Exhibit 99.2

                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350
                    AS ADOPTED PURSUANT TO SECTION 906 OF THE
                           SARBANES-OXLEY ACT OF 2002

      In connection with the quarterly report on Form 10-Q of Discovery
Laboratories, Inc. (the "Company"), for the period ended June 30, 2002 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, John G. Cooper, Senior Vice President and Chief Financial Officer of the
Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, that:

      1.    the Report fully complies with the requirements of Section 13(a) or
            15(d) of the Securities Exchange Act of 1934, as amended; and

      2.    the information contained in the Report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.


                                         /s/ John G. Cooper
                                         ---------------------------------
                                         John G. Cooper
                                         Senior Vice President,
                                         Chief Financial Officer
                                         Date:  August 13, 2002