Quality & COA
Perth BioTech provides Certificates of Analysis (COAs) where available to support research traceability and laboratory documentation.
Each COA typically includes:
- Batch / lot identification
- Analytical testing references
- Specification confirmation
- Date of analysis

How to Verify a COA Using Janoshik
- Navigate to the QSC product page for the compound you are purchasing.
- Click the Certificate of Analysis link on the product page.
- Note the Janoshik batch reference number in the COA header or footer.
- Go to verify.janoshik.com.
- Enter the batch reference number in the search field.
- The Janoshik record will display: compound name, purity result, molecular weight data, and test date.
- Confirm these match the values stated on the COA.
