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Research peptide vial: IGF-1 LR3 1mg

Long-Acting IGF-1 Analog

IGF-1 LR3

Long-arginine 3 IGF-1 analog with extended half-life.

$99.00

Free shipping on orders over $300 · Same-day dispatch before 2PM EST

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.

Product Specs
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

Solubility
Soluble in 0.6% acetic acid or bacteriostatic water
Reported half-life
≈ 20–30 hours (research models)
Storage
Lyophilized: 2–8°C. Reconstituted: refrigerate, use within 14 days.

Certificate of Analysis

Lot / Batch

QP-2025-1980

Download PDF
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
Results above represent independent laboratory testing of the referenced batch. Full PDF includes HPLC chromatogram, mass-spec trace, and analyst signature.

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