COA Explained
A certificate of analysis summarizes testing for a specific sample or batch.
Identity
Confirm that the product name, batch or lot code, and sample identifier match the material being reviewed.
Method and result
Review the stated analytical method, reported values, units, and any method limitations. A purity result does not by itself establish identity, sterility, suitability, or safety.
Dates and laboratory
Review the test date, report date, issuing laboratory, and any report or sample reference numbers.
Exact match required
Do not substitute a certificate from another product, size, or batch.