<ARTICLE>                     5
<LEGEND>
     This schedule  contains summary  financial  information  extracted from the
     Enzon, Inc. and Subsidiaries Consolidated Balance Sheet as of June 30, 1997
     and the  Consolidated  Statement of Operations  for the year ended June 30,
     1997 and is  qualified  in its  entirety  by  reference  to such  financial
     statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                              JUN-30-1997
<PERIOD-END>                                   JUN-30-1997
<CASH>                                          8,315,752
<SECURITIES>                                            0
<RECEIVABLES>                                   2,433,762
<ALLOWANCES>                                            0
<INVENTORY>                                       859,873
<CURRENT-ASSETS>                               11,697,119
<PP&E>                                         15,676,525
<DEPRECIATION>                                 12,923,802
<TOTAL-ASSETS>                                 16,005,278
<CURRENT-LIABILITIES>                           5,415,703
<BONDS>                                                 0
<PREFERRED-MANDATORY>                                   0
<PREFERRED>                                         1,090
<COMMON>                                          307,977
<OTHER-SE>                                      8,232,814
<TOTAL-LIABILITY-AND-EQUITY>                   16,005,278
<SALES>                                        11,595,985
<TOTAL-REVENUES>                               12,727,052
<CGS>                                           3,840,198
<TOTAL-COSTS>                                  17,888,738
<OTHER-EXPENSES>                                        0
<LOSS-PROVISION>                                        0
<INTEREST-EXPENSE>                                 14,891
<INCOME-PRETAX>                                (4,557,025)
<INCOME-TAX>                                            0
<INCOME-CONTINUING>                            (4,557,025)
<DISCONTINUED>                                          0
<EXTRAORDINARY>                                         0
<CHANGES>                                               0
<NET-INCOME>                                   (4,557,025)
<EPS-PRIMARY>                                       (0.16)
<EPS-DILUTED>                                           0