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

9902.07.50 - 4-(4-Methylphenyl)-4-oxobutanoic acid - 4-ethylmorpholine (2:1) (CAS No. 171054-89-0) (provided for in subheading 2934.99.90)

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, 9902.07.50, specifically classifies the compound 4-(4-Methylphenyl)-4-oxobutanoic acid - 4-ethylmorpholine (2:1), identified by CAS No. 171054-89-0. This chemical substance is provided for under subheading 2934.99.90 of the HTSUS, indicating it is a heterocyclic compound not elsewhere specified. The classification within Chapter 99 signifies that it is subject to temporary legislation or special provisions, often related to trade agreements or specific import restrictions.

Unlike the primary HTS categories that classify general merchandise based on material or function (e.g., live animals in Chapter 01), this Chapter 99 entry denotes a specialized classification. Its siblings, such as those for live animals, are entirely unrelated in terms of product type and purpose. This category's existence is driven by specific trade policy or regulatory measures rather than the intrinsic nature of the goods themselves.

As a leaf node, 9902.07.50 does not have further subcategories. Its classification is definitive, and any imported quantities of this specific chemical compound must adhere to the conditions and duties associated with this particular provision. Classification relies on accurate identification of the substance and confirmation of its status under relevant trade legislation.

Frequently Asked Questions

›What is HTS code 9902.07.50?
HTS code 9902.07.50 covers 4-(4-Methylphenyl)-4-oxobutanoic acid - 4-ethylmorpholine (2:1) (CAS No. 171054-89-0) (provided for in subheading 2934.99.90) 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 9902.07.50?
This classification covers 4-(4-Methylphenyl)-4-oxobutanoic acid - 4-ethylmorpholine (2:1) (CAS No. 171054-89-0) (provided for in subheading 2934.99.90). 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 9902.07.50?
The general rate of duty for HTS 9902.07.50 is Free. Special preferential rates may apply: No change. The Column 2 rate is No change.

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