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 4-Hydroxy-4'-Isopropoxydiphenylsulfone (CAS 95235-30-6) from Japan.

F87138 2930902900

The tariff classification of 4-Hydroxy-4'-Isopropoxydiphenylsulfone (CAS 95235-30-6) from Japan.

The tariff classification of Mikrofine TSSC (CAS 10396-10-8), Mikrofine ADC (CAS 123-77-3), Mikrofine TSH (CAS 1576-35-8), Mikrofine OBSH (CAS 80-51-3) , and Mikrofine ZBS (CAS 24308-84-7), from India.

F87756 2930902900

The tariff classification of Mikrofine TSSC (CAS 10396-10-8), Mikrofine ADC (CAS 123-77-3), Mikrofine TSH (CAS 1576-35-8), Mikrofine OBSH (CAS 80-51-3) , and Mikrofine ZBS (CAS 24308-84-7), from India.

The tariff classification of 4-Chlorothiophenol (CAS 106-54-7) from Japan.

G80474 2930902900

The tariff classification of 4-Chlorothiophenol (CAS 106-54-7) from Japan.

The tariff classification of Thiophanate-methyl (CAS-23564-05-8), imported in bulk form, from Brazil

G81917 2930901000

The tariff classification of Thiophanate-methyl (CAS-23564-05-8), imported in bulk form, from Brazil

The tariff classification of Sodium Thioglycollate (CAS 367-51-1) from China.

G83419 2930909050

The tariff classification of Sodium Thioglycollate (CAS 367-51-1) from China.

The tariff classification of N, N-Diacetyl-L-Cystine (CAS 5545-17-5) from Japan.

G85132 2930904950

The tariff classification of N, N-Diacetyl-L-Cystine (CAS 5545-17-5) from Japan.

Protest 0401-99-100328; amino acid derivatives

963686 29309029

Protest 0401-99-100328; amino acid derivatives

The tariff classification of N-Acetyl-L-Cysteine (CAS 616-91-1) from Spain.

G86727 2930904920

The tariff classification of N-Acetyl-L-Cysteine (CAS 616-91-1) from Spain.

The tariff classification of 4-Bromophenyl Methyl Sulfon (CAS 3466-32-8) from France.

G86098 2930902900

The tariff classification of 4-Bromophenyl Methyl Sulfon (CAS 3466-32-8) from France.

The tariff classification from China of: Activated Carbon Powder, CAS 7440-44-0; Ascorbic Acid, CAS 50-81-7; Aspartame, CAS 22839-47-0; Calcium Lactate Pentahydrate, CAS 5743-47-5; L-Cysteine, CAS 52-90-4

G88539 2930904950

The tariff classification from China of: Activated Carbon Powder, CAS 7440-44-0; Ascorbic Acid, CAS 50-81-7; Aspartame, CAS 22839-47-0; Calcium Lactate Pentahydrate, CAS 5743-47-5; L-Cysteine, CAS 52-90-4

The tariff classification of S-Phenyl-L-Cysteine (CAS 34317-61-8) from China.

G88172 2930902900

The tariff classification of S-Phenyl-L-Cysteine (CAS 34317-61-8) from China.

The tariff classification of Bis(Cyclohexanesulfonyl) Diazomethane (CAS 138529-81-4) from Japan.

H80362 2930909050

The tariff classification of Bis(Cyclohexanesulfonyl) Diazomethane (CAS 138529-81-4) from Japan.

The tariff classification of Guanosine-5’-Monophosphate Disodium Salt (CAS 5550-12-9) from Italy, and Disodium-2,2’-Dithio-Bis Ethane Sulfonate (CAS 16208-51-8) from France.

H80291 2930909050

The tariff classification of Guanosine-5’-Monophosphate Disodium Salt (CAS 5550-12-9) from Italy, and Disodium-2,2’-Dithio-Bis Ethane Sulfonate (CAS 16208-51-8) from France.

The tariff classification of Thiourea (Thiocarbamide) (CAS 62-56-6) from the United Kingdom.

H84306 2930909050

The tariff classification of Thiourea (Thiocarbamide) (CAS 62-56-6) from the United Kingdom.

The tariff classification of S-Trityl-3-Mercaptopropionic Acid (CAS 27144-18-9) from the United Kingdom.

H81814 2930902900

The tariff classification of S-Trityl-3-Mercaptopropionic Acid (CAS 27144-18-9) from the United Kingdom.

The tariff classification of 4-(Methio)-Benzoic Acid (CAS 132305-48-6) from Japan.

H85807 2930902900

The tariff classification of 4-(Methio)-Benzoic Acid (CAS 132305-48-6) from Japan.

The tariff classification of D-Penicillamine (CAS 52-67-5) from Germany.

H85767 2930904920

The tariff classification of D-Penicillamine (CAS 52-67-5) from Germany.

The tariff classification of Amikacin Sulfate (CAS-39831-55-5), Butorphanol Tartrate (CAS-58786-99-5), and Modafinil (CAS-68693-11-8), all imported in bulk form, from Italy, the Czech Republic, and Italy, respectively

H86776 2930902900

The tariff classification of Amikacin Sulfate (CAS-39831-55-5), Butorphanol Tartrate (CAS-58786-99-5), and Modafinil (CAS-68693-11-8), all imported in bulk form, from Italy, the Czech Republic, and Italy, respectively

The tariff classification of Mercaptosuccinic Acid (CAS 70-49-5) from China.

H89087 2930904920

The tariff classification of Mercaptosuccinic Acid (CAS 70-49-5) from China.

Protest 1001-00-103455; Pantethine, CAS #16816-67-4

964807 29309090

Protest 1001-00-103455; Pantethine, CAS #16816-67-4

The tariff classification of 4-Aminothiophenol (CAS 1193-02-8) from China.

I80510 2930902900

The tariff classification of 4-Aminothiophenol (CAS 1193-02-8) from China.

The tariff classification of Thiourea (Thiocarbamide) (CAS 62-56-6) from China.

I80394 2930909050

The tariff classification of Thiourea (Thiocarbamide) (CAS 62-56-6) from China.

The tariff classification of 3-Methoxybenzenithiol (CAS 15570-12-4) from Japan.

I83296 2930902900

The tariff classification of 3-Methoxybenzenithiol (CAS 15570-12-4) from Japan.

The tariff classification of Boc-L-Methionene (CAS 2488-15-5) from Italy.

I83588 2930909050

The tariff classification of Boc-L-Methionene (CAS 2488-15-5) from Italy.

The tariff classification of DL-Dithiothreitol (CAS 3483-12-3) and 3-Morpholinopropanesulfonic Acid (CAS 1132-61-2) from Brazil.

I87039 2930909050

The tariff classification of DL-Dithiothreitol (CAS 3483-12-3) and 3-Morpholinopropanesulfonic Acid (CAS 1132-61-2) from Brazil.