99%+ purity · USA shipping

IGF & Insulin-Class Peptides

Research-grade lyophilized peptides. Third-party tested, COA available on request, shipped within 24 hours from our USA facility.

Growth factors such as IGF-1 LR3 are studied as tool compounds in cell-signaling and proliferation research. This category features research-grade material supplied at 99%+ purity with a batch-specific Certificate of Analysis. For laboratory research use only.

3rd-party tested · COA on request 24 h dispatch from USA Free shipping on orders over $150 Crypto & card checkout

Working out dilutions before you order? Use the free peptide reconstitution calculator to convert any vial mass and diluent volume into concentration, draw volume and U-100 syringe graduations.

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About IGF & Insulin-Class Peptides

Insulin-class and IGF-family sequences are structurally complex proteins rather than short peptides, with disulfide bonding that materially affects identity confirmation.

What this category covers

This category covers longer insulin-superfamily sequences studied in growth and metabolic research models. Correct disulfide pairing is part of the molecular identity, not an incidental detail.

How these are tested

Documentation for this class should confirm mass consistent with correctly folded material. Our lots report purity by HPLC, identity by mass confirmation, and net content, with storage guidance reflecting the reduced stability of longer sequences.

How to compare within this class

Evaluate whether the reported mass is consistent with the folded form, whether storage conditions are documented, and whether the supplier distinguishes total protein content from net peptide content.

1 compounds in this category99%+ purity thresholdBatch-specific certificate of analysis

Research Use Only. All compounds listed are supplied strictly for in-vitro laboratory research and are not intended for human or veterinary use, diagnosis, treatment, or prevention of any condition.