Frequently Asked Questions

Customers must be at least 18 years old and legally authorized to place the order. Products identified as Research Use Only may be purchased only for legitimate laboratory research by qualified professionals working in an appropriately controlled setting.

A Research Use Only product is not for human or veterinary use and is not intended for clinical, diagnostic, therapeutic, curative, disease-prevention, cosmetic, food, drug, household, agricultural, consumption, or other non-research applications. Product documentation and all applicable handling requirements must be followed.

Available Certificates of Analysis and other product resources are listed on the applicable product page. Documentation can vary by product or lot. Contact us if you need help locating a specific record.

Products with size options may have separate availability for each size. The product page shows which options can currently be selected. Some products may remain available to order while inventory is being replenished.

You can complete checkout as a guest or create a customer account. An account provides saved addresses, order history, shipment updates, support tools, and faster reordering.

Yes. Registered customers can save, edit, and remove multiple billing and shipping addresses from the customer account.

Registered customers can open Order History and use Reorder to add currently available products from a previous order to the cart. Any item that is no longer available will be identified before it is added.

An order may be cancelled before it has shipped. Use Cancel Order from the order details page when the option is available, or contact us immediately for assistance. An order or shipment that has already left our facility can no longer be cancelled.

The payment options available for an order are displayed during checkout. Availability can depend on the customer account and current store settings.

Submit the order using Pay by Account and our team will arrange payment according to the approved business account terms. Payment status and later payment updates will appear with the order.

The current store does not directly collect or store complete payment-card numbers. If an external payment processor is enabled, payment credentials may be collected and processed directly by that provider.

A registered customer can submit tax-exemption information and supporting documentation from the customer account. Exempt treatment applies only after the request has been reviewed and approved for the applicable transactions and jurisdictions.

Shipping is calculated during checkout using the order, destination, and applicable shipping settings. The available charge is displayed before the order is submitted, and qualifying orders receive the current free-shipping offer automatically.

We use a combination of carriers and services so each shipment can be fulfilled in the fastest reasonable manner available for its destination, package, and service level. The carrier may vary by order or shipment.

When tracking is available, the carrier, tracking number, delivery progress, and estimated delivery information appear in the customer account. Updates may also be sent by email. Carrier scans can take time to appear.

Yes. We may divide an order into multiple shipments when doing so helps complete fulfillment efficiently. Each shipment will have its own contents, status, and tracking information when available.

All sales are final. Returns are not routinely accepted and may be considered only under special circumstances. Contact us to discuss the order before sending any product back. Contacting us does not guarantee approval.

Contact us promptly with the public order number, a clear description of the issue, and any relevant details or photographs. We will review the circumstances and explain the available next steps. Do not return a product without written authorization.

Yes. Tell us about the product, intended research use, estimated quantity, documentation requirements, and desired timeline so our team can review the request.