—the "birth certificate" of your chemical—becomes your best friend. For anyone using
: Manufacturing date and Expiry or Recommended Retest date. Expand map
The search results will list all COAs issued for that batch. Look for the . If you see “Version 2” or “Updated: [current date]”, that is your upd . Download the PDF immediately.
Consider this a compliance warning. Using an outdated Certificate of Analysis is now considered a under several frameworks: