D-Chiro-Inositol Crystals from China
D-chiro-inositol is a specific stereoisomer of inositol used in supplements for insulin sensitivity, classified as a cyclanic alcohol under HTS 2906.13.10.00. It is supplied as high-purity crystals meeting Chapter 29 requirements for separate chemically defined compounds.
Duty Rate — China → United States
35%
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
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)
Import Tips
• Provide stereochemical analysis confirming D-chiro form to distinguish from myo-inositol under the same heading
• Avoid anti-caking agents unless necessary for transport per Chapter 29 note (f); otherwise, classify as mixtures
• Check for FDA GRAS status documentation to facilitate customs clearance for food/supplement use