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Research compound profile

IGF-1 LR3

Synthetic 83-residue analog. Loti Labs supplies it as lyophilized powder in 1 mg vials, for laboratory research.

1 formatvial
2 batches on filesince June 2026
Last testedNovember 12, 2026
IGF-1 LR3 / one formatLoti Labs IGF-1 LR3 research vial, 1 mg
01

Specifications

Reference dataFormula, molecular weight and CAS number are reference values for the compound, not measurements of a specific batch.

9117.6Molecular weight, g/mol
143045-27-6CAS number
Compound
IGF-1 LR3
Class
Synthetic 83-residue analog
Molecular formula
C400H625N111O115S9
Physical presentation
Lyophilized powder, sealed vial
Formats
1 mg vial
02

Current certificates of analysis

TipMatch the batch number on your vial label to the certificate. Click any certificate to open it full size.

Current batch

1 mg vial

Batch LLLR31126 tested at 99.17% purity by HPLC. Identity was confirmed by mass spectrometry. Endotoxin screen: NMT 0.05 EU/mL.

Batch
LLLR31126
Tested
Nov 12, 2026
Laboratory
ILS Laboratories
03

Batch history

RecordEvery certificate stays on record under its batch number, even after a newer batch arrives.

Tested Format Batch Purity Identity Laboratory
Nov 12, 2026 1 mg vial LLLR31126 99.17% Confirmed ILS Laboratories Certificate
Jun 17, 2026 1 mg vial LL-LR3-526 99.8% Conforms Bioviridian Certificate
04

How every batch is tested

MethodEvery Loti Labs batch goes to an independent, U.S.-based third-party laboratory.

  1. 1

    Sample sent

    Samples from the production batch go to the laboratory under the batch number.

  2. 2

    Purity

    HPLC separates sample components and can be used to assess chromatographic purity. Determining absolute compound content requires a validated quantitative assay.

  3. 3

    Identity

    Mass spectrometry provides evidence supporting compound identity, where reported.

  4. 4

    Archived

    The certificate is published and kept for good. Search the archive.

05

Questions researchers ask

ArchiveEvery certificate we have published is searchable in the COA archive.

What purity is the current IGF-1 LR3 batch?

1 mg vial: batch LLLR31126 tested at 99.17% purity by HPLC on Nov 12, 2026, identity confirmed by mass spectrometry.

What is the molecular formula and weight of IGF-1 LR3?

IGF-1 LR3 has molecular formula C400H625N111O115S9 and a molecular weight of 9117.6 g/mol, CAS 143045-27-6.

How do I find the certificate for my vial?

Match the lot number printed on the vial label to the batch column in the history table, or search it in the Loti Labs COA archive. Every certificate is kept permanently under its batch number.

What is IGF-1 LR3 from Loti Labs intended for?

Loti Labs supplies IGF-1 LR3 strictly for laboratory, analytical and research use. It is not for human or veterinary use, and it is not a drug, food or cosmetic.

Further reading on IGF-1 LR3

Related compound profiles

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Research use only. This page is provided for laboratory, analytical and research reference. Products are not drugs, foods or cosmetics and are not for human or veterinary use.

All products and documentation on this site are intended strictly for research and development use only and are not for human consumption.