💾 Data Updated: Latest version • Last updated: December 09, 2025

9902.07.24 - 1-Phenyl-3-(1,2,3-thiadiazol-5-yl)urea (Thidiazuron) (CAS No. 51707-55-2) (provided for in subheading 2934.99.15)

Details

FieldValue
Unit of QuantityN/A
General Rate of Duty (Column 1 - General)Free
Special Rate of Duty (Column 1 - Special)No change
Column 2 Rate of DutyNo change
Quota QuantityN/A
Additional DutiesN/A
About Duty Rates: Rates are divided into Column 1 and Column 2. Column 1 is subdivided into General (normal trade relations rates for all countries not eligible for special programs) and Special (preferential rates for countries with free trade agreements or preference programs). Column 2 rates apply to products from Cuba, North Korea, Belarus, and Russia. When no special rate exists for a classification, General rates apply.

Overview

This HTS category, 9902.07.24, covers the specific chemical compound 1-Phenyl-3-(1,2,3-thiadiazol-5-yl)urea, more commonly known as Thidiazuron. Its inclusion under Chapter 99 signifies that it falls under temporary legislation or special classification provisions, often related to trade agreements or agricultural adjustment measures. The presence of the CAS number (51707-55-2) further solidifies its identity as a distinct chemical substance.

Unlike the broader categories in Chapter 01, which deal with live animals, this classification is focused on a single, synthesized organic chemical. Its relationship to other potential classifications is indicated by its provision for in subheading 2934.99.15, which suggests that in the absence of this specific temporary provision, Thidiazuron would likely be classified under a more general heading for heterocyclic compounds containing nitrogen, oxygen, or sulfur.

As a leaf node in this HTS database, 9902.07.24 does not have further subcategories. Therefore, the classification is precise and applies directly to Thidiazuron when imported under the conditions stipulated by the temporary legislation or special provision indicated by its Chapter 99 placement. Importers should carefully consult the specific trade agreements or legislation referenced by this temporary subheading to ensure compliance.

Frequently Asked Questions

›What is HTS code 9902.07.24?
HTS code 9902.07.24 covers 1-Phenyl-3-(1,2,3-thiadiazol-5-yl)urea (Thidiazuron) (CAS No. 51707-55-2) (provided for in subheading 2934.99.15) under the US Harmonized Tariff Schedule. It falls under Chapter 99: Temporary legislation; temporary modifications proclaimed pursuant to trade agreements legislation; additional import restrictions proclaimed pursuant to section 22 of the Agricultural Adjustment Act, as amended.
›What products are classified under 9902.07.24?
This classification covers 1-Phenyl-3-(1,2,3-thiadiazol-5-yl)urea (Thidiazuron) (CAS No. 51707-55-2) (provided for in subheading 2934.99.15). It falls under Chapter 99: Temporary legislation; temporary modifications proclaimed pursuant to trade agreements legislation; additional import restrictions proclaimed pursuant to section 22 of the Agricultural Adjustment Act, as amended.
›What is the import duty rate for 9902.07.24?
The general rate of duty for HTS 9902.07.24 is Free. Special preferential rates may apply: No change. The Column 2 rate is No change.

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