Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form F-3 of our report dated April 4, 2018, relating to the financial statements of Check-Cap Ltd (the “Company”) (which report expresses an unqualified opinion and includes an emphasis-of-matter paragraph regarding substantial doubts about the ability of the Company to continue as a going concern), included in the Annual Report on Form 20-F of the Company for the year ended December 31, 2017, and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement.

/s/ Brightman Almagor Zohar & Co.

Certified Public Accountants

A Member Firm of Deloitte Touche Tohmatsu

Tel Aviv, Israel

June 21, 2018