Reineckate Salt (Ammonium Reineckate) from Mexico
Ammonium reineckate is a coordination complex used as a protein precipitation reagent in biochemistry. It falls under HTS 2842.90.9050 as tetrathiocyanatodiamminochromate (reineckate) per Chapter 28 note (d).
Duty Rate — Mexico → United States
13.3%
Rate breakdown
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
• Include structural formula and CAS number in documentation
• Classify as research chemical to avoid pharma regs
• Verify chromium content for RoHS compliance if electronic use