FOR RESEARCH USE ONLY. This compound is not FDA approved. All data presented is from clinical trials for educational reference.

10x tested · ISO 1702599%+ purityResearch use only

IGF-1 LR3

Mass

Quantity

$69.99$41.99

Quantity pricing

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IGF-1 LR3$69.99$41.99

Program pricing for your lab

Volume Pricing for LabsNew

40% off from 10 units, 50% off from 50. Free 2-day signed delivery.

See volume pricing

40% off from 10 units, 50% off from 50. Free 2-day signed delivery.

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.

ILSILS LaboratoriesIndependent, ISO/IEC 17025 accredited

Certificate of Analysis

99.03%

Purity by HPLC

Lot: IGF0002
Tested: Jul 30, 2026
Labeled: 1mg
Measured: 1.03mg

Full QC panel

6 passed · 2 reported

Appearance

Visual

GoodPass

Purity

HPLC · spec ≥ 95%

99.03%Pass

Net Peptide Content

HPLC

1.03mgReported

Identity

HPLC

ConfirmedPass

Fentanyl Screen

Immunoassay

Not DetectedPass

Heavy Metals

ICP-MS

Not DetectedPass

Sterility

PCR

No GrowthPass

Endotoxin

USP <85>

0.097 EU/mLReported

Every batch on record

Your invoice ships with its own lot-specific report.

IGF-1 LR3 1mg

Latest

LOT 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 · ILS Laboratories, ISO/IEC 17025 accredited

IGF-1 LR3 1mg

Selected quantity

LOT IGF0001

99.47%

HPLC purity · meets spec

Labeled: 1mg
Measured: 1.06mg
Identity: IGF-1 LR3
Heavy metals: Not Detected
Sterility: No Growth
Endotoxin: < 0.05 EU/mL
Tested: Jun 10, 2026

8 assays passed · ILS Laboratories, ISO/IEC 17025 accredited

Compound Information

Molecular Profile

What Is IGF-1 LR3?

CAS Number: 143045-27-6
Molecular Weight: 9,117.60 g/mol
Amino Acids: 83
Formula: C400H625N111O115S9
Sequence: MFPAMPLSSL FVNGPRTLCG...

Structural Modifications

How It Differs from Native IGF-1

N-terminal extension: +13 amino acids (MFPAMPLLSLFVN)
Position 3 substitution: Glu → Arg
Total length: 83 vs 70 amino acids
IGFBP affinity: Markedly reduced
IGF-1R affinity: Retained

Important research notice

Not for human, veterinary, or food use. 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.

Research compounds for your lab, with the documentation and supply continuity your procurement team expects.

Lab notices from Better Science

Library additions, new lot certificates, and supply or lead-time notices for your lab