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NY F82600

March 14, 2000

CLA-2-29:RR:NC:2:240 F82600


TARIFF NO.: 2922.49.4050

Mr. Masaya Yokota
Tanabe U.S.A., Inc.
7930 Convoy Court
San Diego, CA 92111

RE: The tariff classification of L-(-)-Tert-leucine (CAS # 20859-02-3) from Japan

Dear Mr. Yokota:

In your letter dated January 25, 2000, you requested a tariff classification ruling.

L-(-)-Tert-leucine, also known as 3-Methyl-L-valine, is a nonaromatic, oxygen function, amino acid compound used as a raw material in pharmaceuticals.

The applicable subheading for L-(-)-Tert-leucine will be 2922.49.4050, Harmonized Tariff Schedule of the United States (HTS), which provides for Amino-acids and their esters, other than those containing more than one kind of oxygen function; salts thereof: Other: Other: Amino acids.. Other.. The rate of duty will be 4.2 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 Stephanie Joseph at 212-637-7066.


Robert B. Swierupski

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