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.
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
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 the aldehyde function is not the primary characteristic
Other carboxylic acid derivatives with oxygen functions may apply.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide USP-grade certification to demonstrate purity for pharmaceutical use
• Verify the product is not put up in measured doses, which could shift classification to Chapter 30
• Keep records of the chemical structure for tariff 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.
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.
Dimethyl Acetyl Succinate Technical Grade
This technical grade dimethyl acetyl succinate is a chemically defined compound with ester and ketone functions, with impurities allowed per Chapter 29 Note 1(a). It falls under 2918.30.00 as a carboxylic acid with ketone function, used in polymer production.