SS-31 50mg

Discounts for bulk purchases:

Quantity	Price	Discount
5-9	£117.53	3%
10-15	£113.90	6%
16-20	£110.26	9%
21+	£106.63	12%

£121.17

In stock

Our pre-filled cartridges come ready-to-use with bacteriostatic water included in the £14.99 price.

Includes Bacteriostatic Water – 3ml

Pre-filled Cartridge (+£14.99)

What is a Pre-Filled Cartridge?

This option provides your product prepared in a ready-to-use research cartridge format rather than a standard vial.

Prepared on the day of dispatch to maintain maximum stability and integrity.
Supplied in a compatible pen-style research application device for controlled dispensing.
Designed for measured laboratory or research handling, offering greater convenience and consistency compared to manual vial reconstitution.
This format is selected by researchers who prefer a simplified, precise delivery system rather than drawing from a vial.

For laboratory research use only. Not for human consumption or clinical use.

Description

SS-31 (elamipretide) is a synthetic tetrapeptide (CAS 736992-21-5) that binds cardiolipin in the inner mitochondrial membrane, supplied as a lyophilised powder strictly as a reference compound for in-vitro laboratory research. Also known as elamipretide and MTP-131.

Research context (literature reference only)

Published preclinical literature has investigated SS-31 in in-vitro mitochondrial-function assays. These references are provided solely to contextualise the compound as a laboratory reference standard and do not describe any effect in humans.

Specifications

Appearance: White to off-white lyophilised powder
CAS Number: 736992-21-5
Molecular Formula: C₃₂H₄₉N₉O₅
Molecular Weight: 639.8 g/mol
Purity: ≥98% (HPLC)
Format: Lyophilised powder
Vial Size: 50mg
Solubility: Soluble in bacteriostatic water
Storage: Lyophilised at −20 °C; after reconstitution 2–8 °C

Laboratory handling & storage

Store lyophilised at −20 °C; after reconstitution in bacteriostatic water, store at 2–8 °C. Reconstitution and handling information is provided for laboratory reference only and is not administration guidance.

Frequently asked questions

What is the CAS number of SS-31?
The CAS number for SS-31 is 736992-21-5.

What purity is SS-31 supplied at?
SS-31 is supplied at ≥98% (HPLC), independently HPLC-verified. A Certificate of Analysis for each batch is published on our Lab Tests page.

Is a Certificate of Analysis available for SS-31?
Yes – every batch of SS-31 is third-party tested and the COA is available on our Lab Tests page.

How is SS-31 stored and shipped?
SS-31 ships from the UK. Store as noted in the specifications; reconstitution information (where applicable) is a laboratory handling reference only, using bacteriostatic water.

What is the molecular weight of SS-31?
The molecular weight of SS-31 is 639.8 g/mol.