U.S. Customs and Border Protection · CROSS Database · 3 HTS codes referenced
Primary HTS Code
2918.19.9000
$7.5M monthly imports
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Ruling Age
32 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-29 · Updates monthly
The tariff classification of 2-acetyl thiophene (CAS# 88-15-3)from France, ursodeoxycholic acid (CAS# 128-13-2) from Italy andtropicamide (CAS# 1508-75-4) from Finland.
NY 890835 October 18, 1993 CLA-2-29:S:N:N1:239 890835 CATEGORY: Classification TARIFF NO.: 2918.19.9000; 2933.39.3700; 2934.90.5000 Ms. Joan von Doehren Interchem Corporation 120 Rt. 17 North, Suite 115 Paramus, NJ 07652 RE: The tariff classification of 2-acetyl thiophene (CAS# 88-15-3) from France, ursodeoxycholic acid (CAS# 128-13-2) from Italy and tropicamide (CAS# 1508-75-4) from Finland. Dear Mr. von Doehren: In your letter dated September 23, 1993, you requested a tariff classification ruling. The applicable Harmonized Tariff Schedule (HTS) subheadings and rates of duty for these products will be as follows: CHEMICAL PRODUCT HTS DUTY 2-acetyl thiophene 2934.90.5000 7.9% ad valorem ursodeoxycholic acid 2918.19.9000 4% ad valorem tropicamide 2933.39.3700 8% ad valorem These products may be subject to the regulations of the Food and Drug Administration. You may contact them at 5600 Fishers Lane, Rockville, Maryland 20857, telephone number (202) 443-3380 This ruling is being issued under the provisions of Section 177 of the Customs Regulations (19 C.F.R. 177). A copy of this ruling letter should be attached to the entry documents filed at the time this merchandise is imported. If the documents have been filed without a copy, this ruling should be brought to the attention of the Customs officer handling the transaction. Sincerely, Jean F. Maguire Area Director New York Seaport