4-Hydroxycoumarin USP Grade
USP-grade 4-Hydroxycoumarin meets pharmacopeia standards for research and synthesis. Its aromatic lactone structure qualifies it as a heterocyclic compound with oxygen hetero-atoms only.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is not a lactone but another oxygen heterocycle
Other oxygen heterocycles are classified under this alternative.
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 meets USP specifications and provide the CAS number (1076-38-6)
• If used in pharmaceutical applications, verify compliance with Health Canada regulations
• Maintain certificates of analysis for customs purposes
Related Products under Tariff item 2932.20.00
4-Hydroxycoumarin Powder
4-Hydroxycoumarin is a synthetic aromatic lactone classified as a heterocyclic compound with oxygen hetero-atoms only. It serves as a key intermediate in pharmaceutical synthesis.
4-Hydroxycoumarin with Stabilizer
4-Hydroxycoumarin with stabilizer is a powder containing an anti-caking agent added for transport, as permitted by Chapter 29 Note 1(f). The stabilizer does not render the product suitable for a specific use. As a separate chemically defined organic compound with a lactone ring, it falls under tariff item 2932.20.00.
4-Methylumbelliferone (CAS 90-33-5)
4-Methylumbelliferone is a methylcoumarin derivative with a lactone ring structure, making it a heterocyclic compound with oxygen hetero-atoms only. It is commonly used as a fluorogenic substrate in biochemical assays and as a laser dye.
6-Ethylcoumarin (CAS 17912-17-1)
6-Ethylcoumarin is a substituted coumarin with a lactone ring, classified as a heterocyclic compound with oxygen hetero-atoms only. It is used in fragrance formulations for its strong, long-lasting scent.
6-Hydroxy coumarin (Umbelliferone)
Umbelliferone (6-hydroxycoumarin) is a phenolic derivative of coumarin, a lactone with an aromatic heterocyclic structure. It is used in cosmetics and as a fluorescent indicator. As a chemically defined organic compound with a lactone ring, it is classified under tariff item 2932.20.00.
6-Methylcoumarin (CAS 92-48-8)
6-Methylcoumarin is a methyl derivative of coumarin with a lactone ring, making it a heterocyclic compound with oxygen hetero-atoms only. It is used as a fragrance fixative in perfumes and flavoring agents.