Important dilution note: Cloudiness after dilution is most commonly associated with non-pharmaceutical-grade dilution solution. Cloudy product concerns are not eligible for refund unless Pfizer pharmaceutical-grade dilution solution was used.

Vial Size: 3ml

Form: White Lyophilized Powder

CAS Number: 736992-21-5

Chemical Name: MTS-31

Synonyms: MTS-31; MTP-131; RX-31; Szeto-Schiller Peptide 31

Molecular Formula: C₃₂H₄₉N₉O₅

Molecular Weight: 639.8 g/mol

Sequence: D-Arg-Dmt-Lys-Phe-NH₂ (where Dmt = 2,6-dimethyl-L-tyrosine); a synthetic aromatic-cationic tetrapeptide of the Szeto-Schiller (SS) family of mitochondria-targeted peptides, incorporating a non-natural D-arginine and a C-terminal amide

Purity: ≥99% (HPLC) — see batch COA

Form: Lyophilized white to off-white powder

Storage Conditions: Store at −20°C, desiccated, protected from light. Stable 24 months lyophilized.

Solubility: Soluble in sterile water at ≥1 mg/mL; water-soluble aromatic-cationic peptide

Receptor Activity: Studied for selective binding to cardiolipin in the inner mitochondrial membrane, stabilization of respiratory chain supercomplexes, inhibition of cytochrome c peroxidase activity, and modulation of mitochondrial reactive oxygen species and bioenergetics in cardiomyocyte, renal, and neuronal cell models

Certificate of Analysis: Available for all batches.

For research and laboratory use only. Not for human or animal consumption. This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease or condition. For use by qualified research professionals only.