Isobutyl 4-Phenylbutyrate
Isobutyl ester of aromatic 4-phenylbutyric acid, following parent acid classification in HTS 2915.60.10.00 per Chapter 29 ester rules. Specialty fragrance chemical with fruity odor profile.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If perfume oil mixtures
Odoriferous substance mixtures exceeding Chapter 29 purity criteria classify as perfumery products.
If non-aromatic butanoic acid esters
Aliphatic chain variants without phenyl group fall under the general pentanoic/butanoic ester subheading.
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Import Tips & Compliance
• Specify non-ethyl ester to avoid note (B) misapplication; include IFRA compliance for fragrance use; verify no added diluents triggering Chapter 38 classification
Related Products under HTS 2915.60.10.00
Sodium Phenylbutyrate
Sodium phenylbutyrate is the sodium salt of 4-phenylbutanoic acid, an aromatic saturated acyclic monocarboxylic acid. It falls under HTS 2915.60.10.00 as a salt of an aromatic butanoic acid, fitting Chapter 29 note (C)(1) for inorganic salts of organic acid-function compounds classified with the parent acid. Used primarily in medical treatments for urea cycle disorders.
4-Phenylbutyric Acid
4-Phenylbutyric acid (C6H5(CH2)3COOH) is a saturated acyclic monocarboxylic butanoic acid with an aromatic phenyl substituent. Classified under HTS 2915.60.10.00 as an aromatic derivative of butanoic acid per heading 2915 structure. Used in chemical synthesis and as a histone deacetylase inhibitor.
Methyl 4-Phenylbutyrate
Methyl 4-phenylbutyrate is the methyl ester of 4-phenylbutanoic acid, an aromatic butanoic acid ester. Falls under HTS 2915.60.10.00 per Chapter 29 note classifying esters with the parent acid-function compound occurring last in numerical order. Used as fragrance intermediate and flavoring agent.
Ethyl 4-Phenylbutyrate
Ethyl ester of 4-phenylbutyric acid, specifically classified with the parent aromatic butanoic acid under HTS 2915.60.10.00 per Chapter 29 note (B) for ethyl esters. Common in flavor and fragrance industry as apple-like aroma compound.
Calcium 4-Phenylbutyrate
Calcium salt of 4-phenylbutanoic acid, classified as aromatic butanoic acid salt under HTS 2915.60.10.00 following Chapter 29 note (C)(1). Used in nutritional supplements and pharmaceutical formulations.
4-Phenylbutyryl Chloride
Acid chloride derivative of 4-phenylbutanoic acid, classified with parent aromatic acid under HTS 2915.60.10.00 per Chapter 29 note (E). Reactive intermediate for ester and amide synthesis in organic chemistry.