IGF-1 LR3 1mg
LatestLOT IGF0002
99.03%
HPLC purity · meets spec
- Labeled
- 1mg
- Measured
- 1.03mg
- Identity
- Confirmed
- Heavy metals
- Not Detected
- Sterility
- No Growth
- Endotoxin
- 0.097 EU/mL
- Tested
- Jul 30, 2026
8 assays passed · ISO/IEC 17025 accredited
⚠️ FOR RESEARCH PURPOSES ONLY — This compound is not FDA approved. All data presented is from clinical trials for educational reference.
Growth Factor Analog Peptide
IGF-1 LR3
Long R3 IGF-1LR3-IGF-1Long Arginine 3-IGF-1CAS: 143045-27-6
An 83-amino acid synthetic analog of human insulin-like growth factor 1 with reduced binding protein affinity and extended half-life, studied for anabolic and tissue growth effects in preclinical research. Premium Research Peptide.
Mass
Quantity
1
$69.99
Quantity
1
$69.99
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IGF-1 LR3$69.99
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Verified Test Results
Every batch, independently verified.
Each batch is analyzed by an ISO/IEC 17025 accredited third-party laboratory before it ships. This is the released report for the current batch, exactly as the lab signed it.
ILSILS LaboratoriesIndependent, ISO/IEC 17025 accredited
Certificate of Analysis
99.03%
Purity by HPLC
- Lot
- IGF0002
- Tested
- Jul 30, 2026
- Labeled
Third-party verified
Certificate of Analysis
Every lot is HPLC-tested at an ISO/IEC 17025-accredited lab. Open any batch's certificate below.
Compound Information
Technical specifications
Molecular Profile
What Is IGF-1 LR3?
TypeSynthetic IGF-1 analog
CAS Number143045-27-6
Molecular Weight9,117.60 g/mol
Amino Acids83
FormulaC400H625N111O115S9
SequenceMFPAMPLSSL FVNGPRTLCG...
Structural Modifications
How It Differs from Native IGF-1
N-terminal extension+13 amino acids (MFPAMPLLSLFVN)
Position 3 substitutionGlu → Arg
Total length83 vs 70 amino acids
IGFBP affinityDramatically reduced
IGF-1R affinityRetained
Sources & References
Peer-reviewed research
Biochemical Journal
Insulin-like growth factor-I (IGF-I) and especially IGF-I variants are anabolic in dexamethasone-treated rats
1992•DOI: 10.1042/bj2820091•PMID: 1371669
Tomas FM, Knowles SE, Owens PC et al.
View Source
Journal of EndocrinologySuperior potency of infused IGF-I analogues which bind poorly to IGF-binding proteins is maintained when administered by injection
1996•DOI: 10.1677/joe.0.1500077•PMID: 8708565
Tomas FM, Lemmey AB, Read LC, Ballard FJ
View Source
⚠️Important Research Notice
Not for human consumption. This product is sold exclusively for research and educational purposes. It is not intended to diagnose, treat, cure, or prevent any disease.
All clinical trial data and research findings presented on this page are sourced from peer-reviewed journals and official publications. They are provided for educational reference only and should not be interpreted as medical advice or product claims.
By purchasing this product, you confirm that you are a qualified researcher and will use it in accordance with all applicable laws and regulations.
