7-Methylcoumarin (CAS 541-59-3)
7-Methylcoumarin, also known as herniarin, is an ethylcoumarin derivative captured under HTS 2932.20.0500 for its oxygen-heterocyclic lactone structure. It functions as a UV-absorber in cosmetics and a flavor enhancer in tobacco products.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing additional nitrogen hetero-atoms
Nucleic acid derivatives or other nitrogen-heterocyclic structures shift to Chapter 2934.
If used primarily as a synthetic fluorescent brightening agent
Chapter 32 covers synthetic coloring/brightening agents, excluding pure Chapter 29 compounds.
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Import Tips & Compliance
• Provide NMR or HPLC certificates verifying the 7-position methyl group for accurate subheading classification
• Note any added stabilizers required for transport, permitted under Chapter 29 notes (f)
• Watch for FDA flavoring regulations if destined for food/tobacco applications
Related Products under HTS 2932.20.05.00
Coumarin (CAS 91-64-5)
Coumarin is a fragrant organic chemical compound classified under HTS 2932.20.0500 as a lactone with a heterocyclic oxygen hetero-atom structure, specifically the parent compound of the coumarin family. It is primarily used as a fixative and fragrance ingredient in perfumes, cosmetics, and soaps due to its sweet, hay-like odor.
6-Methylcoumarin (CAS 92-48-8)
6-Methylcoumarin is a methyl derivative of coumarin, specifically classified under HTS 2932.20.0500 due to its lactone structure with oxygen hetero-atoms. It serves as a key fragrance fixative in high-end perfumes and flavorings, valued for its stable, sweet-tonka scent profile.
Umbelliferone (7-Hydroxycoumarin, CAS 93-35-6)
Umbelliferone is a naturally-derived but synthetically produced coumarin derivative under HTS 2932.20.0500, featuring the required lactone ring with oxygen hetero-atom. It serves as a UV filter in sunscreens and a precursor for coumarin dyes.
4-Methylumbelliferone (CAS 90-33-5)
4-Methylumbelliferone (4-MU) is a methylcoumarin derivative classified in HTS 2932.20.0500 for its coumarin lactone structure. Widely used as a fluorogenic substrate in biochemical assays and as a laser dye.
Ethylcoumarin (CAS 123-66-0)
Ethylcoumarin is explicitly covered under HTS 2932.20.0500 as a lactone heterocyclic compound with ethyl substitution. It imparts strong vanilla-coumarin notes in flavorings for confectionery and alcoholic beverages.
6-Ethylcoumarin (CAS 17912-17-1)
6-Ethylcoumarin, a substituted ethylcoumarin, qualifies under HTS 2932.20.0500 due to its core lactone structure with oxygen hetero-atom. Used in advanced fragrance formulations for its powerful, long-lasting scent.