Thiopental Sodium
Thiopental sodium is a thiobarbiturate used as an intravenous anesthetic. The sulfur substitution in the molecule does not remove it from the malonylurea derivative class, so it falls under tariff item 2933.54.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the sulfur substitution changes the ring structure beyond a simple derivative
Other heterocyclic compounds with nitrogen hetero-atoms only, if not classified as a barbiturate.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the product is a salt of a barbituric acid derivative, not a different organo-sulfur compound
• Check for controlled substance permits
• Ensure the product is not in measured doses for retail sale
Related Products under Tariff item 2933.54.00
Amobarbital USP
Amobarbital is a long-acting barbituric acid derivative used for sedation and hypnosis. It contains the pyrimidine ring structure characteristic of malonylurea derivatives, qualifying it for classification under tariff item 2933.54.00.
Barbital (Barbitone)
Barbital, also known as barbitone, is the diethyl derivative of barbituric acid and a classic sedative. As a malonylurea derivative with a pyrimidine ring, it is correctly classified under tariff item 2933.54.00.
Butabarbital Sodium
Butabarbital sodium is the sodium salt of a barbituric acid derivative used in sedative formulations. As a salt of a malonylurea derivative, it falls under tariff item 2933.54.00 per Chapter 29 classification rules for salts of organic compounds.
Hexobarbital
Hexobarbital is a short-acting barbiturate used in research and historically in medicine. Its structure is based on malonylurea with a pyrimidine ring, making it classifiable under tariff item 2933.54.00.
Pentobarbital Sodium USP
Pentobarbital sodium is a short-acting barbiturate salt used in veterinary euthanasia and medical sedation. As a salt of a barbituric acid derivative, it is classified under tariff item 2933.54.00.
Phenobarbital Sodium Powder
Phenobarbital sodium is the sodium salt of phenobarbital, used in injectable formulations and as an intermediate in pharmaceutical manufacturing. It is a salt of a barbituric acid derivative, classifying under tariff item 2933.54.00.