Other
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: > Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: > Other: > Other
Duty Rate (from China)
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2918.30.90.00
4-Hydroxyphenylpyruvic Acid
4-Hydroxyphenylpyruvic acid is a keto acid featuring both a carboxylic acid group and a ketone functionality, classifying it under HTS 2918.30.90.00 as a carboxylic acid with ketone function but without other oxygen functions beyond those specified. It is used in biochemical research and as an intermediate in pharmaceutical synthesis.
Benzoylformic Acid
Benzoylformic acid (phenylglyoxylic acid) is an aromatic alpha-keto acid with both carboxylic and ketone groups, falling under HTS 2918.30.90.00 for carboxylic acids with ketone function. It serves as a key intermediate in organic synthesis and pharmaceutical production.
Pyruvic Acid
Pyruvic acid (2-oxopropanoic acid) is the simplest alpha-keto acid with both carboxylic and ketone functionalities, fitting HTS 2918.30.90.00 criteria. It is essential in organic synthesis, cosmetics, and as a biochemical reagent.
Oxaloacetic Acid
Oxaloacetic acid features a ketone group beta to the carboxylic acid, meeting HTS 2918.30.90.00 for keto-functional carboxylic acids. It plays a critical role in the citric acid cycle and biochemical studies.
Levulinic Acid
Levulinic acid (4-oxopentanoic acid) contains a ketone group gamma to the carboxylic acid, qualifying for HTS 2918.30.90.00. It is a platform chemical derived from biomass for polymer and fuel applications.
2-Ketobutyric Acid
2-Ketobutyric acid is an alpha-keto acid with four carbons, fitting HTS 2918.30.90.00 as a carboxylic acid with ketone function. Applied in amino acid synthesis and metabolic pathway studies.
3-Ketobutyric Acid
3-Ketobutyric acid, a beta-keto acid, contains ketone and carboxylic functions per HTS 2918.30.90.00 classification. Used in organic synthesis despite instability.
5-Oxohexanoic Acid
5-Oxohexanoic acid features a ketone at position 5 relative to carboxylic acid, under HTS 2918.30.90.00. Intermediate in adipic acid synthesis routes.
Mandelic Aldehyde Acid
Mandelic aldehyde acid combines aldehyde and carboxylic functions, classified 'other' in HTS 2918.30.90.00. Used in pharmaceutical intermediates.
Pyridylglyoxylic Acid
Pyridylglyoxylic acid has pyridine ring with keto-carboxylic side chain, but acyclic chain function dominates for HTS 2918.30.90.00.
Camphoric Keto Acid Derivative
Synthetic camphoric keto acid derivative with defined ketone-carboxylic functions per HTS 2918.30.90.00. Specialty chemical application.
2-Oxoglutaric Acid (Alpha-Ketoglutaric Acid)
Alpha-ketoglutaric acid is a dicarboxylic acid with a ketone group, classified in HTS 2918.30.90.00 as a carboxylic acid with aldehyde/ketone function without other oxygen functions dominating classification. It is widely used in nutrition supplements and metabolic research.
Phenylglyoxylic Acid
Phenylglyoxylic acid is an aromatic compound with carboxylic acid and adjacent ketone groups, classified under HTS 2918.30.90.00. Commonly used in perfume synthesis and as a photoinitiator intermediate.
Acetoacetic Acid
Acetoacetic acid is a beta-keto acid with carboxylic and ketone groups, classified in HTS 2918.30.90.00. It is unstable and typically handled as derivatives but imported as stabilized forms for synthesis.
Glyoxylic Acid
Glyoxylic acid (oxoacetic acid) primarily features an aldehyde function with carboxylic acid, but classified in the 'other' category of HTS 2918.30.90.00 for its dual oxygen functions. Used in cosmetics and tanning agents.