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.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of vitamin B complex intermediate
Vitamin-related compounds classify under specific provitamin headings.
If classified by carboxylic function
Alternative oxygen function classification if lactone not principal characteristic.
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Import Tips & Compliance
• Optical purity (>98% D-form) certification required for pharma use
• Hygroscopic nature requires sealed aluminum-lined drums
• Avoid racemic mixture declarations which command lower pricing but different uses
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.
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.
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.