Carbazole (Pharmaceutical Grade) from Canada

Carbazole serves as intermediate drug substance, an amino-phenol fused ring compound used in pharmaceutical synthesis. Imported as chemically defined compound under drugs subheading when pharma-specified.

Duty Rate — Canada → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Specify pharma end-use in entry summary; purity >99% required

Pitfall: industrial grade shifts classification