Attention:

We will be conducting system maintenance starting on Friday, December 13th, at 6:00 p.m. (ET) through Sunday, December 15th. During this time, many normal functions normally performed on our website, such as placing an order or paying an invoice, will not be available. We apologize for the inconvenience but will have complete return of services on Monday, December 16th.
X

Product Selection Guides

As the premier global biological materials resource and standards organization, it is our continuing mission to acquire, authenticate, and produce microbial standards, cell lines, and other biological materials that support the advancement of scientific research and development. To quickly find the products you need, use our selection tools below to browse our portfolio.
  • Home