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2930.90.46.00/Pure DL-HMTBA Powder USP Grade/Japan

Pure DL-HMTBA Powder USP Grade from Japan

USP-grade DL-2-Hydroxy-4-(methylthio)butanoic acid powder, the precise DL-hydroxy analogue of DL-methionine under 2930.90.46.00. Meets pharmacopeia standards for potential pharmaceutical or high-purity feed applications.

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 USP certificate and impurity analysis per Chapter 29 note 1(a); segregate from feed grades for CBP inspection

• Common issue: incorrect declaration as generic amino acid

Pure DL-HMTBA Powder USP Grade from Japan — Import Duty Rate | HTS 2930.90.46.00