Pharmaceutical Grade Benzoin Tetrahydropyranyl Ester
High-purity benzoin tetrahydropyranyl ester intended for API synthesis in drug manufacturing, a chemically defined aromatic heterocyclic ester with oxygen hetero-atoms. Classified specifically under HTS 2932.99.39.00 per the tariff description. Excludes mixtures or preparations, aligning with Chapter 29 scope.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing nitrogen hetero-atoms in structure
Lactones with nitrogen would shift to 2932.2x; pure oxygen-only stays in 2932.99.
If pre-mixed with excipients for medicinal use
Medications in dosage form exclude from Chapter 29, moving to Chapter 30 per exclusions.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Obtain FDA Drug Master File references if for pharmaceutical use to support import compliance
• Label with CAS number (specific to compound) and batch certificates to prevent reclassification as unspecified chemicals
Related Products under HTS 2932.99.39.00
Benzoin Tetrahydropyranyl Ester
Benzoin tetrahydropyranyl ester is a protected form of benzoin, a heterocyclic compound with oxygen hetero-atoms, used primarily as an intermediate in organic synthesis for pharmaceuticals and fragrances. It falls under HTS 2932.99.39.00 as a specifically named aromatic heterocyclic compound with oxygen hetero-atoms only. This chemical is chemically defined and separate, fitting Chapter 29 note (a).
Xanthen-9-one
Xanthen-9-one, also known as xanthone, is an aromatic heterocyclic compound featuring a central pyrone ring fused with benzene rings, containing oxygen hetero-atoms only. It is used in dye synthesis, pharmaceuticals, and as a fluorescent probe, classified under HTS 2932.99.39.00 as a specifically enumerated product. This pure organic compound meets Chapter 29 requirements for separate chemically defined heterocycles.
Laboratory Research Xanthen-9-one
Purified xanthen-9-one supplied for research labs, featuring oxygen-only heterocyclic structure, explicitly named in HTS 2932.99.39.00. Used in photochemistry and as a synthetic building block, it qualifies as a separate organic compound under Chapter 29.