| Nice PR this week. Chemdex Procurement Solutions Gain Widespread Adoption In the Life Sciences Market 
 Delivering Flexible, End-to-End Procurement for Customers Of All Segments, All Sizes
 
 PALO ALTO, Calif., Sept. 14 /PRNewswire/ -- Chemdex(TM) Corporation (Nasdaq: CMDX), the leading provider of
 business-to-business e-commerce solutions for the life sciences industry, today announced the widespread acceptance of its
 procurement solutions for the life sciences market, with a total of 49 companies that have selected Chemdex systems. Chemdex
 is the only company that provides a vertical marketplace, hosted procurement and comprehensive services and support to the
 life sciences industry.
 
 Companies such as SmithKline Beecham, Rhone-Poulenc Rorer, Genome Therapeutics and many biotechnology companies
 and academic institutions have recently chosen Chemdex as their provider of e-commerce solutions for laboratory supplies.
 
 Chemdex procurement solutions address the entire procurement cycle for life science companies across all market segments.
 The solutions are designed to streamline the existing business practices of research laboratories, regardless of their size -- from
 small biotechnology companies to large pharmaceutical corporations.
 
 Only Chemdex offers life science companies a flexible, end-to-end procurement solution for purchasing laboratory supplies.
 Key components include:
 
 -- Robust online marketplace:  the most comprehensive one-stop shop for
 laboratory supplies, helping researchers and purchasing professionals
 make fast, informed buying decisions.
 -- Hosted procurement:  a Web-based procurement application tailored to
 each customer's purchasing business rules, reducing the total cost of
 ownership.
 -- Comprehensive services and support:  customer service ensures timely
 order fulfillment, professional services guarantee rapid implementation
 and long-term account care facilitates adoption, maximizing
 productivity gains.
 
 "Business-to-business e-commerce requires a lot more than a Web site. Chemdex delivers a complete solution, demonstrating
 our long-term commitment to life sciences," said David Perry, president, CEO and co-founder of Chemdex. "We are thrilled
 with the level of customer commitment we are seeing in return."
 
 About Chemdex
 
 Chemdex Corporation is the leading provider of business-to-business electronic commerce solutions for the life sciences
 industry. Chemdex provides the only complete e-commerce solution consisting of an extensive online marketplace with
 biological and chemical reagents, lab supplies, instruments and equipment; hosted procurement, tailored to the unique business
 requirements of each customer; and comprehensive services and support. Uniting enterprises, buyers and suppliers, Chemdex
 solutions streamline business processes, enhance productivity and reduce costs. Chemdex customers include pharmaceutical
 and biotechnology companies, as well as academic institutions. For more information, visit Chemdex at www.chemdex.com.
 
 "Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding
 Chemdex's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. Risk
 factors and other details are described in the company's Registration Statement on Form S-1 and in the company's other filings
 with the Securities and Exchange Commission.
 
 SOURCE:  Chemdex Corporation
 CONTACT:  Amy McKnight, 415-512-0770, or mcknight@schwartz-pr.com, or Brett Weiner 415-512-0770, or brettw@schwartz-pr.com,
 both of Schwartz Communications, Inc., for Chemdex Corporation; or Marsha Dillon of Chemdex Corporation, 650-813-0300, ext. 261, or
 mdillon@chemdex.com
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