CBP Ruling Database

Search past U.S. Customs and Border Protection classification rulings. Find precedent for your product and cite it in your own classification.

328 rulings found

The tariff classification of Thioacetamide (CAS 62-55-5) from Japan.

B86934 2930909050

The tariff classification of Thioacetamide (CAS 62-55-5) from Japan.

The tariff classification of 1,3-Diethylthiourea (CAS 105-55-5) from England.

B87527 2930909050

The tariff classification of 1,3-Diethylthiourea (CAS 105-55-5) from England.

The tariff classification of 1,3-Dibutylthiourea (CAS 109-46-6) from England.

B87528 2930907000

The tariff classification of 1,3-Dibutylthiourea (CAS 109-46-6) from England.

The tariff classification of N-Boc-S-Ethyl-L-Cysteine (CAS 16947-82-3) from Japan.

B87477 2930904550

The tariff classification of N-Boc-S-Ethyl-L-Cysteine (CAS 16947-82-3) from Japan.

The tariff classification of 1,3-Propanedione,1-Cyclopropyl-3-2-(Methylthio)-4-(Trifluoromethyl) Phenyl (CAS 161462-35-7) from France.

B86330 2930902900

The tariff classification of 1,3-Propanedione,1-Cyclopropyl-3-2-(Methylthio)-4-(Trifluoromethyl) Phenyl (CAS 161462-35-7) from France.

The tariff classification of AS-273 (CAS 85238-64-8), T-171 (CAS 125304-04-3), T-320 (CAS 3846-71-7), TKB-20 (CAS 577-11-7), and TR-6 from Japan.

B83900 2930909050

The tariff classification of AS-273 (CAS 85238-64-8), T-171 (CAS 125304-04-3), T-320 (CAS 3846-71-7), TKB-20 (CAS 577-11-7), and TR-6 from Japan.

The tariff classification of 4-Hydroxythiophenol (CAS 637-89-8) from Japan.

B89411 2930902900

The tariff classification of 4-Hydroxythiophenol (CAS 637-89-8) from Japan.

The tariff classification of (S)-N-[[5-[2-(2-Amino-4,6,7,8-Tetrahydro-4-Oxo-1H-Pyrimido[5,4-B][1,4]Thiazin-6-YL)Ethyl]-2-Thienyl]Carbonyl]-L-Glutamic Acid Diethyl Ester (CAS 177575-19-8), 4-Chloropyridine Hydrochloride (CAS 7379-35-3), 3-Mercapto-D-Valine (CAS 52-67-5), (3S)-2,2-Dimethyl-3-Thiomorpholine Carboxylic Acid (CAS 84915-43-5), and 2-Amino-6-Methyl-5-(4-Pyridinylthio)4(1H)-Quinazolinone (CAS 147149-76-6) from Japan.

B89017 2930909035

The tariff classification of (S)-N-[[5-[2-(2-Amino-4,6,7,8-Tetrahydro-4-Oxo-1H-Pyrimido[5,4-B][1,4]Thiazin-6-YL)Ethyl]-2-Thienyl]Carbonyl]-L-Glutamic Acid Diethyl Ester (CAS 177575-19-8), 4-Chloropyridine Hydrochloride (CAS 7379-35-3), 3-Mercapto-D-Valine (CAS 52-67-5), (3S)-2,2-Dimethyl-3-Thiomorpholine Carboxylic Acid (CAS 84915-43-5), and 2-Amino-6-Methyl-5-(4-Pyridinylthio)4(1H)-Quinazolinone (CAS 147149-76-6) from Japan.

The tariff classification of Acetylcysteine (CAS 616-91-1), Cysteine (CAS 52-90-4), Cystine (CAS 56-89-3), Cysteine Hydrochloride Anhydrous (CAS 52-89-1), and Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Germany, India, and China.

C80855 2930909010

The tariff classification of Acetylcysteine (CAS 616-91-1), Cysteine (CAS 52-90-4), Cystine (CAS 56-89-3), Cysteine Hydrochloride Anhydrous (CAS 52-89-1), and Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Germany, India, and China.

The tariff classification of Acetylcysteine (CAS 616-91-1), Cysteine (CAS 52-90-4), Cystine (CAS 56-89-3), Cysteine Hydrochloride Anhydrous (CAS 52-89-1), and Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Germany, India, and China.

C80855 2930904550

The tariff classification of Acetylcysteine (CAS 616-91-1), Cysteine (CAS 52-90-4), Cystine (CAS 56-89-3), Cysteine Hydrochloride Anhydrous (CAS 52-89-1), and Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Germany, India, and China.

The tariff classification of Acetylcysteine (CAS 616-91-1), Cysteine (CAS 52-90-4), Cystine (CAS 56-89-3), Cysteine Hydrochloride Anhydrous (CAS 52-89-1), and Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Germany, India, and China.

