Public COA library
Every lot. Every test. Public.
Every lot we ship is tested per lot by HPLC and LC-MS. Scan the QR on your vial, or paste the lot number from your label below.
Lots published
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Avg HPLC purity
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Test method
HPLC · LC-MS
| Lot | SKU | Purity | Endotoxin | Tested | Status | COA |
|---|---|---|---|---|---|---|
| Loading lots… | ||||||
A COA listing here is a public attestation. If a lot you received does not match the published values, contact research@xfactorpeptidelab.com with the order number and lot. Discrepancies trigger automatic replacement under our refund policy.