Lab Results & Certificates of Analysis

Independent third-party test reports for our research compounds — purity, identity and endotoxin where tested. Click any report to view the full results.

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Understanding a COA

How to Read Our Lab Reports

Each certificate of analysis comes from an independent testing laboratory and covers one specific lot. Here is what to check on every report.

  1. 1
    Match the lot numberCompare the lot on your vial or label with the lot printed on the report.
  2. 2
    Purity (HPLC-UV)The share of the sample that is the target compound, shown as a percentage.
  3. 3
    Identity (LC-MS)Mass spectrometry confirms the compound matches the label, shown as “Confirmed”.
  4. 4
    Endotoxin (LAL)Many batches include a separate endotoxin report showing a pass, tested per USP <85>.
Certificate of AnalysisReal example
Glutathione 600mgReceived 05/06/2026 · Reported 05/08/2026
1Lot numberPM06226
2Purity (HPLC-UV)99.64%
3Identity (LC-MS) Confirmed
mgNet content574.66 mg
4Endotoxin (LAL, USP <85>) Pass
Tested by Freedom Diagnostics TestingView this report →

Can’t find a report for your batch?Tell us the product and lot number and we’ll send the certificate over.

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All products are supplied for in vitro research and laboratory use only. Not for human or veterinary use.