9902.02.47 - Cyclobutanecarboxaldehyde (CAS No. 2987-17-9) (provided for in subheading 2912.29.60)

This HTS category, 9902.02.47, specifically covers Cyclobutanecarboxaldehyde, identified by CAS No. 2987-17-9. This substance is a chemical compound with a cyclobutane ring structure featuring an aldehyde functional group. While it is a chemical intermediate, its classification under Chapter 99 indicates it is subject to temporary legislation, trade agreement modifications, or specific import restrictions proclaimed under Section 22 of the Agricultural Adjustment Act. The "provided for in subheading 2912.29.60" note signifies its underlying classification within the chemical chapters before being subjected to these special provisions.

As a leaf node within Chapter 99, this category does not have further subdivisions. Its significance lies in the distinct regulatory treatment it receives due to its temporary or conditional nature under U.S. import law. Therefore, importers must pay close attention to the specific proclamations, trade agreements, or legislative actions that have led to its placement in this chapter, as these will dictate the precise conditions, duties, or restrictions applicable to its importation.