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Ethyl 2-keto-4-phenylbutanoate (98% purity, pharma grade) from Japan

High-purity version of the named compound under HTS 2918.30.1500, supplied as a pale yellow oil for pharmaceutical intermediate applications. Its aromatic ketone-acid ester structure fits chapter notes for classification in the last occurring heading for such oxygen functions.

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%

Import Tips

Use tamper-evident packaging with nitrogen blanketing to maintain stability during ocean freight

Pre-notify CBP of imminent arrival with exact chemical name to expedite release from exam