ε-Caprolactone
ε-Caprolactone, a seven-membered lactone with oxygen heteroatom, is classified under HTS 2932.20.50 as other lactones. Primary use as monomer for polycaprolactone in biomedical applications.
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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 pre-polymerized form with DP 2-5
Low molecular weight polymers classify as plastics rather than monomers.
If packaged as pharmaceutical intermediate with sterile certification
Medicinal chemical products shift to Chapter 30 when meeting pharma standards.
If containing minor nitrogen impurities >0.1%
Presence of nitrogen heteroatoms moves to other heterocyclic oxygen compounds.
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
• Biomedical grade requires USP/EP certificate; standard grade uses different documentation
• Refrigerated shipping (<15°C) mandatory; temperature excursions void COA validity
• Avoid 'medical device component' declarations which trigger FDA pre-clearance
Related Products under HTS 2932.20.50
γ-Butyrolactone (GBL)
γ-Butyrolactone is a five-membered lactone ring heterocyclic compound with oxygen as the sole heteroatom, classified under HTS 2932.20.50 as 'other lactones'. It is a colorless liquid used as a solvent and intermediate in pharmaceutical synthesis.
Pantolactone
Pantolactone, a five-membered lactone used in pantothenic acid synthesis, contains oxygen heteroatom only and falls under HTS 2932.20.50. Essential intermediate for vitamin B5 production.
Glucono-delta-Lactone (GDL)
Glucono-delta-lactone is a six-membered lactone derived from glucose oxidation, with oxygen heteroatom only, under HTS 2932.20.50. Widely used as slow-release acidulant in food processing.
Diethyl L-tartrate
Diethyl L-tartrate contains a five-membered lactone-like structure in tartaric acid derivatives with oxygen heteroatoms, classified under HTS 2932.20.50 per ester rules. Used as chiral auxiliary in asymmetric synthesis.
Levulinic Acid Lactone
Levulinic acid lactone, a biomass-derived six-membered ring lactone with oxygen heteroatom, falls under HTS 2932.20.50. Used in green chemistry solvent applications.
Ribonolactone
Ribonolactone, a five-membered furanose lactone from ribose, contains oxygen heteroatom only and is classified under HTS 2932.20.50. Used in nucleotide synthesis.