💾 Data Updated: 2025 HTS Revision 30 • Last updated: November 24, 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 DutyFree
Special Rate of DutyNo change
Column 2 Rate of DutyNo change
Quota QuantityN/A
Additional DutiesN/A

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.

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