The tariff classification of five polypeptides from Japan.

NY 872718 April 10, 1992 CLA-2-29:S:N:N1:239 872718 CATEGORY: Classification TARIFF NO.: 2933.90.3700 Ms. Deanne Benovitz, Ph.D. Peptides International, Inc. P.O. Box 24658 Louisville, Kentucky 40224 RE: The tariff classification of five polypeptides from Japan. Dear Dr. Benovitz: In your letter dated March 10, 1992, you requested a tariff classification ruling for five polypeptides identified as follows: PED-4198 Endothelin-1 (Human) CAS# 117399-94-7 PED-4209 Endothelin-2 (Human) CAS# unknown PED-4199 Endothelin-3 (Human) CAS# 117399-93-6 PED-4207 Big Endothelin-1 (Porcine) CAS# unknown PED-4208 Big Endothelin-1 (Human) CAS# 122462-75-3 The applicable subheading for these five polypeptides will be 2933.90.3700, Harmonized Tariff Schedule of the United States (HTS), which provides for other heterocyclic compounds with nitrogen hetero-atom(s) only: products described in additional U.S. note 3 to section VI. The rate of duty will be 13.5 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 been filed without a copy, this ruling should be brought to the attention of the Customs officer handling the transaction. Sincerely, Jean F. Maguire Area Director New York Seaport