O-n-Propyl N-Ethyl-N-Methyl Phosphoramidocyanidate from China
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 — China → United States
112.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, 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