STATED PURITY ≥99% IGF-1 LR3 Research Peptide for Sale
IGF-1 Analog · MW: 9117.5 Da
IGF-1 LR3 (Long R3 IGF-1), an 83-amino-acid IGF-1 analog with an Arg3 substitution and N-terminal extension, supplied as lyophilized powder (listed MW 9117.5 Da) for laboratory research. Orders ship from Michigan by USPS Priority Mail, usually within 1 business day of payment when the item is in stock, and ship free at $149.00+.
Insulin-like Growth Factor-1 Long R3. An 83 amino acid analog of IGF-1 with extended half-life. Researched for IGF-1 receptor signaling and cellular proliferation. Stated purity ≥99%.
Volume savings
| Quantity | Per unit | Total |
|---|---|---|
| $64.99 | $64.99 | |
| $61.74 | $123.48 | |
| $58.49 | $175.47 | |
| $51.99 | $259.96 |
Discounts apply per product and size, based on the quantity of that item in your order. They are applied automatically in your cart.
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US only · Ships within 1 business day · Discreet packaging
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Questions about this material? Contact support@sealedpeptides.com · Text us (810) 309-8278
Specifications
| Stated purity | ≥99% (target) |
|---|---|
| Molecular Weight | 9117.5 Da |
| Compound Type | IGF-1 Analog |
| Form | Lyophilized powder |
| Sequence | IGF-1 with Arg3 substitution and 13 aa N-terminal extension |
| Half-Life | 20–30 hours |
| Storage | -20°C lyophilized; 2–8°C reconstituted |
| Reconstitution | Reconstitute with 0.1% acetic acid, then dilute with bacteriostatic water |
Research Notes
- Arg3 substitution prevents IGFBP binding, extending active half-life ~100x vs native IGF-1
- N-terminal extension enhances receptor binding affinity
- Studied for anabolic signaling, satellite cell activation, and cellular proliferation in vitro
Overview (Research Use Only)
IGF-1 LR3 is a igf-1 analog supplied by Sealed Peptides for laboratory and research use only. Insulin-like Growth Factor-1 Long R3. An 83 amino acid analog of IGF-1 with extended half-life. Researched for IGF-1 receptor signaling and cellular proliferation. Stated purity ≥99%.
This product is not intended for human consumption, clinical administration, or any diagnostic, therapeutic, or preventive use. All handling should follow institutional laboratory policies for research chemicals.
Ordering & shipping
- Ships from Michigan to US addresses only, by USPS Priority Mail with tracking, in discreet packaging.
- Fast dispatch: in-stock orders usually ship within 1 business day after payment is confirmed.
- Free shipping: USPS Ground Advantage is $6.99, free on orders of $75.00 or more; USPS Priority Mail is free on orders of $149.00 or more (after discounts); otherwise Priority Mail is a flat $14.99.
- Payment: credit or debit card (including Apple Pay and Google Pay), Zelle (5% off the product subtotal) or cash at local pickup.
- Preparing a solution? Read the reconstitution guide and storage guide, or browse all laboratory guides.
- Volume pricing applies automatically when you order 2 or more of IGF-1 LR3 in the same size. See bulk pricing and shipping details.
For laboratory research use only. Not for human or veterinary use. Must be 21 or older.
Common questions
How does IGF-1 LR3 differ from native IGF-1?
It has 83 residues instead of 70: an Arg substitution at position 3 and a 13-residue N-terminal extension. Our research overview covers the structure.
What form is IGF-1 LR3 supplied in?
A lyophilized (freeze-dried) powder in a sealed vial. It is not sold as a nasal spray, capsule or ready-made solution.
Do you ship IGF-1 LR3 to Canada or Australia?
No. We ship to US addresses only, from Michigan, by USPS Priority Mail.
What does "research use only" mean?
This material is sold for laboratory and in-vitro research only. It is not for human or veterinary use, and we do not provide dosing guidance.
How should this vial be stored?
-20°C lyophilized; 2–8°C reconstituted
How fast does it ship?
Orders ship within 1 business day via USPS Priority Mail. Priority Mail is free on orders of $149.00 or more; otherwise it is $14.99. USPS Ground Advantage is $6.99, free on orders of $75 or more. US only.
Who do I contact with questions about this product?
Email support@sealedpeptides.com with the product name and your question (include your order number if you have one).
Customer feedback
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Related research
Background reading for working with IGF-1 LR3 in the laboratory: its research overview, definitions of terms used on this page, and tools for solution arithmetic. General education; it describes no use of this material.
Research overview
Laboratory guides
Glossary terms
More: Learn hub · glossary · printable lab sheets
Frequently bought together
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