IGF-1 LR3 - 1mg
Extended half-life IGF-1 analog — 83 amino acid peptide, 1mg per vial.
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SKU: IGF1-1MG
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NewThird-party test results
Independently tested. Results posted.
Tested by Freedom Diagnostics, an independent lab: HPLC for purity and LC-MS for identity. This is the lab's report, exactly as they issued it.
Freedom Diagnostics
Independent testing lab
Certificate of analysis · 1mg
99.87%
Purity by HPLC
- Lot
- 261807
- Reported
- Jul 24, 2026
- Labeled
- 1mg
- Measured
- 1.17 mg
What the lab tested
3 resultsPurity
HPLC-UV
Identity
LC-MS
Net content
HPLC
Reported Jul 24, 2026 · lot 261807. For research use only.
Technical specifications
Compound information
Material identity
What is IGF-1 LR3 - 1mg?
IGF-1 LR3 (Long R3 IGF-1) is an 83-amino-acid analog of insulin-like growth factor 1 carrying an arginine substitution at position 3 and a 13-amino-acid N-terminal extension, which reduce its binding to IGF-binding proteins. Supplied as a lyophilized research reference material.
Compound Information
- Length
- 83 amino acids (Arg3 substitution + 13-residue extension)
- Molecular Weight
- ~9,111 Da
- CAS Number
- 946870-92-4
- Appearance
- White lyophilized powder
Specifications
- Purity specification
- >99%
- Form
- Lyophilized powder
- Container
- Sealed vial (3mL flip-top)
- Storage
- -20°C or below, protected from light
- Shelf Life
- 2+ years when stored properly
- Certificate of Analysis posted
- see the product photos and our Lab Reports page
Important research notice
Not for human, veterinary, or food use. This product is sold for laboratory research only. It is not a drug, food, or supplement and is not intended to diagnose, treat, cure, or prevent any disease.
By purchasing, you confirm you are 21 or older and will handle it in line with all applicable laws.