SS-31 10 mg vial
Cellular and mitochondrial

SS-31

SS-31 is supplied as 10 mg of lyophilized powder in a sealed vial, for laboratory research use only, shipped from Canada.

10 mgLyophilizedResearch use only
$89CAD · per vial
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Shipping is $15 flat per order, and free on orders over $200. Shipping and returns

About

A synthetic tetrapeptide, D-Arg-Dmt-Lys-Phe-NH2, where Dmt is 2,6-dimethyltyrosine, with alternating basic and aromatic residues and a C-terminal amide. Also called elamipretide and the Szeto-Schiller peptide.

In the literature

Appears in mitochondrial-bioenergetics literature, including studies of cardiolipin interaction in the inner mitochondrial membrane.

Storage

Store the sealed vial at −20 °C, protected from light and moisture. Let it reach room temperature before opening.

Supplied as

Lyophilized powder, 10 mg per vial, labelled for research use only.

Reference data

FormulaC32H49N9O5
Average molecular weight639.8 g/mol
Monoisotopic mass639.3857 Da
CAS number736992-21-5
Also known aselamipretide
PubChemCID 11764719

Reference values from PubChem's record for the compound, not measurements of any Solara lot.

Laboratory analysis

LaboratoryVanguard Laboratory (A2LA Certificate 6377.01.01)
ReportV260916-28 007
Report date29 September 2026
Manufacturer's lotSS3109
Sample testedSS-31 10 mg
IdentityPass, matches reference standard
Purity98.69% (HPLC-UV/VIS)
Measured quantity9.96 mg

Analysis of the manufacturer's lot, not of a Solara-labelled vial; Solara labels carry no lot number. Technical data sheet (PDF)

Further reading

Questions

What is SS-31?
A synthetic tetrapeptide, D-Arg-Dmt-Lys-Phe-NH2, where Dmt is 2,6-dimethyltyrosine, with alternating basic and aromatic residues and a C-terminal amide. Also called elamipretide and the Szeto-Schiller peptide.
What does 10 mg on the SS-31 vial mean?
The label states the total quantity in the vial: 10 mg of lyophilized powder. Solara does not publish whether that figure is the gross powder weight or the net peptide content.
What is the molecular weight of SS-31?
PubChem lists an average molecular weight of 639.8 g/mol and the formula C32H49N9O5 (PubChem CID 11764719). This is a computed reference value for the compound, not a measurement of a Solara lot. The label does not state the salt form; a salt has a higher formula weight than this value.
What is the CAS number of SS-31?
The CAS Registry Number given for SS-31 in its PubChem record is 736992-21-5; other salt forms carry other numbers.
How should SS-31 be stored?
Store the sealed vial at −20 °C, protected from light and moisture. Let it reach room temperature before opening.
Where does Solara ship SS-31 from?
Solara ships from Canada. Orders are dispatched within one to two business days of payment, sealed and packed to keep the powder dry and out of light. Prices are in Canadian dollars. Shipping is $15 flat per order, and free on orders over $200.
Is Solara's SS-31 for human use?
No. The SS-31 Solara supplies is a lyophilized powder for laboratory research use only, not for human or veterinary use. This product is not an authorized drug, carries no Drug Identification Number and is not GMP material. The Research use policy states the full condition of supply.
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