Forumshangdong yixin · Shop talk · 8 replies
✓ Purity · passShop-provided sample

SS-31 (Elamipretide) × Offline Peptides — lab test, August 2026

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Tested · submitted by @offlinepeptides 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →
HPLC Purity
99.79%
✓ Excellent purity only
Counts toward Offline Peptides's Trust Score until 22 Aug 2028
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Independent verification available

Freedom Diagnostics publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

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Test results

6 data points
Purity
99.79%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
12.58 mg
Qty match
126% of labeled · +26%
Batch / Lot
OP-2S10-0826
COA number
2608170248
Tested by
Freedom DiagnosticsView profile →

Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 10 mg · Lab measured 12.58 mg

126% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 3.1 mg using the measured mass, against 2.5 mg on the label — 26% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Independent HPLC purity analysis of SS-31 (Elamipretide) from Offline Peptides, performed by Freedom Diagnostics on August 22, 2026. Reported purity: 99.79%. Net content: 12.58 mg against 10 mg labeled (126% of label). Tested content exceeds the labeled amount by 26%. Batch OP-2S10-0826. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Freedom Diagnostics · Aug 22, 2026 · Batch OP-2S10-0826

Other lots of SS-31 (Elamipretide) from Offline Peptides

LotTestedLabPurityvs labelStatus
OP-2S50-092616 Sept 2026Freedom Diagnostics99.65%94%Unverified
OP-2S10-072612 Jul 2026Freedom Diagnostics99.88%128%✓ Lab-verified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

8 tests

The 260 other SS-31 (Elamipretide) tests on Peptigrity range from 97.00% to 99.99%. This one sits at 99.79%.

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