U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2933.39.4100
$116.8M monthly imports
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Ruling Age
24 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-06 · Updates monthly
The tariff classification of Chlorpheniramine (CAS-132-22-9), imported in bulk form, from India
NY H85868 September 6, 2001 CLA-2-29:RR:NC:2:238 H85868 CATEGORY: Classification TARIFF NO.: 2933.39.4100 Mr. Joseph J. Chivini Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, IL 60089 RE: The tariff classification of Chlorpheniramine (CAS-132-22-9), imported in bulk form, from India Dear Mr. Chivini: In your letter dated August 21, 2001, you requested a tariff classification ruling. The subject product, Chlorpheniramine (International Nonproprietary Name: “Chlorphenamine”), is indicated for use as an antihistaminic drug. The applicable subheading for Chlorpheniramine, imported in bulk form, will be 2933.39.4100, Harmonized Tariff Schedule of the United States (HTS), which provides for "[H]eterocyclic compounds with nitrogen hetero-atom(s) only: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other: Other: Drugs: Other.” Pursuant to General Note 13, HTS, the rate of duty will be free. This merchandise may be subject to the requirements of the Federal Food, Drug, and Cosmetic Act, which is administered by the U.S. Food and Drug Administration. You may contact them at 5600 Fishers Lane, Rockville, Maryland 20857, telephone number 301-443-1544. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist Harvey Kuperstein at 212-637-7068. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division