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Lab tested98.9% pureIGF-1 LR3 research vial
Long-Acting IGF-1 Analog

IGF-1 LR3

CAS 946870-92-4Growth HormoneLong R3 IGF-1

An 83-amino-acid analog of IGF-1 with extended half-life. Investigated in cellular-growth, proliferation and signaling research.

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1
$91.99$91.99/mg
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Research use only. Sold strictly for laboratory and research use — not a drug, food, cosmetic, or supplement, and not for human or veterinary consumption.

Certificate of Analysis

Third-party tested · ISO/IEC 17025 accredited
LatestISO 170257× testing
98.9%
Purity
Passed full QC panel
VariantIGF-1 LR3 1 mg
Lot #IG1001
Labeled1 mg
Actual1.21 mg
TestedMay 29, 2026
Full QC panel7× tested
Purity (HPLC)98.9%
Net peptide content1.21 mg
Identity (HPLC-MS)Confirmed
Heavy metals (ICP-MS)Not detected
Sterility (PCR)No growth
Endotoxin (LAL)< 0.5 EU/mg

Frequently researched together

Compounds commonly studied alongside IGF-1 LR3.

Compound Information

Technical specifications
Molecular profile

What is IGF-1 LR3?

An 83-amino-acid analog of IGF-1 with extended half-life. Investigated in cellular-growth, proliferation and signaling research.

TypeSynthetic peptide
CAS number946870-92-4
Molecular weight9117.6 g/mol
Molecular formulaC400H625N111O115S9
FormLyophilized powder
Read the full research: IGF-1 LR3 (Long R3 analog): Mechanism

Storage & Stability

Keep it research-grade
Avoid freeze/thaw cyclesProtect from lightKeep refrigerated
Lyophilized (powder)
−20°C · 24+ months
Reconstituted
2–8°C · ~4 weeks

Complete your order

Everything you need to reconstitute and run your research.

Alcohol Prep Pads
Sterile · box of 100
$9.99
Bacteriostatic Water
10 mL · for reconstitution
$10.99
Insulin Syringes
0.5 mL · 31G · box of 10
$19.99
Sterile Empty Vials
10 mL · pack of 5
$12.99

Disclaimer. This compound has not been evaluated by the FDA. It is not intended to diagnose, treat, cure, or prevent any disease, and is not a drug, food, cosmetic, or dietary supplement.

Terms of sale. By purchasing, you affirm that you are at least 21 and a qualified researcher (or acting on behalf of a qualified laboratory or institution). You assume full responsibility for safe handling, storage, use, and disposal in compliance with all applicable laws. Orders may be subject to verification; all sales are final.

IGF-1 LR3$91.99