To prevent fraud, new UPD-compliant COAs contain encrypted QR codes and hash values. Scanning the code takes you directly to Unichem’s validation server to confirm the document hasn't been altered.
A: Unichem provides a 24/7 automated phone system where you can input the batch number and receive a verbal summary of the latest test results (purity, expiry). Record this call as a temporary COA. unichem chemical reagents certificate of analysis upd
