HTS Code: 2936 — Vitamins and Provitamins Classification
HTS US: 2936.XX.XXXX Description This heading encompasses provitamins and vitamins that are either naturally derived or synthetically produced, including natural...
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HTS Code: 2935 — Sulfonamides Classification and Details
HTS US: 2935.XX.XXXX Description Heading 2935 covers sulfonamides, a class of organic compounds characterized by the presence of the sulfonamide...
HTS Code: 2934 — Nucleic Acids and Heterocyclic Compounds
HTS US: 2934.XX.XXXX Description This heading encompasses nucleic acids and their salts, whether or not chemically defined, as well as...
HTS Code: 2933 — Heterocyclic Compounds with Nitrogen Hetero-Atoms Only
HTS US: 2933.XX.XXXX Description This heading encompasses heterocyclic chemical compounds that contain nitrogen hetero-atoms exclusively within their rings. These compounds...
HTS Code: 2932 — Heterocyclic Compounds with Oxygen Hetero-Atoms Only
HTS US: 2932.XX.XXXX Description This heading encompasses heterocyclic chemical compounds that contain oxygen as the sole hetero-atom within their molecular...
