SANTA CLARA, CA--(Marketwire - December 02, 2008) - Symyx Technologies, Inc. (NASDAQ: SMMX) today announced the availability of Symyx Registration 1.5. This major new release offers R&D organizations of all sizes a flexible, fully featured, Isentris-based approach to building and managing consistent, searchable, and shareable corporate compound registries based on Symyx's industry-leading chemical representation technology. Out-of-the-box integration with Symyx Assay Explorer® biology data management software enables researchers to view chemically registered substances alongside biological assay results, facilitating SAR analysis and the prioritization of new compounds for testing.