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

SS-31 (15mg) Lot $3115N062025: Certificate of Analysis (COA)

Paramount Peptides · tested Jun 29, 2025 by Janoshik · Most recent COA

HPLC purity
99.46%
Identity
Not reported
Test date
Jun 29, 2025

This page summarizes the third-party lab report for lot $3115N062025 of SS-31 (15mg) sold by Paramount Peptides. The lot number on this page should match the lot printed on the vial label. Don't rely on this summary alone: use the button to open the lab's own record and compare the lot, date and results.

Lot-matchedResults are tied to lot $3115N062025, not to the product in general.
Outside labTested by Janoshik, not by the vendor or by us.
Checkable at the sourceTask number + unique key links to the lab's own record.
Original documentThe vendor's copy of the COA is shown below, unedited.

SS-31 (15mg) lot $3115N062025 test results, explained

Every result printed on this certificate, as reported by Janoshik, with a plain-English note on what the test measures. "Pass" and "specification" wording comes from the certificate; where the lab prints no pass/fail, we say so.

TestResult on the certificateWhat it measuresThis lot
HPLC purity99.46% · Per vial: 99.460%; 99.526%; 99.621% (lowest, 99.460%, shown)HPLC separates the sample into its components; purity is the share of the detected signal that sits in the main peak. On its own it doesn't show which molecule that peak is. That's what the identity test is for.No pass/fail printed; reported value at or above 98%
IdentityNot reportedThis certificate doesn't report an identity test, so it doesn't confirm which molecule is in the vial. Purity and quantity alone can't tell you that.Not tested on this certificate
Quantity (measured content)SS-31 16.53 mg; 19.90 mg; 16.32 mg.How much peptide the lab measured in the vial, compared with the amount printed on the label.Reported

Lot and report details

Lot / batch number$3115N062025
Product (as labeled by vendor)SS-31 (15mg)
Labeled vial size15 mg
Testing laboratoryJanoshik
Tests requestedAssessment of a peptide vial or vials
Testing orderedJun 25, 2025
Sample received by labJun 27, 2025
Report dateJun 29, 2025
Task number + unique keyTask #69521, key HD8EQPH9YPVV
Lab-record checkNot checked automatically. Open the lab's record to compare.
VendorParamount Peptides
VerifyOpen Janoshik's record ↗

The certificate itself

Page 1 of the certificate of analysis for SS-31 (15mg) lot $3115N062025 (Janoshik)
Page 1 of the certificate (Paramount Peptides (vendor's copy)), saved here as an image so the page stays fast. Open the original image ↗ · Source ↗ (vendor lookup page; affiliate link)

About Janoshik

An independent analytical lab based in Prague, Czech Republic (Janoshik s.r.o.). Each report carries a task number and a unique verification key.

Accreditation: No accreditation is printed on these reports, and we found no published ISO/IEC 17025 accreditation for the lab (checked Oct 7, 2026).

Tests: On the reports here: HPLC purity and the measured content per vial. Other tests appear only when they're listed under Results.

How to verify: Go to janoshik.com/verify and enter the unique key printed on the report (the report's QR code links there too). Janoshik blocks automated checks, so we haven't matched these records ourselves.

Open Janoshik's record ↗

Lab info from: janoshik.com · checked Oct 7, 2026.

Compound reference: SS-31

Also called
elamipretide; Bendavia; MTP-131
Sequence
D-Arg-Dmt-Lys-Phe-NH₂ (Dmt = 2′,6′-dimethyltyrosine) (4 residues)
Formula
C32H49N9O5
Mol. weight
639.8 g/mol
CAS
736992-21-5
Source
PubChem CID 11764719 ↗

A synthetic tetrapeptide (Szeto-Schiller peptide 31), also known by the drug name elamipretide. Reference data only; it describes the molecule, not any use of it. For laboratory research use only.

SS-31 research profile · Where to get lab-tested SS-31

Also available from Peptira

SS-31 is also carried by Peptira, our other tested supplier. These are the most recent SS-31 certificates we have from them; each links to its own lot page.

ProductLotReport dateLabHPLC purity
SS-31 Vial 50 mgSS50-005Jul 3, 2026Freedom Diagnostics99.95%
SS-31 Vial 10 mgSS10-004Apr 12, 2026Freedom Diagnostics99.96%
SS-31 Vial 50 mgSS50-004Dec 26, 2025Freedom Diagnostics99.96%
SS-31 Vial 50 mgSS50-003Dec 23, 2025Freedom Diagnostics99.91%
SS-31 Vial 10 mgSS10-003Nov 20, 2025Freedom Diagnostics99.59%

Where to get lab-tested SS-31: products, sizes and latest COAs →

What to check on your vial

How to check this COA in under a minute

  1. Find the lot number on your vial label and confirm it reads $3115N062025.
  2. Open Janoshik's record with the button above, or go to www.janoshik.com and enter Task #69521, key HD8EQPH9YPVV.
  3. Compare the lot number, test date, purity and identity result with the table above. They should be identical.
  4. New to COAs? Read How to read a peptide COA for what HPLC purity and mass spec identity mean.

Questions about lot $3115N062025

What HPLC purity did SS-31 (15mg) lot $3115N062025 test at?

Janoshik reported 99.46% HPLC purity for lot $3115N062025 in a report dated Jun 29, 2025.

How do I verify the COA for lot $3115N062025?

Go to www.janoshik.com and enter the task number + unique key Task #69521, key HD8EQPH9YPVV. The lab's own record should show lot $3115N062025 with the same dates and results as this page.

Is lot $3115N062025 the newest SS-31 (15mg) lot from Paramount Peptides?

It's the most recent SS-31 (15mg) certificate we have on file from Paramount Peptides as of Oct 8, 2026. Vendors can ship a newer lot before its certificate is posted, so check your vial label.

Does this certificate apply to my vial?

Only if the lot number printed on your vial reads $3115N062025 exactly. A certificate of analysis covers one lot; it says nothing about other lots of the same product.

Other lots and COAs

SS-31 (15mg) at Paramount Peptides

Lab-tested lot $3115N062025 · 99.46% HPLC purity · Janoshik

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Affiliate disclosure: We earn a commission if you buy through the vendor links on this page, at no extra cost to you. Peptides & Coffee is an independent COA reference and is not owned by or affiliated with the vendors or labs listed. Lab results are published by the vendors and labs; we link to each lab's own verification record so you can check them yourself. Stock and lots change: the vendor may be shipping a newer lot than the one on this page, so check your vial label.