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SS-31 Research: Mitochondrial Science, Testing and Lab Supply
2026-11-02 · 3 min read
SS-31 stands out as a timely topic for laboratories following mitochondrial peptide research, although its current search ranking cannot be verified without live keyword data. Also known as elamipretide, SS-31 is studied for its interactions with cardiolipin and mitochondrial membranes. For research buyers, a useful overview connects that scientific interest with practical questions about compound identity, analytical evidence, experimental controls, and lot-specific documentation. All products discussed here are for research use only.
What Is SS-31?
SS-31 is a synthetic tetrapeptide commonly described as an aromatic-cationic, mitochondria-targeting peptide. Its research literature frequently focuses on cardiolipin, a phospholipid associated with the inner mitochondrial membrane. That membrane supports the protein complexes involved in oxidative phosphorylation, making its organization an important subject in mitochondrial biology.
SS-31 and elamipretide are useful search terms when reviewing the literature, but a shared name does not establish that materials from different sources are interchangeable. Researchers should confirm the supplied sequence, stereochemistry, terminal modifications, salt form, and analytical identity rather than relying on a product name alone.
Why SS-31 Matters in Mitochondrial Research
SS-31 connects several research interests: membrane organization, cellular bioenergetics, oxidative stress, and mitochondrial responses to experimental stressors. These connections make it a relevant subject for laboratories investigating mitochondrial function. They do not establish that any particular commercial research material will produce a specified experimental outcome.
Evidence should be evaluated at the level of the experimental model. Findings from isolated mitochondrial preparations, cultured cells, or other research settings cannot simply be generalized across systems. When reading a paper, distinguish the proposed mechanism from the endpoints actually measured, and check whether the methods support the authors’ interpretation.
Experimental Questions and Controls to Consider
A clear research question should come before material selection. For example, a laboratory might investigate whether a mitochondrial stress model shows changes in respiration, membrane potential, ATP-related measurements, or oxidative-stress markers. These readouts measure different aspects of biology, and no single assay establishes overall mitochondrial function.
Relevant controls may include vehicle controls, baseline measurements, assay-specific reference controls, and checks for compound interference. Fluorescence-based assays deserve particular attention because changes in signal can reflect interference rather than biology. Recording lot numbers, preparation conditions, and handling history helps separate material-related variation from experimental effects.
What to Verify Before Sourcing SS-31
Ask for a certificate of analysis tied to the exact lot being supplied. Chromatographic testing can describe the relative abundance of detected components under the reported method, while mass spectrometry can support identity assessment. A high HPLC area percentage alone does not establish absolute peptide content, correct stereochemistry, sterility, or suitability for every assay.
Confirm what was tested, which laboratory performed the analysis, and whether the documentation includes methods and interpretable results. Depending on the experiment, additional information about counterions, residual solvents, water content, endotoxin, or peptide content may be relevant. Do not assume these attributes were evaluated unless the documentation explicitly reports them.
Planning Research Peptide Kit Purchases
Wholesale American Peptides supplies research peptides in 10-vial kits with a one-kit minimum and a third-party COA per lot. Before planning an SS-31 purchase, confirm current product availability, vial specifications, and the applicable lot documentation directly. A kit’s vial count should not be confused with the amount of peptide in each vial.
Shipping is $19.99 for 1–2 kits, $24.99 for 3–4 kits, and free for 5 or more kits. Volume discounts are 5% at 2 kits, 7% at 3 kits, 12% at 5 kits, and 20% at 10 kits. Match purchasing volume to documented experimental needs, storage capacity, and expected material use rather than buying excess inventory solely to reach a discount threshold.
Frequently asked
- Are SS-31 and elamipretide the same research compound?
- SS-31 is a commonly used designation for elamipretide. When sourcing research material, still verify its chemical specifications, salt form, and lot-specific analytical identity. Names alone do not establish equivalence between supplied materials.
- What is the connection between SS-31 and cardiolipin?
- SS-31 is studied for interactions with cardiolipin, a phospholipid associated with the inner mitochondrial membrane. Researchers investigate these interactions in relation to membrane organization and mitochondrial function, with conclusions dependent on the model and methods used.
- Does a high purity percentage guarantee assay suitability?
- No. A chromatographic purity result describes one analytical attribute under a particular method. Assay suitability may also depend on identity, peptide content, counterions, contaminants, handling, and other experiment-specific requirements.
- Are these research peptide kits intended for administration?
- No. Wholesale American Peptides products are for research use only, not for human or animal administration. Research labeling and analytical documentation do not establish suitability for medical use.