D-Chiro-Inositol Crystals from Japan
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 — 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
• 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