Potassium 1,3-dioxo-1H,3H-benzo[de]isochromene-6-sulfonate (CAS No. 71501-16-1) (provided in subheading 2917.39.04)

Duty under this headingFree

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗

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