United States securities and exchange commission logo January 28, 2021 James Caruso President and Chief Executive Officer Cellectar Biosciences, Inc. 100 Campus Drive Florham Park, NJ 07932 Re: Cellectar Biosciences, Inc. Registration Statement on Form S-3 Filed January 21, 2021 File No. 333-252309 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 Kasey Robinson at 202-551-5880 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Gregory Lynch, Esq.