Help Center

Tips on using Science Exchange for R&D services.

How and when to submit Payments

Payment Methods

Science Exchange accepts the following methods of payment:

  • Mailed check
    • Please make the check payable to Science Exchange, Inc. and reference your order number in the note.
    • Send the check to Science Exchange, Inc., at 555 Bryant St. #939, Palo Alto, CA 94301, USA.
  • Domestic/ international wire transfer/ ACH
  • Purchase order (PO)
      • Please generate a PO issued to Science Exchange, Inc. at 555 Bryant St. #939, Palo Alto, CA 94301, USA.
      • Make sure to include the 6-digit order number on the PO and in any supporting documents or correspondence.
      • Submit PO to [email protected]
        • Include one (1) PO per email in .PDF format
        • Include the 6-digit order number in the subject line of the email
        • Include Unique PO Number
        • Quantity, price and description should mirror quote format
      • Alternatively, mail it to Science Exchange, Inc. 

    Once you’ve submitted your PO to Science Exchange, we will invoice against the PO once your payment is due. There is no further action required of you.

You can always access your purchase order information on the corresponding order page on Science Exchange as follows:

  • Find the PO name/number prominently shown in the “Order Summary.”
  • If multiple POs are applied to a given order, they will all be listed together.
  • If there are multiple versions of a single PO, the most recent version will be shown.

If you need our W-9, or have any other billing inquiries, please contact [email protected] or call (855) 467-2439. Please have the 6-digit order number available so we can assist you as quickly as possible.

When is my payment due?

When the Provider has completed work and their invoices have been processed, you’ll see a message on the timeline like the one below. Science Exchange will email an invoice to you or your organization for payment according to the payment terms on your Purchase Order.