United States securities and exchange commission logo





                         May 15, 2020

       James V. Caruso
       President and Chief Executive Officer
       Cellectar Biosciences, Inc.
       100 Campus Drive
       Florham Park, New Jersey 07932

                                                        Re: Cellectar
Biosciences, Inc.
                                                            Form S-1 filed May
8, 2020
                                                            File No. 333-238132

       Dear Mr. Caruso:

              This is to advise you that we have not reviewed and will not
review your registration
       statement.

               Please refer to Rules 460 and 461 regarding requests for
acceleration. We remind you
       that the company and its management are responsible for the accuracy and
adequacy of their
       disclosures, notwithstanding any review, comments, action or absence of
action by the staff.

                                                        Please contact Abby
Adams at (202) 551-6902 with any questions.




                         Sincerely,


                         Division of Corporation Finance

                         Office of Life Sciences