Lorazepam Base for Research Use
Lorazepam chemical reference standard for analytical and research laboratory use, supplied in small quantities. It is a separate chemically defined compound specifically named in tariff item 2933.91.00 as lorazepam (INN).
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 product is not specifically named in this item.
Other nitrogen hetero-atom compounds fall under this residual code.
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
• For research use, confirm if an exemption from controlled substance permits applies under the Controlled Drugs and Substances Act
• Provide documentation of the intended analytical purpose to CBSA
• Keep quantities minimal and clearly labeled as a reference standard
Related Products under Tariff item 2933.91.00
Alprazolam Base USP
Alprazolam base in USP reference standard form, a triazolobenzodiazepine used to treat anxiety and panic disorders. It is a separate chemically defined organic compound with a nitrogen-containing heterocyclic ring, specifically named in tariff item 2933.91.00.
Chlordiazepoxide HCl API
Chlordiazepoxide hydrochloride, the first benzodiazepine discovered, used for anxiety and alcohol withdrawal. It is a salt of chlordiazepoxide (INN), a named compound in tariff item 2933.91.00, and qualifies under Chapter 29 salt classification rules.
Clonazepam Micronized Powder
Clonazepam micronized powder, a benzodiazepine used for antiepileptic and antipanic treatment. It is specifically named in tariff item 2933.91.00 as clonazepam (INN), a separate chemically defined compound with a nitrogen heterocyclic structure.
Clorazepate Dipotassium Salt
Clorazepate dipotassium salt, a prodrug that hydrolyzes to desmethyldiazepam in the stomach, used for anxiety. It is a salt of clorazepate, a named compound in tariff item 2933.91.00, and qualifies under Chapter 29 rules for inorganic salts of organic compounds.
Diazepam USP Powder
Diazepam USP powder, a benzodiazepine used for anxiolytic, muscle relaxant, and sedative effects. It is specifically named in tariff item 2933.91.00 as diazepam (INN), a separate chemically defined compound with a nitrogen heterocyclic ring.
Lorazepam API Crystals
Lorazepam API in crystalline form, a high-purity benzodiazepine used in antianxiety medications and anesthesia premedication. It is specifically named in tariff item 2933.91.00 as lorazepam (INN), a 1,4-benzodiazepine derivative.