L-Isoleucine Pharmaceutical Grade from Japan
L-Isoleucine pharmaceutical grade is a branched-chain amino acid for parenteral nutrition and muscle recovery supplements. HTS 2922.49.49 applies to this pure enantiomer with single oxygen function. Meets EP/USP monographs for IV infusion use.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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
• Pyrogen-free certification mandatory for pharma grade; include endotoxin test results
• Ship under temperature control (2-8°C); declare pharma end-use for FDA import alert screening