EXHIBIT 23.1

            Consent of BDO Seidman, LLP, Independent Accountants

        We hereby consent to the use in Form 8-K of Catalytica, Inc., of our
report dated July 23, 1999, relating to the consolidated financial statements
of Wyckoff Chemical Company, Inc.

BDO Seidman, LLP

/s/ BDO Seidman, LLP

Kalamazoo, Michigan
September 29, 1999