Mixture of 2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid ethyl ester isomers
This isomeric mixture of ethyl 2-chloro-4,5-difluoro-β-oxobenzenepropanoate is classified under 2918.30.00 per Chapter 29 Note 1(b), which covers mixtures of isomers of the same organic compound. It features a ketone and ester function without other oxygen functions, used in stereoselective synthesis.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
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Import Tips & Compliance
• Document the isomeric composition, as mixtures of isomers are covered under Note 1(b)
• Ensure the isomers are of the same organic compound
• Provide the chemical structure and CAS number for CBSA verification
Related Products under Tariff item 2918.30.00
2-(4-Formylphenyl)acetic Acid Methyl Ester
Methyl 2-(4-formylphenyl)acetate is a separate chemically defined organic compound with both an aldehyde function and an ester (carboxylic acid derivative) function on an aromatic ring. It falls under tariff item 2918.30.00 as a carboxylic acid with aldehyde function, without other oxygen functions beyond those inherent to the aldehyde and ester groups.
2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid, ethyl ester
Ethyl 2-chloro-4,5-difluoro-β-oxobenzenepropanoate is a separate chemically defined aromatic compound with a ketone function and ester group, along with halogen substituents. It is classified under 2918.30.00 as a carboxylic acid with ketone function, without other oxygen functions, serving as a pharmaceutical intermediate.
2-Chloro-4,5-difluoro-β-oxobenzenepropanoic acid, ethyl ester (technical grade)
This technical grade of ethyl 2-chloro-4,5-difluoro-β-oxobenzenepropanoate is a chemically defined aromatic β-keto ester with halogen substitutions, used in agrochemical synthesis. It falls under 2918.30.00 as a carboxylic acid with ketone function, without other oxygen functions, with impurities allowed.
4-Formylphenylacetic Acid Methyl Ester USP Grade
This USP-grade methyl ester of 4-formylphenylacetic acid is a high-purity, separate chemically defined compound with aldehyde and ester functions. It is classified under 2918.30.00 as a carboxylic acid derivative with aldehyde function, meeting pharmaceutical standards for drug intermediate use.
CAS 70288-50-1 Methyl 4-Formylphenylacetate
CAS 70288-50-1, methyl 4-formylphenylacetate, is a pure, separate chemically defined aromatic compound with both aldehyde and ester oxygen functions. It falls under 2918.30.00 as a carboxylic acid with aldehyde function, without other oxygen functions beyond those in the aldehyde and ester groups.
Dimethyl Acetyl Succinate
Dimethyl acetyl succinate is a separate chemically defined organic compound with ester (carboxylic acid derivative) and ketone functions, without other oxygen functions. It is classified under 2918.30.00 as a carboxylic acid with ketone function, used in polymer and resin production.