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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.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

2933.59.00Same rate: Free

If the product is a pyrimidine compound without the barbituric acid core

Covers other pyrimidine-ring derivatives.

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

• Ensure the product is not formulated for retail sale, which could shift classification

• Verify the end-use to determine if additional permits apply

• Provide the chemical structure on the customs declaration to support the tariff item