Ethers of polyhydric alcohols: — Other
N350399 · 2025-10-15 — The tariff classification of m-PEG7-Br from China
We referred the information provided to our laboratory for review. We regret the delay. The subject product is described as m-PEG7-Br, CAS No. 104518-25-4, also known as 22-Bromo-2,5,8,11,14,17,20-heptaoxadocosane. You indicate that it contains a minimum purity level of 99.9 percent and will be imported in liquid form. It is intended for use in PROTAC molecular synthesis and drug development. You suggest classification in subheading 2909.50.40 Harmonized Tariff Schedule of the United States (HTSUS), which provides for: Ether-phenols, ether-alcohol-phenols and their halogenated, sulfonated,…
N256493 · 2014-10-28 — The tariff classification of Butyl triglycol, CAS No. 143-22-6
Your inquiry was submitted to the Customs laboratory for technical analysis. We apologize for the delay. Butyl triglycol, CAS No. 143-22-6, also known as Ethanol, 2-[2-(2-butoxyethoxy)ethoxy]-, is an acyclic ether of a polyhydric alcohol. It is used as a chemical intermediate. The applicable subheading for Butyl triglycol will be 2909.19.6000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, ketone peroxides (whether or not chemically defined), and their halogenated,…
N188799 · 2011-11-10 — The tariff classification of Diethylene glycol dimethyl ether, CAS No. 111-96-6, from China
The subject product, Diethylene glycol dimethyl ether, also known as Ethane, 1,1'-oxybis[2-methoxy-, is an ether of a polyhydric alcohol. The product is indicated for use in the halogen extraction from transformer oil. The applicable subheading for Diethylene glycol dimethyl ether, in bulk form, will be 2909.19.6000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Acyclic ethers and their halogenated sulfonated, nitrated or nitrosated derivatives: Ethers of polyhydric alcohols: Other. The rate of duty will be 5.5 percent ad valorem. Duty rates are provided for your…
N015910 · 2007-09-30 — The tariff classification of 2-Methoxyethoxymethyl chloride, CAS # 3970-21-6, imported in bulk form, from China
The subject product, 2-Methoxyethoxymethyl chloride, also known as Ethane, 1-(chloromethoxy)-2-methoxy-, is a halogenated derivative of an ether of a polyhydric alcohol indicated for use as a pharmaceutical intermediate. The applicable subheading for 2-Methoxyethoxymethyl chloride will be 2909.19.6000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Acyclic ethers and their halogenated sulfonated, nitrated or nitrosated derivatives: Ethers of polyhydric alcohols: Other. The rate of duty will be 5.5 percent ad valorem. Duty rates are provided for your convenience…
808285 · 1995-05-04 — The tariff classification of Ethylene Glycol Dimethyl Ether (CAS No. 110-71-4) from Japan.
The applicable subheading for Ethylene Glycol Dimethyl Ether (CAS No. 110-71-4), also known as 1,2-Dimethoxyethane will be 2909.19.6000, Harmonized Tariff Schedule of the United States (HTS), which provides for acyclic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives. The rate of duty will be 11.6 percent ad valorem. This ruling is being issued under the provisions of Section 177 of the Customs Regulations (19 C.F.R. 177). A copy of this ruling letter should be attached to the entry documents filed at the time this merchandise is imported. If the documents have…
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