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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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