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IGF-1 LR3 peptide UK 1mg vial - Crown Peptides

Research Peptides

IGF-1 LR3 Research Peptide

A high-purity research peptide studied in cell-growth and muscle research. Available in 1mg, with every batch independently tested and dispatched from the UK.

£59.99
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Product Overview

A high-purity research peptide studied in cell-growth and muscle research. Available in 1mg, with every batch independently tested and dispatched from the UK.

Full Product Specification
Overview

Product Overview

IGF-1 LR3 peptide UK is Crown Peptides' long R3 analogue of insulin-like growth factor 1, available in 1mg strength for laboratory research.

1mgAvailable strengthHPLC testedChromatographic purityMS verifiedIdentity confirmedBatch CoADocumentation supplied

Supplied for laboratory research purposes only — not for human consumption or for medical, veterinary or diagnostic use.

Key features

Key Features

  • Studied in research involving IGF-1 receptor signalling
  • Studied in research involving cell-growth and differentiation models
  • Studied in research involving protein-synthesis signalling
  • Studied in research involving glucose and nutrient-signalling research
  • Batch-specific quality documentation available
Background

About IGF-1 LR3 Peptide UK

IGF-1 LR3 is a modified analogue of insulin-like growth factor 1 containing an extended N-terminus and an arginine substitution. These changes reduce binding to several IGF-binding proteins and create a research profile distinct from native IGF-1.

Research

IGF-1 LR3 Research

IGF-1 LR3 is used in experimental work on IGF-1 receptor signalling, PI3K-AKT and MAPK pathways, cell growth, differentiation, protein-synthesis signalling and nutrient metabolism. The analogue's reduced interaction with binding proteins (Learn more) makes it useful for studying IGF-receptor biology under conditions that differ from endogenous IGF-1 regulation, alongside related growth-factor research such as [Tesamorelin] and [AOD-9604].

  • IGF-1 receptor signalling
  • Cell-growth and differentiation models
  • Protein-synthesis signalling
  • Glucose and nutrient-signalling research
Specifications

Specifications

Product
IGF-1 LR3
Classification
Long R3 analogue of insulin-like growth factor 1
Available strength
1mg
CAS number
143045-27-6
Molecular weight
≈ 9111.45 g/mol (9.11 kDa)
Molecular formula
C400H619N111O115S9 (folded, disulfide-linked form)
Form
Research material supplied according to product label
Purity and assay
99% (HPLC), batch-specific — refer to Certificate of Analysis
Verification
HPLC and Mass Spectrometry where analytically appropriate

Compound-level reference data. Batch-specific results appear on the Certificate of Analysis.

Work out concentration with the peptide calculator
Testing

Purity and Testing

Crown Peptides IGF-1 LR3 is supplied for controlled laboratory research with batch-specific analytical documentation. High-Performance Liquid Chromatography (HPLC) can assess chromatographic purity, while Mass Spectrometry provides molecular information used to support identity verification.

The batch-specific Certificate of Analysis is the definitive source for the exact purity result, identity data and analytical specification of the material supplied.

Storage

Storage Conditions

  • Store unreconstituted material at -20°C ± 5°C in a cool, dry environment
  • Prepared research solutions should use validated storage conditions appropriate to the compound and study design
  • Protect from unnecessary heat, direct light and repeated temperature fluctuations
Full storage guide
Related

Related Compounds

Researchers working with IGF-1 LR3 may also be interested in [Tesamorelin], [AOD-9604], [CJC-1295 with DAC], [GHRP-6] and [MOTS-C] — other compounds studied in growth-factor and metabolic signalling research.

Compliance

Research Use Only

  • Laboratory research only
  • Not for human or clinical use
  • Not for human or veterinary consumption
  • Qualified personnel only
Questions

IGF-1 LR3 Frequently Asked Questions

What is IGF-1 LR3?

IGF-1 LR3 is a modified long-acting research analogue of insulin-like growth factor 1, supplied by Crown Peptides at 1mg strength.

What does LR3 mean?

The name refers to the extended analogue containing an arginine substitution at position 3 together with an additional N-terminal sequence.

What is IGF-1 LR3 researched for?

Research includes IGF-1 receptor signalling, cell growth, differentiation, protein synthesis and nutrient-related signalling.

Why do researchers distinguish IGF-1 LR3 from native IGF-1?

Its structural modifications alter interactions with IGF-binding proteins, so its experimental behaviour differs from endogenous IGF-1.

How should IGF-1 LR3 identity be confirmed?

Because it is a larger peptide analogue, the batch-specific analytical documentation should be used to confirm exact sequence identity, molecular mass and purity.

Read the batch certificate before you order

Every batch is published openly — identity, purity and batch number, with no account needed.

View lab reports

Supplied for laboratory research purposes only — not for human consumption or for medical, veterinary or diagnostic use.

All Batches Purity Tested

Each batch undergoes internal analytical verification using chromatographic and spectrometric methods prior to lyophilisation.

• HPLC Analysis
• Mass Spectrometry Confirmation
• Batch Traceability

For Research Use Only

By purchasing this product you confirm that you are a qualified researcher and that this compound will be used exclusively for laboratory research purposes.

Not for Human Consumption

This product is not intended for diagnostic or therapeutic use.

Any human or medical use is strictly prohibited.

Store Safely at All Times

Store in a cool, dry, secure and sterile environment away from any unauthorised persons or children.

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Further reading

UK research peptides. Every batch HPLC and MS verified, certificate published in full.

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Disclaimer: All products are sold strictly for laboratory research purposes only. Not for human or veterinary use, consumption, therapeutic, or diagnostic application. By purchasing, you confirm you are a qualified professional and legally permitted to handle these materials in compliance with all applicable laws and regulations. Misuse, resale for unauthorised purposes, or unlawful application is strictly prohibited. Crown Peptides UK disclaims all liability for improper use, handling, or regulatory non-compliance.

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