Description
RNX-2S31 10MG
RNX-2S31 10mg (formerly listed as SS-31) is a COA-verified research peptide, a synthetic tetrapeptide supplied as a lyophilized reference standard for laboratory research use only. Each lot is independently analyzed and traceable to its own Certificate of Analysis.
Lyophilized Powder
COA Verified
Technical Specifications
| Chemical Designation | SS-31 (synthetic tetrapeptide) |
| CAS Registry Number | 736992-21-5 |
| Amino Acid Sequence | D-Arg-2,6-dimethyl-Tyr-Lys-Phe-NH₂ |
| Molecular Formula | C₃₂H₄₉N₉O₅ |
| Molecular Mass | 639.79 g/mol |
| Peptide Class | Synthetic 4-residue peptide (tetrapeptide) |
| Physical Appearance | Uniform white lyophilized powder |
Composition & Handling
RNX-2S31 (SS-31) is a synthetic tetrapeptide supplied as a lyophilized reference standard for in-vitro analytical use. Not for use in any living organism.
- Supplied as a 10 mg lyophilized cake / powder in a hermetically sealed sterile glass vial.
- Store the lyophilized powder at -20°C; protect from light and moisture.
- Handling by qualified laboratory personnel only.
Third-Party Testing & Certificate of Analysis
Every lot of RNX-2S31 is submitted to an independent third-party laboratory and analyzed for identity and purity. Results are documented on a per-lot Certificate of Analysis with a unique lot number, making each lot independently traceable to its analytical record. The COA for the current lot is available on our Certificates of Analysis page, and the full research catalog can be viewed in the RNXResearch shop.
Frequently Asked Questions
Is RNX-2S31 the same as SS-31?
Yes. RNX-2S31 is our product name for the compound previously listed as SS-31 — the same synthetic tetrapeptide (CAS 736992-21-5), same testing, same standard, now under our own name. If you’ve purchased it before, RNX-2S31 is the listing to look for.
Is RNX-2S31 10mg COA verified?
Yes. Every lot is analyzed by an independent third-party laboratory for identity and purity, and the results are recorded on a per-lot Certificate of Analysis.
What class of peptide is RNX-2S31?
RNX-2S31 (SS-31) is a synthetic 4-residue peptide (tetrapeptide), CAS 736992-21-5, with the sequence D-Arg-2,6-dimethyl-Tyr-Lys-Phe-NH₂, supplied as a lyophilized reference standard for laboratory research use only.
How is RNX-2S31 10mg supplied and stored?
It is supplied as a 10 mg lyophilized powder in a hermetically sealed sterile glass vial. The lyophilized powder should be stored at -20°C and protected from light and moisture.
What is RNX-2S31 intended for?
RNX-2S31 is supplied strictly as a reference standard for in-vitro laboratory research and analytical use only. It is not for human or animal consumption and not for diagnostic, therapeutic, or clinical use.
Laboratory Research Use Only
This material is synthesized, distributed, and intended solely for in-vitro laboratory research and analytical reference purposes. It is not a drug, food, cosmetic, or dietary supplement. Not for human or animal consumption. Not for diagnostic, therapeutic, or clinical use. By purchasing, the buyer affirms they are a qualified researcher and will handle this material in compliance with all applicable laws and regulations.
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