CBP Ruling Database

The tariff classification of N-Benzyl Maleimide (CAS # 1631-26-1) from Denmark

The tariff classification of N-(benzyloxycarbonyloxy)succinimide (CAS # 13139-17-8) from Japan

Application for Further Review of Protest No. 91-2904- 000189, dated November 23, 1991, concerning N-benzyloxy carbonyloxy succinimide; CAS 13139-17-8; imides; polybasic acids; NYRL 836305

The tariff classification of Bis-2,6-Diisopropylphenyl)-Carbodiimide CAS # 2162-74-5 (Stabilizer 7000) from Germany

The tariff classification of 6,7-dimethoxy-1,2,3,4-tetrahydro- isoquinoline HCL (CAS# 2328-12-3), 1-bromonaphthalene (CAS# 90-11-9) and 2-bromo phthalimide (CAS# 574-98-1) from Germany andFrance.

The tariff classification of 1-(3-Dimethylaminopropil)-3-ethylcarbodiimide Hcl (CAS # 25952-53-8) from Japan

The tariff classification of Ethyl phenylacetate (101-97-3) and 2-Phenylethylamine (CAS # 64-04-0) from France and Phthalimidoacetaldehyde diethyl acetal (CAS # 78902-09-7) from Germany

The tariff classification of N-Benzylmaleimide, CAS 1631-26-1 from Italy

The tariff classification of 1-(3-dimethylaminopropyl)-3- ethylcarbodiimide HCL (CAS # 25952-53-8) from Japan

The tariff classification of Para-Fluorophenol and Phenylacetone from France, and Phthalimidoacetaldehyde Diethyl Acetal from Germany.

The tariff classification of N-Benzylmaleimide (CAS # 1631- 26-1) from Italy

The tariff classification of Z-L-Leucine hydroxysuccinimide ester (CAS # 3397-35-1) from Japan

The tariff classification of Z-L-Isoleucine hydroxysuccinimide ester from Japan

The tariff classification of N-Iodo succinimide (CAS # 516-12-1) from France

The tariff classification of 1,1-Cyclopentanediacetamide (CAS # 1075-89-4) from France

The tariff classification of Z-Boc-Lysine Succinimide (CAS # 3338-34-9) from Japan and Italy

The tariff classification of N-CBZ-L-Alanine-N-hydroxysuccinimide ester (CAS # 3401-36-3) from Italy

The tariff classification of N-Benzylmaleimide (CAS # 1631-26-1) from Canada

The tariff classification of Potassium Phthalimide (CAS # 1074-82-4) from Germany

The tariff classification of Bis(3-ethyl-5-methyl-4-maleimide-phenyl)methane (CAS # 105391-33-1) from Japan

The tariff classification of Sodium Carbonate (CAS#497-19-8) from China, 4-Aminoacetophenone (CAS #99-92-3) from India, 0Malemide (CAS# 541-59-3) from Czech Republic, Quinaldine (CAS# 91-63-4)from Germany and Acesulfame Potassium (CAS# 55589-62-3) from China,

The tariff classification of Phthalimide (CAS # 85-41-6) from JapanDear Mr. Chivini:In your letter dated April 30, 1999, you requested a tariff classification ruling.Phthalimide, also known as 1H-Isoindole-1,3(2H)-dione, is an aromatic imide used as a chemical intermediate.The applicable subheading for Phthalimide will be 2925.19.4000, Harmonized Tariff Schedule of the United States (HTS), which provides for Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Imides and their derivatives; salts thereof: Other: Aromatic: Other....... The rate of duty will be 10.8 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

The tariff classification of Maleimide (CAS # 541-59-3) from Germany

The tariff classification of N-Methylmaleimide (CAS # 930-88-1) from Japan

The tariff classification of Bis-(N-succinimidyl) carbonate (CAS # 74124-79-1) from Japan