Look up a lot
Where to find the lot number
The lot number is printed on the lower part of the vial label, next to the expiry date, and on the outer carton for kits. It usually starts with "LOT".
Certificates by product
How to read a COA
A COA reports the identity, purity and appearance results for one production lot. Check that the lot number on the certificate matches your vial, that identity is confirmed, and that the purity result meets the specification. Our guide on how to read a certificate of analysis explains each field.
Cannot find your lot?
If your lot number does not return a result, email support@chainwellpeptidesaus.com with the product name and lot number and we will send the certificate.