Base
D855521999-01-29New YorkClassification

The tariff classification of L-Homocystine (CAS 626-72-2) from India.

U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced

Cross-Source Intelligence

Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-03 · Updates monthly

Summary

The tariff classification of L-Homocystine (CAS 626-72-2) from India.

Ruling Text

NY D85552 January 29, 1999 CLA-2-29:RR:NC:2:239 D85552 CATEGORY: Classification TARIFF NO.: 2930.90.9050 Mr. Joseph J. Chivini Austin Chemical Company, Inc. 1565 Barclay Boulevard Buffalo Grove, Illinois 60089 RE: The tariff classification of L-Homocystine (CAS 626-72-2) from India. Dear Mr. Chivini: In your letter dated November 25, 1998, you requested a tariff classification ruling for L-Homocystine (Chemical Name - [S-(R*,R*)]-4,4'-dithiobis[2-aminobutyric] acid) which you have stated is used as a pharmaceutical intermediate and will be packaged in bulk form. The applicable subheading will be 2930.90.9050, Harmonized Tariff Schedule of the United States (HTS), which provides for organo-sulfur compounds: other. The rate of duty will be 3.7 percent ad valorem. 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 Thomas Brady at 212-466-5747. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division