Frequently asked questions
Everything qualified researchers ask before ordering. Still unsure? Our team replies within one business day.
Each production lot is sent to an independent laboratory for HPLC-UV and ESI-MS analysis before release. The resulting Certificate of Analysis is matched to the batch number printed on the vial, and a copy ships with every order alongside the QR record.
Lyophilised material should be kept sealed, protected from light and stored within the temperature range stated on its Certificate of Analysis. Our Journal covers laboratory storage and handling practice in more detail.
Orders are cold-chain packed and dispatched from our Tampa facility once payment has cleared and our verification checks are complete. Processing times are estimates and are not guaranteed. Tracking is emailed as soon as the courier scans the parcel, and all packaging is plain and unbranded.
Because these are temperature-sensitive reference materials we cannot restock opened items. If an order arrives damaged, or an analysis discrepancy against the supplied COA is documented, contact us within 14 days and we will replace the lot or refund the order in full.
Yes. A research account is required to place an order, and guest checkout is not available. During registration we ask for your company or institution name and your research field. Your account also gives you order history, saved COA downloads and restock notifications.