§-31 (SS-31) Lyophilized Peptide
§-31, also known in the literature as SS-31 or elamipretide, is a small mitochondria-targeting tetrapeptide. It belongs to the Szeto-Schiller family of cell-permeable peptides and is offered here as a lyophilized research powder in 10mg, 35mg, and 50mg vials.
Research Applications
SS-31 is studied for how it concentrates in the inner mitochondrial membrane and interacts with cardiolipin. Laboratory models use it to investigate mitochondrial bioenergetics, electron transport chain efficiency, reactive oxygen species production, and cellular responses to oxidative stress.
Why Researchers Choose It
- Three vial sizes for pilot work through larger studies
- Widely referenced in mitochondrial research
- Lyophilized for stability in storage and transit
- Batch-tracked with third-party COA testing
Product Specifications
| Product | §-31 (SS-31 / Elamipretide) |
| Sequence | D-Arg-Dmt-Lys-Phe-NH2 |
| CAS Number | 736992-21-5 |
| Molecular Formula | C32H49N9O5 |
| Molecular Weight | ≈ 639.8 g/mol |
| Form | Lyophilized (freeze-dried) powder |
| Available Sizes | 10mg, 35mg, 50mg |
| Purity | Verified per batch (see COA) |
Storage & Handling
- Store the sealed vial at -20°C for long-term stability; 2–8°C is suitable for short-term storage.
- Protect from moisture, heat, and direct light. Let the vial reach room temperature before opening to limit condensation.
- Handle in a clean, controlled laboratory environment using appropriate PPE.
Frequently Asked Questions
Is §-31 the same as SS-31?
Yes. §-31 is this store’s listing name for the SS-31 tetrapeptide, also called elamipretide.
What area of research is SS-31 used in?
It is mainly studied in mitochondrial function and oxidative stress models.
Does this product come with a Certificate of Analysis?
Yes. Every batch is supported by independent third-party analytical testing confirming identity and purity.
What does lyophilized mean?
Lyophilized means freeze-dried. Removing water this way gives the peptide a stable powder form that holds up well in storage and shipping.
Is this product approved for human or animal use?
No. It is sold strictly for in-vitro laboratory research.
Research Use Only Disclaimer
This product is supplied strictly for in-vitro laboratory research and analytical use. It is not intended for human or animal consumption, is not a drug, food, or cosmetic, and has not been evaluated or approved by the FDA. No instructions for preparation, administration, or dosage are provided. Purchasers must be 21 or older and are solely responsible for the lawful handling, storage, and use of this material.
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