Mr. Joseph J. Chivini
Austin Chemical Company, Inc.
1565 Barclay Boulevard
Buffalo Grove, Illinois 60089

RE: The tariff classification of 1-Adamantane carboxylic acid, CAS 828-51-3 from China

Dear Mr. Chivini:

In your letter dated March 14, 2007, you requested a tariff classification ruling.

1-Adamantane carboxylic acid, CAS 828-51-3, also known as Tricyclo [,7)] decane-1-carboxylic acid, is a bulk non aromatic tricycloalkane compound used as a pharmaceutical intermediate.

The applicable subheading for 1-Adamantane carboxylic acid will be 2916.20.5000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Other. The rate of duty will be 3.7 percent ad valorem.

Duty rates are provided for your convenience and are subject to change. The text of the most recent HTSUS and the accompanying duty rates are provided on World Wide Web at 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 Stephanie Joseph at 646-733-3268.


Robert B. Swierupski
National Commodity
Specialist Division