O-n-Propyl N-Ethyl-N-Methyl Phosphoramidocyanidate from Japan
This mixed dialkyl variant with O-n-propyl (C3 straight chain) and N-ethyl-N-methyl groups precisely fits HTS 2931.49.00.05 for specified phosphoramidocyanidates. Its chemically pure form qualifies under Chapter 29 for separate organic compounds.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Use precise IUPAC naming in commercial invoices to match statistical suffix .05 requirements
• Test for impurities; >1% contaminants may shift to 2931.90 other category
• Monitor REACH-like compliance for EU origin chemicals entering US commerce