2936.90.01.10/Ergosterol (Provitamin D2 Base)/Mexico

Ergosterol (Provitamin D2 Base) from Mexico

Ergosterol, a yeast/fungi sterol, serves as the base provitamin D2 precursor requiring irradiation for vitamin activation. Imported under HTS 2936.90.0110 as a purified provitamin for synthetic vitamin D2 production in supplements. Meets Chapter 29 criteria for chemically defined organic compounds with vitamin precursor function.

Duty Rate — Mexico → United States

0%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Fungal origin requires GMO-free certification; provide fungal strain documentation for FDA review

• Specify crystalline purity (>95%) to qualify as separate compound vs. natural concentrate

• Monitor for anti-dusting agents per Chapter 29(g); additions cannot imply specific end-use

Ergosterol (Provitamin D2 Base) from Mexico — Import Duty Rate | HTS 2936.90.01.10