Frequently Asked Questions
Ordering, shipping, and research use — answered by category.
Ordering & Payment
Information about purchasing, payments, and larger orders.
Which Payment Methods Are Accepted?
Available payment methods are displayed during checkout. Certain payment options or account terms may only be available to qualifying customers.
Can I Change or Cancel an Order?
Contact our support team as soon as possible. Changes or cancellations may be possible before an order enters fulfillment, but we cannot guarantee modifications once processing has begun.
Do You Offer Volume Pricing?
Yes. Volume and bulk-purchasing options may be available for qualifying orders. Visit our Bulk Purchasing page or contact us for additional information.
Will I Receive an Order Confirmation or Invoice?
Order confirmation is sent using the contact information provided during checkout. Available order records and documentation can also be accessed through your account where applicable.
Still have questions?
We'll answer directly.