Ethyl 2-keto-4-phenylbutanoate (98% purity, pharma grade)
High-purity version of the named compound under HTS 2918.30.1500, supplied as a pale yellow oil for pharmaceutical intermediate applications. Its aromatic ketone-acid ester structure fits chapter notes for classification in the last occurring heading for such oxygen functions.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diluted in solvent beyond transport allowances
Solutions exceeding chapter note (e) limits for safety/transport classify as mixtures in Chapter 38 rather than pure compounds.
If saturated without ketone functionality
Saturated acyclic polycarboxylic acid esters without ketone fall under 2917/2915, distinct from ketone-bearing aromatics.
If for the corresponding free alcohol precursor
Halogenated/benzene derivatives without carboxylic function classify earlier in Chapter 29.
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Import Tips & Compliance
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Related Products under HTS 2918.30.15.00
2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid, ethyl ester
This is a specific aromatic carboxylic acid ester featuring a ketone function and halogen substitutions, precisely matching the chemical structure defined in HTS 2918.30.1500. It serves as a key intermediate in pharmaceutical synthesis, particularly for fluorinated drug candidates, and falls under this heading due to its β-keto ester functionality without other oxygen groups.
2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid, ethyl ester (technical grade)
Technical grade of the specifically named halogenated aromatic β-keto ester in HTS 2918.30.1500, used in agrochemical synthesis. Qualifies due to precise matching of chemical definition and absence of other oxygen functions per chapter provisions.
Ethyl 2-keto-4-phenylbutanoate
An aromatic β-keto ester with a phenyl-substituted chain, explicitly listed under HTS 2918.30.1500 as a carboxylic acid with ketone function but no other oxygen groups. Used primarily as a synthetic intermediate in organic chemistry and drug development for its reactivity in C-C bond formations.
Mixture of 2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid ethyl ester isomers
Isomeric mixture of the named compound per chapter note (b), classified under HTS 2918.30.1500 as it matches the core structure with ketone and ester functions on aromatic base. Used in stereoselective synthesis for chiral pharmaceuticals.