Calcium 4-Phenylbutyrate from Japan
Calcium salt of 4-phenylbutanoic acid, classified as aromatic butanoic acid salt under HTS 2915.60.10.00 following Chapter 29 note (C)(1). Used in nutritional supplements and pharmaceutical formulations.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include calcium content analysis and organic acid verification; comply with dietary supplement labeling under DSHEA; distinguish from fertilizer salts in Chapter 31