The tariff classification of N-15 labeled amino acids withheavy nitrogen isotope from Russia

NY 871523 March 20, 1992 CLA-2-28:S:N:N1:240 871523 CATEGORY: Classification TARIFF NO.: 871523 Mr. James A. Wechsler Paradigm Technologies, Inc. P.O. Box 58081 Salt Lake City, Ut 84158 RE: The tariff classification of N-15 labeled amino acids with heavy nitrogen isotope from Russia Dear Mr. Wechsler: In your letter dated January 24, 1992, you requested a tariff classification ruling. Product Subheading Rate of Duty L-Isoleucine 15-N 2845.90.0000 25 percent ad valorem L-Lysine-15N2 2845.90.0000 25 percent ad valorem L-Threonine-15N2 2845.90.0000 25 percent ad valorem L-Tryptophan-U-15N 2845.90.0000 25 percent ad valorem 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 already been filed, this ruling should be brought to the attention of the Customs officer handling the transaction. Sincerely, Jean F. Maguire Area Director New York Seaport