Oxomemazine Base
Oxomemazine, a phenothiazine antihistamine with sedative properties, imported as free base API. Classified in HTS 2934.30.27.00 as chemically defined non-antipsychotic phenothiazine.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hydrogenated ring system
Fully hydrogenated phenothiazine ring-systems classify separately later in heading.
If as diagnostic reagent
Phenothiazine used in lab diagnostics classifies as chemical reagent in Chapter 38.
If ether/alcohol derivative emphasis
If classified primarily by ether function rather than heterocyclic ring.
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Import Tips & Compliance
• Verify free base vs salt form with pKa/solubility data for accurate chemical definition
• Include stability studies proving non-degradation of phenothiazine ring per Chapter 29
• Document EU vs US pharmacopeia equivalence for multinational imports
Related Products under HTS 2934.30.27.00
Promethazine Hydrochloride
Promethazine hydrochloride is a phenothiazine derivative used primarily as an antihistamine, antiemetic, and sedative drug. It contains a phenothiazine ring-system and falls under HTS 2934.30.27.00 as a chemically defined other drug of this class, distinct from antipsychotics like those in 2934.30.22.
Promethazine Theoclate
Promethazine theoclate, a salt form of promethazine with theophylline-8-chlorotheophyllinate, serves as an antiemetic medication. Classified under HTS 2934.30.27.00 per Chapter 29 note (C)(1) for salts of organic compounds following the base compound's heading.
Ethopropazine Hydrochloride
Ethopropazine hydrochloride is a phenothiazine anticholinergic used for Parkinson's disease symptoms. It qualifies under HTS 2934.30.27.00 as an 'other' phenothiazine drug, separate from antipsychotics.
Isothipendyl Hydrochloride
Isothipendyl hydrochloride, a phenothiazine antihistamine, is used for allergies and as a sedative. Falls under HTS 2934.30.27.00 as a non-antipsychotic phenothiazine drug per the heading's 'other drugs' provision.
Prochlorperazine Edisylate
Prochlorperazine edisylate, a phenothiazine antiemetic with some antipsychotic properties, is classified as 'other' under HTS 2934.30.27.00 when imported as bulk API rather than specifically listed antipsychotics.
Thiethylperazine Malate
Thiethylperazine malate is a phenothiazine derivative used exclusively as an antiemetic. It qualifies for HTS 2934.30.27.00 as an other phenothiazine drug, following Chapter 29 rules for acid salts.