2936.29.50.20/Vitamin D3 500,000 IU/g Powder/China

Vitamin D3 500,000 IU/g Powder from China

High-potency Vitamin D3 powder standardized at 500,000 International Units per gram, used primarily as a vitamin in supplement manufacturing. Classified under HTS 2936.29.50.20 as cholecalciferol derivative meeting purity standards for unmixed vitamins. The powder form contains minimal stabilizer per Chapter 29 note (f).

Duty Rate — China → United States

100%

Rate breakdown

9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter

9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

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Import Tips

• Potency testing by third-party lab required; retain HPLC chromatograms for customs verification

• Declare as 'not for retail sale' to maintain bulk chemical status vs. consumer product

• Temperature-controlled shipping mandatory (<25°C) to preserve vitamin activity