Sulfonamides:
Part of: 29 — Organic chemicals
N333617 · 2023-06-29 — The tariff classification of Pergafast 201 from China
Pergafast 201 is an organic chemical compound, said to be used as a color developer for thermal papers. Its chemical name is identified as 3-{[(4-methylbenzenesulfonyl) carbamoyl] amino} phenyl 4-methylbenzene-1-sulfonate (CAS # 232938-43-1). It is a key component of a thermally reactive layer on top of a base paper. The other components (not subject to this ruling) include color formers (which are leuco dyes), sensitizers, and binders. During printing, the thermal head of the printing unit pulses heat to the paper, which causes the components to melt, triggering the transfer of a proton from…
H231485 · 2013-04-08 — Application for Further Review of Protest No. 4909-12-100456; Classification of Darunavir Ethanolate (CAS Registry # 635728-49-3)
The following is our decision on the Application for Further Review of Protest No. 4909-12-100456, dated June 6, 2012, filed on behalf of Janssen Ortho, LLC (“Janssen Ortho” or “Protestant”), regarding the classification of Darunavir Ethanolate (CAS Registry # 635728-49-3) under the Harmonized Tariff Schedule of the United States (HTSUS). In coming to our decision, we have taken into account arguments presented to members of my staff in a meeting at our offices on December 13, 2012, as well as a supplemental submission made on December 21, 2012. FACTS: The subject merchandise consists of…
R01874 · 2005-05-05 — The tariff classification of Propoxycarbazone-sodium (CAS-181274-15-7) and OLYMPUS™ 70% Water Dispersible Granular Herbicide; and the applicability of subheading 9802.00.50, HTS, to U.S.-origin Propoxycarbazone-sodium returned to the U.S. after exportation to Germany for formulation and granulation
No. 264-809), a formulated herbicide containing (by weight) 70% Propoxycarbazone-sodium as the active ingredient. In addition, you requested a ruling on the applicability of subheading 9802.00.50, HTS (partial duty exemption) to U.S.-origin Propoxycarbazone-sodium exported to Germany for formulation and granulation (to make it more marketable and user-friendly), and then returned to the U.S. BCS produces Propoxycarbazone-sodium at its Kansas City plant. You indicate that, once produced, it is complete for its intended use as an herbicide. However, due to its dry, powdery consistency, it will…
963686 · 2001-01-23 — Protest 0401-99-100328; amino acid derivatives
This is our decision on protest 0401-99-100328 timely filed on October 25, 1999, by counsel on behalf of the Genzyme Corp., against your decision on the classification of thirteen amino acid derivatives under the Harmonized Tariff Schedule of the United States (HTSUS). The entries dated November 5, 1998, and February 2, 1999, were liquidated on July 30, 1999. FACTS: The merchandise included in the protest consists of thirteen amino acid derivatives. Each product is an amino acid with more than one additional functional group. It is not disputed that these products are amino acid derivatives.…
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