This is a combined synopsis/solicitation for commercial items prepared in accordance with FAR Subpart 12.6, as supplemented with additional information included in this notice. This announcement constitutes the only solicitation; proposals are being requested, and a separate written solicitation will not be issued. (ii) The solicitation number is 75N98026Q00644/PCA-NIA-01594. This solicitation is issued as a competitive combined synopsis/solicitation for commercial products or commercial services. The Government intends to award a contract or purchase order resulting from this solicitation using full and open competition. This acquisition is conducted under the authority of FAR 12.603, Streamlined Solicitation for Commercial Products or Commercial Services, and is not expected to exceed the simplified acquisition threshold (if applicable). The National Institutes of Health (NIH), Office of the Director, Office of Acquisitions, seeks to award a firm fix-price contract to the responsible offeror whose proposal represents the best value to the Government.