O-Isopropyl N,N-Dimethyl Phosphoramidocyanidate from Mexico
This compound features an O-isopropyl group (C3 branched alkyl ≤C10) combined with N,N-dimethyl phosphoramidocyanidate, fitting HTS 2931.49.00.05 for non-halogenated organo-phosphorus derivatives. Chapter 29 classification applies due to its chemically defined structure with phosphorus-carbon linkage.
Duty Rate — Mexico → United States
110%
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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label containers with exact chemical nomenclature and purity percentage to avoid disputes over 'chemically defined' status
• Prepare for TSCA (Toxic Substances Control Act) pre-manufacture notice if new to US inventory