Attached files

file filename
EX-21 - EXHIBIT 21 - SYMYX TECHNOLOGIES INCex21.htm
EX-2.3 - EXHIBIT 2.3 - SYMYX TECHNOLOGIES INCex2_3.htm
EX-32.1 - EXHIBIT 32.1 - SYMYX TECHNOLOGIES INCex32_1.htm
EX-31.1 - EXHIBIT 31.1 - SYMYX TECHNOLOGIES INCex31_1.htm
EX-31.2 - EXHIBIT 31.2 - SYMYX TECHNOLOGIES INCex31_2.htm
EX-10.12 - EXHIBIT 10.12 - SYMYX TECHNOLOGIES INCex10_12.htm
EX-10.41 - EXHIBIT 10.41 - SYMYX TECHNOLOGIES INCex10_41.htm
10-K - SYMYX TECHNOLOGIES INC 10-K 12-31-2009 - SYMYX TECHNOLOGIES INCform10k.htm

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Forms S-8 Nos. 333-32574, 333-55450, 333-82168, 333-103493, 333-113275, 333-123211, 333-82166, 333-132256, 333-145196, 333-120888 333-123782, 333-152893 and 333-159019) pertaining to the 1997 Stock Plan, the 1999 Employee Stock Purchase Plan, the 2001 Nonstatutory Stock Option Plan and the 2007 Stock Incentive Plan of Symyx Technologies, Inc., the IntelliChem, Inc. 2003 Stock Option Plan and the Synthematix, Inc. 2000 Equity Compensation Plan, as amended, of our reports dated February 26, 2010, with respect to the consolidated financial statements of Symyx Technologies, Inc., and the effectiveness of internal control over financial reporting of Symyx Technologies, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2009.


/s/ ERNST & YOUNG LLP

San Jose, California
February 26, 2010