GH axis · Growth factor
IGF-1 LR3
IGF-1 LR3 is a recombinant 83-amino-acid analog of insulin-like growth factor 1 engineered for reduced IGF-binding-protein affinity and prolonged activity in cell-culture and preclinical models. Supplied lyophilized for laboratory research use only.
For Research Use Only · Not For Human Consumption
Proof, Not Promises
Certificate of Analysis
Purity
99.1%
Labeled
1 mg
Measured
1.01 mg
Tested
Jul 6, 2026
Lab: ILS Labs / Kovera Labs
Plan Your Reconstitution
Reconstitution Helper
Auto-filled to the selected 1mg vial. A math tool for laboratory setup — research use only.
Compound Information
Extended IGF-1 analog with an Arg3 substitution and 13-residue N-terminal extension.
- CAS Number
- 946870-92-4
- Molecular Formula
- C400H625N111O115S9
- Molecular Weight
- 9117.5 g/mol
- Half-Life
- ~20-30 hours (research reports)
Sources & References
Novel recombinant fusion protein analogues of IGF-I indicate the relative importance of IGF-binding protein and receptor binding for enhanced biological potency
Francis GL, et al. · J Mol Endocrinol · 1992
View source →IGF-I and especially IGF-I variants are anabolic in dexamethasone-treated rats
Tomas FM, et al. · Biochem J · 1992
View source →
References provided for research context only.
Storage & Reconstitution
Store lyophilized vials away from light. After reconstitution with bacteriostatic water, refrigerate. Handle under appropriate laboratory conditions.
Add Bacteriostatic Water3ml & 10ml · for reconstitutionAdd →Go Deeper
Related Research & Comparisons
Common Questions
IGF-1 LR3 FAQ
What is IGF-1 LR3?+
Extended IGF-1 analog with an Arg3 substitution and 13-residue N-terminal extension.
Is IGF-1 LR3 approved for human use?+
No. Renova Wellness supplies IGF-1 LR3 strictly for in-vitro laboratory and scientific research use only. It is not for human or animal consumption, and no medical, therapeutic, or dosing claims are made.
How is the purity of IGF-1 LR3 verified?+
Every lot ships with its own per-batch Certificate of Analysis: identity confirmed by mass spectrometry, ≥99% purity by HPLC, and a unique lot number you can verify against the vial you receive.
How should IGF-1 LR3 be stored?+
Store lyophilized vials cool and away from light. After reconstitution with bacteriostatic water, refrigerate and handle under appropriate laboratory conditions.
Research Use Only
This product is sold strictly for laboratory and research use only. Not for human or veterinary use, not for diagnostic or therapeutic use, and not for consumption. Purchasers must be 21+ and qualified to handle research materials.