Welcome to Order Center

You can order conveniently with us online, by email, phone or fax. Alternatively, you can also choose to purchase all our products through our partners Fisher Scientific (Tel: 1-800-766-7000) or VWR International (Tel: 1-800-932-5000).

Our Ordering and Remittance Address:

BioAssay Systems

3191 Corporate Place

Hayward, CA 94545. USA


Tel: 510-782-9988

Toll Free: 877-782-3888 (USA)

Fax: 510-782-1588

Email: info@bioassaysys.com


Online Order at BioAssay Systems
  • If you are a first time visitor, please click on "My Account" and then "Register" to obtain an on-line account.
  • If you are a returning visitor and have already registered, you may log in with your email address and password.
  • Once you logged into the site, you can find a product by using the Search function (catalog number, keyword, or product name), or simply click the "Products" icon to find a product. You may add items into your cart by clicking on the shopping cart icon next to the item.
  • You can view items in your shopping cart by clicking on the "Shopping Cart" icon on the left panel, where you can modify your cart or proceed to check out.
  • At the checkout screen, you may choose to pay by credit card or purchase order.
  •   - For credit card, your default credit card information that was entered during registration will show up on the screen.
        You may also change to a new card if you wish.
      - For purchase order, you will be asked for your purchase order number.
  • Enter all fields and click Continue. Then review your order and click on "Submit Order" icon. A confirmation email will be sent to the account's contact person.
  • You may update your account information at any time by clicking on the "My Account" icon.
  • If you encounter any problems or have any questions, please contact us at 1-877-782-3888 or info@bioassaysys.com, and we will be happy to assist you.


BioAssay Systems is committed to producing innovative, high-quality and cost-effective products
and to providing expert technical service to our valued customers