9902.07.03 - (2-{[(1-{1-[(2R,3R)-3-[4-(4-Cyanophenyl)-1,3-thiazol-2-yl]-2- (2,5-difluorophenyl)-2-hydroxybutyl]-1H-1,2,4- triazol-4-ium-4-yl}ethoxy)carbonyl](methyl)amino}-3- pyridinyl)methyl N-methylglycinate hydrogen sulfate (Isavuconazonium Sulfate) (CAS No. 946075-13-4) (provided for in subnheading 2934.10.10)

This HTS category, 9902.07.03, specifically covers Isavuconazonium Sulfate, identified by CAS No. 946075-13-4. This compound is a pharmaceutical substance, acting as a prodrug that is converted in the body to the antifungal agent isavuconazole. Its classification is provided for under subheading 2934.10.10, indicating its primary chemical nature.

As this is a leaf node within Chapter 99, which deals with temporary legislation and modifications, this specific entry represents a particular temporary provision or restriction related to Isavuconazonium Sulfate. It does not have direct sibling categories in the same way that major product chapters do. Instead, it functions as a distinct item within the broader framework of temporary HTS measures. The purpose of such a classification is to manage the importation of this specific chemical substance, likely due to its pharmaceutical application, temporary trade agreements, or specific import controls under Section 22 of the Agricultural Adjustment Act.