C80855 2930904520

The tariff classification of Acetylcysteine (CAS 616-91-1), Cysteine (CAS 52-90-4), Cystine (CAS 56-89-3), Cysteine Hydrochloride Anhydrous (CAS 52-89-1), and Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Germany, India, and China.

The tariff classification of 3-Amino-1-Propanethiol HCL (CAS 7211-54-3) from England.

C80331 2930909050

The tariff classification of 3-Amino-1-Propanethiol HCL (CAS 7211-54-3) from England.

The tariff classification of (S)-N-[[5-[2-(2-Amino-4,6,7,8-Tetrahydro-4-Oxo-1H-Pyrimido[5,4-B][1,4]Thiazin-6-YL)Ethyl]-2-Thienyl]Carbonyl]-L-Glutamic Acid (CAS 177575-17-6), [R-(R*,R*)]-1,2,3,4-Butanetetrol-1,4-Dimethanesulfonate (CAS 1947-62-2), and 2-Amino-6-Methyl-5-(4-Pyridinylthio)-4(1H)Quinazolinone, Dihydrochloride (CAS 152946-68-4) from Japan.

B89019 2930909050

The tariff classification of (S)-N-[[5-[2-(2-Amino-4,6,7,8-Tetrahydro-4-Oxo-1H-Pyrimido[5,4-B][1,4]Thiazin-6-YL)Ethyl]-2-Thienyl]Carbonyl]-L-Glutamic Acid (CAS 177575-17-6), [R-(R*,R*)]-1,2,3,4-Butanetetrol-1,4-Dimethanesulfonate (CAS 1947-62-2), and 2-Amino-6-Methyl-5-(4-Pyridinylthio)-4(1H)Quinazolinone, Dihydrochloride (CAS 152946-68-4) from Japan.

The tariff classification of L-Cysteine Hydrochloride Anhydrous (CAS 52-89-1), and L-Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Taiwan.

C81942 2930909010

The tariff classification of L-Cysteine Hydrochloride Anhydrous (CAS 52-89-1), and L-Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Taiwan.

The tariff classification of Cysteine Hydrochloride Anhydrous (CAS 52-89-1) and Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Germany, India, and China.

C83882 2930909010

The tariff classification of Cysteine Hydrochloride Anhydrous (CAS 52-89-1) and Cysteine Hydrochloride Monohydrate (CAS 7048-04-6) from Germany, India, and China.

The tariff classification of Pepton 22 (CAS 135-57-9) from Japan.

C84563 2930902900

The tariff classification of Pepton 22 (CAS 135-57-9) from Japan.

The tariff classification of 3-Methoxythiophenol (CAS 15570-12-4) from England.

C84943 2930902900

The tariff classification of 3-Methoxythiophenol (CAS 15570-12-4) from England.

The tariff classification of L-Cysteine Base (CAS 52-90-4) from Japan.

C86000 2930904550

The tariff classification of L-Cysteine Base (CAS 52-90-4) from Japan.

The tariff classification of Captan (CAS# 133-06-2), imported in bulkform, from India and Israel

C89900 2930904400

The tariff classification of Captan (CAS# 133-06-2), imported in bulkform, from India and Israel

The tariff classification of MPSMA (CAS 129283-82-5) from Japan.

C89052 2930902900

The tariff classification of MPSMA (CAS 129283-82-5) from Japan.

The tariff classification of Probucol USP (CAS 23288-

D80871 2930902900

The tariff classification of Probucol USP (CAS 23288-

The tariff classification of 3-Nitrobenzaldehyde (CAS # 99-61-6) and 2-Bromothioanisole (CAS # 19614-16-5) from China, 4,6-Dichloro-2-methylbenzylamine (CAS # 150517-76-3) from Czech Republic

D81515 2930902900

The tariff classification of 3-Nitrobenzaldehyde (CAS # 99-61-6) and 2-Bromothioanisole (CAS # 19614-16-5) from China, 4,6-Dichloro-2-methylbenzylamine (CAS # 150517-76-3) from Czech Republic

The tariff classification of Bucchu Ketone Natural (CAS 38462-22-5) from Japan.

D83997 2930909050

The tariff classification of Bucchu Ketone Natural (CAS 38462-22-5) from Japan.

The tariff classification of Thioanisole (CAS 100-68-5) from Japan.

D84748 2930902900

The tariff classification of Thioanisole (CAS 100-68-5) from Japan.

The tariff classification of 3,5-Bis(Trifluoromethyl) Phenyisocyanate (CAS 16588-74-2) from China.

D83161 2930902900

The tariff classification of 3,5-Bis(Trifluoromethyl) Phenyisocyanate (CAS 16588-74-2) from China.