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N300798 · 2018-10-17 — The tariff classification of Various Chemical Compounds from China and/or Canada
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 DAB Tetrahydrochloride, Hydrate (CAS #868272-85-9) is a water soluble form of 3-3'-diaminobenzidine and is used to stain for peroxidase activity. The intensity of DAB staining can be increased with the addition of cobalt, nickel or silver ions. The product is imported as a light pink to light lavender powder. The product's country of origin is China. Item 2 Paromomycin Sulfate, (CAS #1263-89-4) is an aminoglycoside antibiotic. It targets a…
N297147 · 2018-05-29 — The tariff classification of Various Chemical Compounds from China and Switzerland
You requested a binding Tariff classification ruling on the following five products. 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 Spectinomycin Dihydrochloride Pentahydrate (also known as Spectinomycin, CAS # 22189-32-8) is an aminocyclitol antibiotic isolated from Streptomyces spectabilis. It is effective against gram-positive and gram-negative bacteria, but most commonly used against Gonococcus species. It has also been used to monitor cell fate during leaf development and as a…
N197176 · 2012-01-12 — The tariff classification of Isophorone Diamine (CAS-2855-13-2) from Taiwan
You provided a Material Safety Data Sheet for our review. You did not provide any samples. The subject product, Isophorone Diamine consists of 100% 3-Aminomethyl-3,5,5-trimethylcyclohexylamine. You stated in your letter that this product is intended for use as a curing agent in epoxy resin systems to provide low color coatings with chemical resistance. The applicable subheading for the Isophorone Diamine (3-Aminomethyl-3,5,5-trimethylcyclohexylamine), if imported into the United States will be 2921.30.5000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for "Cyclanic,…
N116248 · 2010-08-11 — The tariff classification of TC5214 (CAS-107596-30-5) in bulk form, from Italy
You state that the subject product, TC5214, is a nicotine channel blocker believed to help normalize cholinergic tone, resulting in antidepressant effects. Currently it is undergoing Phase III clinical studies for the adjunct treatment of major depressive disorder (MDD). The Investigational New Drug (IND) number is 101,333. We note that the CAS chemical name for this product is Bicyclo[2.2.1]heptan-2-amine, N,2,3,3-tetramethyl. It also has the International Nonproprietary Name (INN) Mecamylamine and the alternative CAS Number 60-40-2. The United States Patent for the manufacturing process of…
N027767 · 2008-05-18 — The tariff classification of 2-Cyclopropyl ethylamine (free base) from France
The subject product, 2-Cyclopropyl ethylamine (free base), (CAS # 62893-54-3) is to be used as a chemical intermediate. You state that you originally purchased the product from France, and now will sell it worldwide as an export. The applicable subheading for the 2-Cyclopropyl ethylamine (free base) if imported into the United States will be 2921.30.5000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for “Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof: Other”. The rate of duty will be 3.7 percent ad valorem, if imported…
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