Cellular & Immune Research

SS-31

Elamipretide · mitochondria-targeting tetrapeptide

Also known as Elamipretide, MTP-131, Bendavia.

A cell-permeable tetrapeptide that concentrates in the inner mitochondrial membrane and binds cardiolipin, used in mitochondrial-function and oxidative-stress research.

Current lot: SN-SS3-2608
Purity: 99.42% by HPLC
Tested: Aug 13, 2026
Stocked in: United States

Synamino Sciences research vial with a silver cap on a teal background

Ships from

Vial size

$79.00

USD · 10 mg · In stock

Qty

Order by 2:00 PM PT for same-day dispatch from Reno, Nevada. 1–3 business days by USPS Priority and UPS. Free shipping over $150.00.

For laboratory research use only. Not for human or veterinary use.

About the compound

SS-31 (elamipretide) belongs to the Szeto-Schiller family of aromatic-cationic peptides. Its affinity for cardiolipin makes it a standard tool for probing electron-transport-chain efficiency and mitochondrial cristae structure.

Supplied as a lyophilized powder.

Studied inMitochondrial function · Cardiolipin binding · Oxidative stress

Certificate of analysis

The certificate for the lot currently shipping. Every vial in that lot carries the same lot number on its label.

Certificate of analysis

SS-31 · 10 mg

Lot SN-SS3-2608 · tested Aug 13, 2026

99.42%

Purity by HPLC

Labeled: 10 mg
Measured: 10.2 mg
Panel: 6 passed · 2 reported
Laboratory: Independent ISO/IEC 17025 accredited laboratory

Assay	Method	Result	Outcome
Appearance	Visual	White lyophilized powder	Pass
Purity	HPLC · spec ≥ 98%	99.42%	Pass
Net peptide content	HPLC	10.2 mg	Reported
Identity	LC-MS	Confirmed	Pass
Heavy metals	ICP-MS	Not detected	Pass
Sterility	USP <71>	No growth	Pass
Endotoxin	LAL · USP <85>	< 0.05 EU/mL	Reported
Residual solvents	GC-HS	Within limits	Pass

Specification and storage

CAS number: 736992-21-5
Molecular formula: C32H49N9O5
Molecular weight: 639.8 g/mol
Residues: 4
Sequence: D-Arg-Dmt-Lys-Phe-NH2
Reference record: PubChem entry

Storage

Sealed lyophilized vials are stable at room temperature for short periods; store at 2–8 °C for routine use.
For long-term storage keep sealed vials at −20 °C, protected from light and moisture.
Reconstituted solutions should be refrigerated at 2–8 °C and used within the period defined by your laboratory's protocol.

Literature

Peer-reviewed publications on this compound. Provided for reference; they are not claims about this product.

01
Journal of Neuroinflammation · 2019
Elamipretide (SS-31) improves mitochondrial dysfunction, synaptic and memory impairment induced by lipopolysaccharide in mice
Zhao W, Xu Z, Cao J, et al.
02
GeroScience · 2023
The mitochondrially targeted peptide elamipretide (SS-31) improves ADP sensitivity in aged mitochondria by increasing uptake through the adenine nucleotide translocator (ANT)
Pharaoh G, Kamat V, Kannan S, et al.
03
Frontiers in Cellular Neuroscience · 2017
Elamipretide (SS-31) Ameliorates Isoflurane-Induced Long-Term Impairments of Mitochondrial Morphogenesis and Cognition in Developing Rats
Wu J, Hao S, Sun XR, et al.

Studied alongside

MOTS-c
Mitochondrial-derived peptide
from $42.00
Humanin
Mitochondrial-derived peptide
from $59.00
NAD+
Nicotinamide adenine dinucleotide
from $52.00

Research notice

SS-31 is supplied for in vitro laboratory research and analytical use by qualified professionals. It is not a medicine, supplement or cosmetic, has not been evaluated by any regulator, and is not for human or veterinary use. Published findings cited on this page are provided for reference and are not claims about this product.