Third-party tested · Every certificate published

SS-31 COA and purity data: 4 third-party test results

Across 4 third-party test results for SS-31, issued by an independent laboratory between Aug 3, 2026 and Sep 3, 2026, documented HPLC purity ranged from 99.71% to 99.89%, with a mean of 99.78% and a median of 99.76%. The issuing laboratory was Accurate Test Labs. Every certificate is published in full and linked below.

4Documented results
99.78%Mean HPLC purity
99.71 - 99.89%Range
1Laboratory
Distribution

Every SS-31 result on one scale

99%99.25%99.5%99.75%100% 99% RELEASE STANDARD
One tick per documented result. The dashed line is the 99% release standard. 1 further certificate is on file as a scanned image without a machine-readable figure and is listed below but not plotted.
The record

Every SS-31 COA, newest first

Report dateHPLC puritySizeLaboratoryIdentity (MS)Certificate
Sep 3, 2026 99.71% 10mg Accurate Test Labs Confirmed Certificate (PDF)
Aug 18, 2026 99.73% 10mg Accurate Test Labs Certificate (PDF)
Aug 3, 2026 99.79% 10mg Accurate Test Labs Confirmed Certificate (PDF)
Mar 23, 2026 Image on file Third-party lab Certificate (PDF)
Not stated 99.894% 10mg Third-party lab Confirmed Certificate (PDF)

Purity is the main-peak area percentage by high-performance liquid chromatography as reported by the laboratory. Identity was confirmed by mass spectrometry on 3 of these certificates. Figures are computed from the public archive each time the site is built, and nothing is left out: low results stay in the table. How to read a COA.

Related

More on SS-31

Where can I see the COA for SS-31?

Every SS-31 certificate Eon Peptides holds is published on this page, 4 of them with a numeric HPLC result, each linking to the laboratory's own PDF. There is no login and no request form. The batch code on a vial label resolves to its certificate on the verify page.

Is SS-31 third-party tested?

Yes. Testing is carried out by Accurate Test Labs, not by Eon Peptides, and the issuing laboratory is printed on every certificate. Across 4 published results the documented HPLC purity runs 99.71% to 99.89%.

What purity has SS-31 tested at?

In 4 documented third-party HPLC results on file, SS-31 tested between 99.71% and 99.89%, with a mean of 99.78%. Each result is a main-peak percentage reported by the laboratory named on that certificate.

Who tested SS-31?

Accurate Test Labs. The laboratory is printed on each certificate; Eon Peptides does not test its own product.

How do I match a vial of SS-31 to its certificate?

Enter the batch code from the vial label on the verify page, or open the certificate for the matching report date in the table on this page.

For research use only. Not for human or veterinary use. These are analytical results for research materials and say nothing about use in people or animals.