2907.29.90.00/Nordihydroguaiaretic Acid (NDGA)/Japan

Nordihydroguaiaretic Acid (NDGA) from Japan

NDGA is a potent antioxidant polyphenol from creosote bush used in food preservation and pharmaceuticals. HTS 2907.29.90.00 covers this tetraphenolic lignan as 'other' polyphenol. Synthetic versions also commercially available.

Duty Rate — Japan → United States

5.5%

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
Calculate with your customs valueVerify classification with AI

Import Tips

• Include prior sanction letters for food additive use

• Specify natural vs synthetic origin

• Document peroxide value for antioxidant efficacy

Nordihydroguaiaretic Acid (NDGA) from Japan — Import Duty Rate | HTS 2907.29.90.00