2920.90.20.00/p-Nitrophenyl Phosphate/Mexico

p-Nitrophenyl Phosphate from Mexico

p-Nitrophenyl phosphate (pNPP) is a chromogenic substrate for alkaline phosphatase enzyme assays in biotechnology. Classified under HTS 2920.90.2000 as nitrated derivative of aromatic phosphoric acid ester. Yellow color results from nitro substitution on phenyl ring.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Calculate with your customs valueVerify classification with AI

Import Tips

• Biotech reagents require cold chain if disodium salt hydrate form; specify storage conditions

• Include intended laboratory use certification to avoid pharmaceutical classification

p-Nitrophenyl Phosphate from Mexico — Import Duty Rate | HTS 2920.90.20.00