Every lot we sell is tested by an independent analytical laboratory before it is released for research supply. Purity is determined by high-performance liquid chromatography and identity is confirmed by mass spectrometry. We publish the resulting certificate for each lot, tied to the lot number printed on the container.
Results are searchable in the certificate library, and any certificate can be checked against the container in your hand using the verification page. Verification is open to anyone — you do not need an account to confirm that a certificate we issued is genuine, because a certificate only means something if a third party can check it.
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