Testing & Quality
Stock is bought by the batch and stands or falls on its Certificate of Analysis. Where a COA is published for a product, match the batch number on your kit to the report and you are reading the results for the exact material you hold.
- Published per batch: A COA describes the batch it names and no other. Reports are attached to the product they belong to, so what you read is what you receive.
- Sourced, not guessed: We buy from suppliers we have used before, and re-test rather than take a certificate on faith.
What a COA tells you
- Product identity — that the kit contains the compound on the label
- Purity — measured by HPLC, expressed as a percentage
- Batch number and test date, matching the label on your kit
- The testing laboratory and the method used
Browse the catalogue — products with a published report carry a View COA button.