2933.99.11.00 - Carbazole

This HTS category, specifically HTS Code 2933.99.11.00, covers Carbazole. Carbazole is an aromatic organic compound characterized by a tricyclic structure consisting of two benzene rings fused on either side of a five-membered nitrogen-containing ring. It falls within the broader classification of heterocyclic compounds with nitrogen hetero-atoms only, and more specifically, under "Other" heterocyclic compounds that are aromatic or modified aromatic.

This classification distinguishes Carbazole from its sibling categories by its specific chemical identity. For instance, sibling entries like Butyl (R)-2-[4-(5-trifluoromethyl-2-pyridinyloxy)phenoxy]propanoate or Acridine and indole, while also classified under "Other" aromatic or modified aromatic heterocyclic compounds, are distinct chemical substances with unique structures and properties. The defining characteristic for 2933.99.11.00 is the presence and specific arrangement of atoms that constitute Carbazole.

As a leaf node in the HTS classification structure, 2933.99.11.00 does not have further subdivisions. Therefore, the classification of Carbazole at this level relies on its precise chemical identification. Import and export professionals will use this code to classify pure Carbazole or its immediate derivatives that share its fundamental structural features and are not explicitly listed under other HTS subheadings. The purpose and specific applications of Carbazole are secondary to its chemical identity for classification at this level.