What Is IGF-1 LR3?
A long-acting IGF-1 analog studied for IGF-1R signaling and cell proliferation.
01Definition
IGF-1 LR3 is a endocrine research compound. A long-acting IGF-1 analog studied for IGF-1R signaling and cell proliferation. It is also known as Long R3 IGF-1.
Sequence · 83-aa Long Arg3 IGF-1 analog
02Research Mechanism
IGF-1 LR3 is an 83-amino-acid analog of insulin-like growth factor 1, modified with an Arg substitution at position 3 and an N-terminal extension that reduces binding to IGF-binding proteins, prolonging its activity in research systems.
Research framing only · No human-use claims
03Key Facts
| Classification | Endocrine |
| Molecular weight | 9,117.7 g/mol |
| Also known as | Long R3 IGF-1 |
| Purity spec | ≥99% HPLC |
| Verification | MZ Biolabs · 5-panel |
| Use | Research Use Only |
04FAQ
What is IGF-1 LR3?
IGF-1 LR3 is a endocrine research compound. A long-acting IGF-1 analog studied for IGF-1R signaling and cell proliferation. It is also known as Long R3 IGF-1. It is supplied strictly for laboratory research use.
What class of compound is IGF-1 LR3?
IGF-1 LR3 is categorized as Endocrine and is studied alongside related compounds in that research area.
What is the molecular weight of IGF-1 LR3?
IGF-1 LR3 has a molecular weight of 9,117.7 g/mol.
How is IGF-1 LR3 tested?
Every Ethos Bio lot of IGF-1 LR3 is analyzed by an independent third-party laboratory (MZ Biolabs, Arizona) on a five-point panel — HPLC purity, mass-spec identity, endotoxin, heavy metals, and sterility — with a batch-specific Certificate of Analysis.
View IGF-1 LR3 product → · Full monograph → · Molecular weight →