CAS No. 736992-21-5

Batch: Purity:99.37
Elamipretide (SS-31, MTP-131) Chemical Structure
Chemical Structure
Check the Elamipretide (SS-31, MTP-131) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (2S)-6-amino-2-[[(2S)-2-[[(2R)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-(4-hydroxy-2,6-dimethylphenyl)propanoyl]amino]-N-[(2S)-1-amino-1-oxo-3-phenylpropan-2-yl]hexanamide
CAS Number 736992-21-5
Molecular Formula

C32H49N9O5

Molecular Weight (MW) 639.79
SMILES CC1=C(CC(NC(=O)C(N)CCCNC(N)=N)C(=O)NC(CCCCN)C(=O)NC(CC2=CC=CC=C2)C(N)=O)C(=CC(=C1)O)C
InChIKey SFVLTCAESLKEHH-WKAQUBQDSA-N

Ordering Information

Biological Activity

Elamipretide (SS-31) is a mitochondria-targeted peptide and cardiolipin peroxidase inhibitor. By selectively binding cardiolipin in the inner mitochondrial membrane, it inhibits cardiolipin peroxidase activity and prevents cardiolipin peroxidation. This action suppresses mitochondrial reactive oxygen species generation, preserves cristae architecture, and maintains ATP synthesis, thereby mitigating mitochondrial dysfunction and reducing oxidative cell damage in pathological models.

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
Water 100 mg/mL
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

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Note: Technical data last updated: Sep 1, 2026.