Verification Center
Verify every batch you receive
Every product PolarLabs ships is independently tested and documented. Request your Certificate of Analysis below using the batch or lot number printed on your label.
Request your Certificate of Analysis
Enter the batch or lot number from your product label or packing slip. This opens your email client with a pre-filled request to our verification team — most COAs are returned within one business day.
Can't find your batch number? It's on the product label and your packing slip. Or email us directly at support@polarlabs.shop.
What we test in every batch
Each batch goes through independent third-party laboratory testing before it ships.
Identity Confirmation
Mass spectrometry confirms the compound matches its labeled identity.
Purity Analysis
HPLC testing verifies purity percentage reported on every Certificate of Analysis.
Contaminant Screening
Batches are screened for heavy metals and residual solvents.
Sterility & Endotoxin
Where applicable, batches are checked for sterility and endotoxin levels.
Where to find your batch number
Your batch or lot number appears in a few places on every order.
Product label
Printed directly on the vial or container label, usually formatted like PL-24061.
Packing slip
Included inside your shipment alongside the itemized order summary.
Order confirmation email
Sent to your inbox at checkout, listing the batch for each item ordered.
Still have questions?
Our team can help verify a batch or walk you through your Certificate of Analysis.
Polar