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20 Apr 2026

99.27% purityIdentity, purity & endotoxin testedLot IGFR12172025-J

Lab report published: 99.27% purity, lot IGFR12172025-J

IGF-1 LR3

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Buy IGF-1 LR3 peptide online through our secure research supply platform designed for institutional procurement. When you order IGF-1 LR3 peptide online, the process accommodates laboratory purchasing requirements and documentation needs. Our platform allows researchers to buy IGF-1 LR3 peptide with confidence in product quality and delivery reliability. Order IGF-1 LR3 peptide directly for your research facility with discreet and secure shipping. This product is furnished for in-vitro studies only and is not for human consumption. Not approved by regulatory agencies to prevent, treat, or cure any medical condition. Bodily introduction into humans or animals is strictly forbidden by law. The secure ordering process protects institutional information and research project confidentiality. Reliable delivery ensures research compounds arrive intact and ready for laboratory storage.

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Lab report for lot IGFR12172025-J

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Certificate of analysis
99.27%
Purity by LC-MS
Lot
IGFR12172025-J
Tested
Apr 20, 2026
LC-MS · independent labLAL endotoxin
View certificate
TestMethodResultStatus
IdentityLC-MSConfirmed IGF-1 LR3PASS
PurityLC-MS · spec >99%99.27%PASS
AppearanceVisualWhite lyophilizedREPORTED
EndotoxinLAL (Endosafe PTS)≤ 0.05 EU/mL limit 0.5PASS

Batch tests: Purity, Endotoxins

2 lab reports available to signed-in researchers.

  • CAS: 946870-92-4
  • Chemical Formula: C₄₀₀H₆₂₅N₁₁₁O₁₁₅S₉
  • Molecular Weight: 9117.60 g/mol
  • Peptide Sequence: MFPAMPLSSL–FVNGPRTLCG–AYGGSCASFR–RGFYFNKPTG–YGSSTKKAYG–NNYRRHPLLK–PPIKSAQG
  • Synonyms: Long R3-IGF-1, M9L22Y19H9, 143045-27-6, Long-(arg3)insulin-like growth factor-i, IGF-I analog
  • Shelf life: 24 months from the manufacturing date.

 

IGF-1 LR3 is a synthetic modified peptide analog compound produced for research applications. This peptide is a modified version of insulin-like growth factor with structural alterations. The modification includes additional amino acids creating an extended peptide chain. The “Long R3” designation refers to the specific structural modification present. Modified peptides are studied to understand how structural changes affect molecular properties. This analog demonstrates altered binding characteristics with binding proteins in experimental systems. This synthetic peptide origin ensures batch-to-batch consistency for research protocols. The compound consists of a defined amino acid sequence with specific modifications. Researchers examine this modified peptide’s properties within controlled laboratory conditions without therapeutic context.

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Identity confirmed

LC-MS confirms the molecule in the vial is IGF-1 LR3.

Purity measured

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Endotoxin screened

A LAL screen checks bacterial endotoxin against a limit.

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Step 1

Synthesis and lyophilization

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Step 2

Samples go to third-party labs

Finished vials from the lot are sent to independent labs.

Step 3

LC-MS: identity, purity, net content

One run confirms the molecule and measures its purity.

Step 4

LAL endotoxin screen

Bacterial endotoxin is checked against a 0.5 EU/mL limit.

Step 5

Certificate published

The summary goes on the product page; full PDFs are for signed-in researchers.

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IGF-1 LR3

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Certificate of analysis

IGF-1 LR3

✕
COA #12863 · Lot IGFR12172025-J LATEST
Received Apr 13, 2026 · Analysed Apr 20, 2026 · Dr. Roberto Marin · BioRegen

IGF-1 LR3 C400H625N111O115S9 · 9117.5 g/mol · CAS 143045-27-6

IdentityConfirmed IGF-1 LR3PASS
Purity99.27% spec >99%PASS
Net content—
AppearanceWhite lyophilized
MethodLC-MS (liquid chromatography with mass spectrometry)
LC-MS chromatogram
0255075100Retention time →Relative abundance (%)
Full-scan mass spectrum
Mass spectrum from the laboratory report
Sign in to download the PDF
Endotoxin (LAL)
Charles River Endosafe nexgen-PTS · BioRegen
ReportDosageLotTestedResultLimitStatus
NC-ENDO-04212026-430IGFR12172025-JApr 21, 2026≤ 0.05 EU/mL0.5 EU/mLPASS
Signed laboratory reports

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