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2915.60.10.00/Calcium 4-Phenylbutyrate/Japan

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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Include calcium content analysis and organic acid verification; comply with dietary supplement labeling under DSHEA; distinguish from fertilizer salts in Chapter 31