Description
SS-31 Peptide (10mg & 50mg) – Mitochondrial Research Compound
Research Overview
SS-31 is a synthetic tetrapeptide with the sequence D-Arg-Dmt-Lys-Phe-NH2. First of all, it targets the inner mitochondrial membrane and interacts with cardiolipin, a phospholipid found in mitochondria. Unlike other mitochondrial peptides, SS-31 specifically binds to the mitochondrial membrane and influences electron transport chain activity in research models.
In research settings, scientists study SS-31 for its effects on mitochondrial function, oxidative stress pathways, and cellular energy production. In addition, researchers use it to investigate mitochondrial dynamics, including fission and fusion processes. As a result, SS-31 has become a valuable tool in mitochondrial biology and bioenergetics research.
When researchers buy SS-31 peptide, they look for proven purity, full lab reports, and quick USA shipping. Johnson Peptide delivers all three. Therefore, if you search for SS-31 for your lab work, you have come to the right place.
Key Research Applications
Researchers who study SS-31 peptide use it in several laboratory settings:
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Mitochondrial Function Studies: Scientists use SS-31 to investigate mitochondrial respiration, electron transport chain activity, and ATP production in controlled models.
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Oxidative Stress Research: SS-31 provides a model for studying reactive oxygen species (ROS) production and antioxidant defense pathways.
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Cellular Energy Regulation: Researchers examine SS-31’s effects on mitochondrial bioenergetics and metabolic signaling pathways.
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Mitochondrial Dynamics Studies: Scientists study SS-31’s influence on mitochondrial fission, fusion, and morphology in research models.
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Comparative Studies: SS-31 is compared against other mitochondrial-targeted compounds to understand structure-activity relationships.
For related research, SS-31 is often studied alongside other mitochondrial compounds such as MOTS-c for comparative analysis of mitochondrial signaling pathways.
Product Specifications
| Specification | Detail |
|---|---|
| Peptide Type | Synthetic Tetrapeptide |
| Sequence | D-Arg-Dmt-Lys-Phe-NH2 |
| Molecular Formula | C₃₂H₄₉N₉O₅ |
| Molecular Weight | Approximately 639.8 g/mol |
| CAS Number | 1440241-69-7 |
| Purity | ≥99% (HPLC verified, third-party tested) |
| Form | Lyophilized (freeze-dried) powder |
| Storage | Store at -20°C. Protect from light and moisture. |
| Synonyms | Bendavia; MTP-131 |
Available Strengths
| Strength | Catalog Code | Best For |
|---|---|---|
| 10mg | JP-SS31-10 | Small-scale in vitro screening |
| 50mg | JP-SS31-50 | Standard research protocols |
Why Choose SS-31 for Research?
| Feature | Benefit for Your Research |
|---|---|
| Mitochondrial Targeting | Specifically targets the inner mitochondrial membrane |
| Cardiolipin Interaction | Binds to cardiolipin, a key phospholipid in mitochondrial function |
| Tetrapeptide Structure | Well-characterized sequence with published research |
| ≥99% Purity | Reduces experimental variables for reproducible results |
Quality Assurance
When you buy SS-31 peptide from Johnson Peptide, you get:
| Quality Step | What This Means for Your Work |
|---|---|
| HPLC Check | Confirms ≥99% purity, so your tests have fewer unknowns |
| Mass Spectrometry | Validates molecular weight and peptide identity |
| Outside Lab Test | A second lab checks our work for fair results |
| Certificate of Analysis | Full records for each batch we ship |
| Trackable Batch | Each vial links to its own lab report |
As a result, you can trust your supplies stay the same from batch to batch. This matters a lot for getting results you can repeat.
View our Certificate of Analysis library for batch-specific documentation.
How to Store, Mix, and Handle (For Lab Use)
Good handling keeps your peptide stable for your tests:
Storage (Before Mixing)
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Keep at -20°C (freezer)
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Shield from light (use dark vials or foil)
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Shield from wetness (keep drying packs nearby)
How to Mix
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Use sterile bacteriostatic water or sterile saline
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Swirl gently—do not shake hard
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Measure based on your test needs
Storage (After Mixing)
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Keep cold at 2-8°C
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Use within 14 to 30 days based on your plan
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Do not freeze and thaw more than once (split into small doses first)
Frequently Asked Questions
Q: What is SS-31 peptide?
A: SS-31 is a synthetic tetrapeptide (D-Arg-Dmt-Lys-Phe-NH2) that targets the inner mitochondrial membrane. It is used in laboratory research for mitochondrial function studies.
Q: What is the amino acid sequence of SS-31?
A: The sequence is D-Arg-Dmt-Lys-Phe-NH2.

Why Choose Johnson Peptide for SS-31?
| Feature | What You Get |
|---|---|
| ≥99% Purity | Outside labs check every batch |
| Certificate of Analysis | Full documentation with each order |
| USA Shipping | Fast, trackable delivery across the US |
| Research-Use Only | Clear compliance labeling |
| Expert Support | Our team answers lab questions |
Related Research Products
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MOTS-c Peptide → – Mitochondrial-derived peptide for metabolic research
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Research Peptides Collection → – Browse all our research compounds
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Certificate of Analysis Library → – View batch-specific documentation
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Contact Us → – Questions about SS-31 or other peptides?
Ready to Order?
Ready to buy SS-31 peptide for your lab work? Select your strength above (10mg or 50mg) and add to cart. Every order comes with a Certificate of Analysis and ≥99% purity verification.
Have questions before you buy? Contact us or email salesagent@johnsonpeptide.com
⚠️ Important Note: All Johnson Peptide products are for laboratory research only. None of our products are for human or animal use, health treatment, or disease care. By purchasing, you confirm you are a trained researcher at least 21 years old. View our Privacy Policy for more information.







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