7-Dehydrocholesterol Provitamin D3 Concentrate from China
Lanolin-derived concentrate serving as provitamin D3 precursor for pharmaceutical and nutraceutical UV activation. Falls under HTS 2936.90.01 as a natural concentrate used primarily as a vitamin per Chapter 29 definitions.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Document lanolin extraction process to validate natural concentrate status
• Provide cholesterol content analysis to prevent confusion with lipid mixtures
• Ensure cold chain documentation if thermal instability requires special transport