Other: — Other
Part of: 292529 — Imines and their derivatives; salts thereof: — Other:
N315425 · 2020-11-02 — The tariff classification of Guanidine Thiocyanate (CAS # 593-84-0) from China
You state that the subject product, Guanidine Thiocyanate (CAS # 593-84-0), which is also called Guanidinium Isothiocyanate is a pure chemical compound. It is used as a general protein denaturant, although it is most commonly used as a nucleic acid protector in the extraction of DNA and RNA from cells. The Guanidine Thiocyanate that you wish to import into the United States is indicated to be “99+% pure”, and is used as a reagent in the preparation of test kits. You state that the “imported volumes are normally relatively small as it is used in laboratories, but due to the current demand for…
N298052 · 2018-06-27 — The tariff classification of Various Chemical Compounds from China
You indicate they are all used for research at laboratories and universities. You provided the following information on the five items under review. Item 1 5-ethynyl-2'deoxyuridine (5-EdU, CAS # 61135-33-9) is incorporated into DNA for the purpose of measuring cell division. The product is imported as a white to pale yellow powder. The product's country of origin is China. Item 2 E-64 (trans-Epoxysuccinyl-L-leucylamido(4-guanidino)butane, CAS # 66701-25-5) irreversibly inhibits cysteine proteases without affecting other enzymes that contain cysteine residues. E-64 is capable of inhibiting…
N297825 · 2018-06-21 — The tariff classification of Various Chemical Compounds from China and Switzerland
You indicate they are all used for research at laboratories and universities. You provided the following information on the five items under review. Item 1 Teicoplanin (CAS #61036-62-2) is a glycopeptide antibiotic isolated from Actinoplanes teichomyceticus. It is a mixture of several teicoplanins. Teicoplanin is effective against gram-positive bacteria resistant to ß-lactam antibiotics. The product is imported as a white to light yellowish powder. The product's country of origin is China. Item 2 Ethyleneglycol bis(2-aminoethyl ether)-N,N,N',N' tetraacetic acid (known as EGTA, CAS # 67-42-5)…
N272125 · 2016-02-09 — The tariff classification L-Arginine (CAS (74-79-3) and L-Arginine Hydrochloride (CAS# 1119-34-2) from China
The subject products are chemical products called L-Arginine (CAS# 74-79-3) and L-Arginine Hydrochloride (CAS# 1119-34-2). You indicate that they will be sold to your customers for use in the manufacturing of dietary supplements. The applicable subheading for L-Arginine will be 2925.29.9000, Harmonized Tariff Schedule of the United States (HTS), which provides for: Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: “Imines and their derivatives; salts thereof: Other:Other:Other”. The applicable subheading for L-Arginine Hydrochloride will be…
N201623 · 2012-02-16 — The tariff classification of L-Arginine monohydrochloride, CAS No. 1119-34-2, from Korea
L-Arginine monohydrochloride, CAS No. 1119-34-2, also known as S-(+)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid monohydrochloride, is a salt of a nonaromatic imine function compound. The applicable subheading for L-Arginine monohydrochloride will be 2925.29.9000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Imines and their derivatives; salts thereof: Other: Other: Other. The rate of duty will be 3.7 percent. Pursuant to General Note 13 to the Harmonized…
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