reconstitution & Handling
Certificate of Analysis
Lot / Batch
QP-2025-1980
- Product
- IGF-1 LR3
- Manufacture date
- 2025-09-05
- Test date
- 2025-09-08
- Expiration
- 2028-09-05
- Appearance
- White to off-white lyophilized powder
- Identity
- Confirmed — matches reference standard
- Purity (HPLC)
- 99.60%
- Water content (KF)
- 1.60%
- Endotoxin (LAL)
- < 0.05 EU/mg
- Bioburden
- < 1 CFU / vial
- Analytical methods
- RP-HPLC, ESI-MS, MALDI-TOF, LAL endotoxin assay
- Released by
- QPUSA Quality Assurance Lab




