2934.99.70.00/Cephamycin C Core Intermediate/Japan

Cephamycin C Core Intermediate from Japan

Synthetic cephamycin C nucleus structurally analogous to the named bicyclic beta-lactam in HTS 2934.99.70.00, used in broad-spectrum antibiotic production. Classified as 'other heterocyclic compounds' due to the characteristic 5-thia-1-azabicyclo[4.2.0]octene ring system.

Duty Rate — Japan → United States

0%

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

• Stereochemistry critical - provide X-ray crystallography or NMR confirming beta-lactam ring integrity

• Controlled substance precursor monitoring may apply; maintain 3-year import records

• Beta-lactam allergens require specific worker safety documentation for US facilities

Cephamycin C Core Intermediate from Japan — Import Duty Rate | HTS 2934.99.70.00