2933.39.41.00/Metyrapone/Japan

Metyrapone from Japan

Metyrapone, containing a methyl 1-(2-pyridyl)-1-propanone structure, inhibits cortisol synthesis in Cushing's syndrome treatment. HTS 2933.39.41.00 applies for its pyridine ring as a drug per Chapter 29 heterocyclic rules. Pharmaceutical bulk powder for API synthesis.

Duty Rate — Japan → United States

6.5%

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

• Ketone functionality confirmation via IR spectroscopy supporting pyridine classification

• Specify diagnostic/therapeutic end-use to avoid research chemical reclassification

• Light-sensitive powder; transport in amber containers with stability data

Metyrapone from Japan — Import Duty Rate | HTS 2933.39.41.00