L-Isoleucine Pharmaceutical Grade from China
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 — China → United States
29.2%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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