Mr. Joseph Chivini
Austin Chemical Company
1565 Barclay Blvd.
Buffalo Grove, IL 60089
RE: The tariff classification of N2-Isobutyryl-5’, O-(4,4’-Dimethoxytrityl)-2’-O-(2-Methoxyethyl) Guanosine (CAS 251647-50-4) from India.
Dear Mr. Chivini:
In your letter dated June 11, 2002, you requested a tariff classification ruling for N2-Isobutyryl-5’, O-(4,4’-Dimethoxytrityl)-2’-O-(2-Methoxyethyl) Guanosine which you have stated will be used as a pharmaceutical intermediate and will be packaged in bulk form.
The applicable subheading will be 2933.59.7000, Harmonized Tariff Schedule of the United States (HTS), which provides for heterocyclic compounds with nitrogen hetero-atom(s) only: compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: other: other: aromatic or modified aromatic: products described in additional U.S. note 3 to section VI. The rate of duty will be 7.9 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 Andrew Stone at 646-733-3032.
Robert B. Swierupski, Director
National Commodity Specialist Division