United States securities and exchange commission logo August 31, 2020 Steven Engle Chief Executive Officer CohBar, Inc. 1455 Adams Drive, Suite 2050 Menlo Park, CA 94025 Re: CohBar, Inc. Registration Statement on Form S-3 Filed August 24, 2020 File No. 333-248279 Dear Mr. Engle: 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 Deanna Virginio at 202-551-4530 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Chelsea Anderson, Esq.