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IGF-1 LR3

$84.99

IGF-1 LR3 1mg lyophilized research protein (83 aa, ~9117 Da), ≥99% HPLC purity, third-party tested. For in-vitro laboratory research use only.

In stock

Every vial is batch‑traceable Scan the code on your vial to verify its batch, COA, and origin in seconds — full traceability from our lab to your bench.
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Description

IGF-1 LR3 (Long R3 IGF-1, CAS 946870-92-4) is a recombinant 83-amino-acid analog of insulin-like growth factor 1, featuring an N-terminal 13-residue extension and a Glu3-to-Arg substitution. This extended structural modification is studied in cell-culture systems for its impact on IGF receptor binding kinetics and downstream proliferative signaling in vitro. Bolt Peptide supplies IGF-1 LR3 1mg as a USA-lyophilized, third-party HPLC-verified compound at ≥99% purity. For in-vitro laboratory research use only.

Specifications

Molecular Formula C400H625N111O115S9
Molecular Weight ~9117 Da
CAS Number 946870-92-4
Structure 83-aa recombinant IGF-1 analog (Glu3Arg + 13-aa N-terminal extension)
Purity ≥99% (HPLC)
Physical Form Lyophilized white powder
Storage -20°C, protected from light
Reconstitution Bacteriostatic water or 0.1% acetic acid

Compliance: All Bolt Peptide products are sold strictly for in-vitro laboratory and research use only. Not for human or veterinary consumption, diagnostic, or therapeutic use.

Specifications

Third‑Party Lab Verified

Independently Tested. Verifiably Pure.

Every batch of IGF-1 LR3 is sent to an accredited independent laboratory before it ships — here is exactly what we screen for, and the certificate that proves it.

What We Test Every Batch For

  • HPLC Purity AnalysisConfirms the compound is ≥99% pure — Pass
  • Mass SpectrometryVerifies the exact molecular identity — Pass
  • Heavy Metals ScreeningLead, arsenic, cadmium & mercury — Pass
  • Endotoxins (LPS)Bacterial endotoxin levels — Pass
  • Sterility TestingNo microbial contamination — Pass
  • TFA ContentResidual trifluoroacetic acid — Not detected
  • Net Peptide ContentActual peptide mass per vial verified — Verified
Verified byBolt LabProof™
Open the full Certificate of Analysis ›

Frequently Asked Questions

Is IGF-1 LR3 third-party tested?

Yes. Every batch is third-party tested to ≥99% HPLC purity, with a Certificate of Analysis on every batch and documentation published in the Bolt Peptide COA Library.

How should IGF-1 LR3 be stored?

Keep the lyophilized vial cool and out of direct light. For short periods, room temperature away from light is acceptable; for longer storage, refrigerate or freeze. Once reconstituted, keep refrigerated and use within your validated window.

How is a lyophilized peptide reconstituted?

Add bacteriostatic or sterile water slowly down the inside of the vial wall, then swirl gently (do not shake) until fully dissolved. Calculate the volume needed to reach your target research concentration.

Is IGF-1 LR3 intended for human use?

No. All Bolt Peptide products are supplied strictly for laboratory and scientific research use only, not for human or veterinary use, consumption, or therapeutic application.

How fast does Bolt Peptide ship?

Orders process in 3-4 business days and ship within the United States. Orders of $100 or more qualify for free shipping.

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