2922.49.49.50/L-Arginine Base/Japan

L-Arginine Base from Japan

L-Arginine is a conditionally essential amino acid with guanidino group, falling under oxygen-function amino-acids in HTS 2922.49.4950. Widely used in nitric oxide boosters, wound healing formulations, and urea cycle support.

Duty Rate — Japan → United States

4.2%

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

• Ammonium content <200ppm specification prevents fertilizer classification

• Optical rotation data confirms L-form for therapeutic claims

• Bulk density declaration aids packaging compliance

L-Arginine Base from Japan — Import Duty Rate | HTS 2922.49.49.50