Research use only

Buy SS-31 Research Peptide

Mitochondria-targeted tetrapeptide for preclinical bioenergetics research, with a published third-party Certificate of Analysis and same-day USA shipping.

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For research and identification purposes only. Not for human consumption.

Specifications

  • Size: 10mg
  • Form: Lyophilized powder, sealed vial
  • Molecular formula: C₃₂H₄₉N₉O₅
  • Molecular weight: 639.79 g/mol
  • Storage: −20 °C, protected from light
  • Certificate of Analysis: Published

What is SS-31?

SS-31 is a mitochondria-targeted tetrapeptide of the Szeto-Schiller class. In preclinical research it has been studied for its selective association with cardiolipin on the inner mitochondrial membrane, its influence on electron transport chain efficiency, and mitochondrial structure in cellular models. Sold strictly for in-vitro research and identification purposes — not for human or veterinary use.

Purity & Testing

  • HPLC purity reporting. Purity quantified by high-performance liquid chromatography and reported on the product's COA.
  • Identity confirmed (LC-MS). Identity confirmed by LC-MS (Freedom Diagnostics Testing), as reported on the product's COA.
  • COA published. Independent third-party Certificate of Analysis from Freedom Diagnostics Testing in our COA database.
  • Ships from USA. Same-day processing, 2–4 day domestic delivery.

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Frequently Asked Questions

What is SS-31?

SS-31 is a mitochondria-targeted tetrapeptide (Szeto-Schiller class) studied in preclinical models for its selective association with cardiolipin on the inner mitochondrial membrane and its effects on electron transport efficiency. Sold strictly for in-vitro research and laboratory identification purposes.

Is SS-31 FDA approved?

No. The SS-31 supplied by Excalibur Peptides is not approved by the FDA for human or veterinary use. It is offered exclusively as a research chemical for laboratory and identification purposes, not for human or veterinary use of any kind.

How is SS-31 tested?

SS-31 is analyzed by an independent third-party laboratory using HPLC for purity quantification and mass spectrometry for identity confirmation. A Certificate of Analysis (COA) is published for this product in the COA database.

What is the purity of your SS-31?

The HPLC purity result for SS-31 is reported on its Certificate of Analysis, which is linked from the product page and listed in the COA database.

Where does it ship from?

Orders ship from Austin, Texas. Orders placed before 2 PM EST on a business day ship the same day, with full tracking, typically arriving in 2–4 business days within the U.S.