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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily used as antipsychotic
Antipsychotic phenothiazines like chlorpromazine are specifically classified earlier in 2934.30.22 per chapter note on numerical order.
If imported as finished tablets or syrup
Medicaments in dosage form, even if containing phenothiazines, move to Chapter 30 regardless of chemical definition.
If lacking complete phenothiazine ring-system
Other heterocyclic compounds without the specific phenothiazine structure required by heading 2934.30.
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Import Tips & Compliance
• Verify FDA drug registration and provide Certificate of Analysis confirming chemical purity as per Chapter 29 notes for chemically defined compounds
• Include detailed pharmacological documentation to distinguish from antipsychotic phenothiazines under 2934.30.22
• Avoid misclassification as finished dosage forms which fall under Chapter 30
Related Products under HTS 2934.30.27.00
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.
Phenothiazine API USP Grade
Pure phenothiazine (C12H9NS), the parent compound of the ring system, imported as USP-grade active pharmaceutical ingredient. Classified under HTS 2934.30.27.00 as the base structure for drug synthesis.