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Apex Scientific
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Apex Scientific IG1 labeled research vial

Peptide · IG1

IGF-1 LR3

IGF-1 LR3 is an 83-amino-acid analogue of insulin-like growth factor 1 engineered to retain IGF-1 receptor activity while binding less strongly to IGF-binding proteins.

$801 mg
Service areaEligible U.S. destinations

For laboratory research use only. Not for human or veterinary use. Not intended to diagnose, treat, cure, or prevent disease.

What researchers study

IGF-1 LR3 in context

It is used in laboratory models of IGF-1 receptor signaling, cell growth and differentiation, nutrient response, and the effect of altered IGF bioavailability.

Read the full research profile
IGF-1 receptor signalingCell growthDifferentiationIGF-binding proteins

Reference profile

Identity & specifications

Nominal size1 mg
Purity>99% specificationCatalog specification
Material typePeptide
Catalog codeIG1
Reference identityLong R3 IGF-I reference
Molecular formulaC400H619N111O115S9
Molecular weight≈9,111 g/mol

Reference identities are provided to clarify nomenclature. Salts, counterions, hydration, and analytical conventions can affect reported formula and mass. Consult the linked public record and your own laboratory methods.

Product questions

Before adding
to your bag.

What does the listed purity mean?

It is the catalog specification used to describe the intended material standard.

Is this material intended for human or veterinary use?

No. It is sold solely for lawful laboratory research and may not be consumed, self-administered, compounded for patient use, or used in humans or animals.

Does Apex provide preparation or dosing instructions?

No. Apex does not provide reconstitution, dosing, administration, treatment, or personal-use guidance.

Related catalog records

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Scientific context

Use evidence with precision.

What this profile does

It identifies the material and supplies neutral catalog details useful for research planning and recordkeeping.

What it does not do

It does not establish safety, efficacy, clinical suitability, or an expected human outcome. Preclinical observations cannot be presented as consumer benefits.