3-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone
Heterocyclic compounds with nitrogen hetero-atom(s) only: > Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: > Other: > Aromatic or modified aromatic: > 3-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Products classified under HTS 2933.19.08.00
3-(5-Amino-3-methyl-1H-pyrazol-1-yl)-benzenesulfonic acid
This is a chemically defined aromatic pyrazole derivative with a sulfonic acid group, specifically listed under HTS 2933.19.08.00. It serves as an intermediate in the synthesis of azo dyes and pharmaceuticals. The compound contains an unfused pyrazole ring with nitrogen hetero-atoms, qualifying it for Chapter 29 classification per the chapter notes.
Amino-J-pyrazolone
Amino-J-pyrazolone is a specific aromatic pyrazolone compound explicitly named in HTS 2933.19.08.00, featuring an unfused pyrazole ring. Primarily used as a dye coupling agent and pharmaceutical intermediate. Its heterocyclic nitrogen structure and aromatic modification fit Chapter 29 requirements.
3-Amino-1-(2,4,6-trichlorophenyl)-5-pyrazolone
This chlorinated aromatic pyrazolone derivative is expressly listed under HTS 2933.19.08.00. The unfused pyrazole ring with nitrogen hetero-atoms and aromatic substitution makes it a Chapter 29 compound. Used in synthesis of trichloropyrazolone dyes and agrochemicals.
Sulfinpyrazone
Sulfinpyrazone, a specific pyrazolone derivative listed in HTS 2933.19.08.00, features an unfused pyrazole ring with aromatic modification. Primarily imported as a pharmaceutical intermediate for anti-inflammatory drugs. Meets Chapter 29 criteria for chemically defined heterocyclic compounds.
1-(m-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
This chlorophenyl-substituted pyrazolone is explicitly named in HTS 2933.19.08.00 as an aromatic pyrazole compound. Contains unfused pyrazole ring qualifying under Chapter 29 heading 2933. Used as dye intermediate and in organic synthesis.
p-Chloropyrazolone
p-Chloropyrazolone is a listed aromatic pyrazole derivative under HTS 2933.19.08.00 with unfused pyrazole ring and chlorine substitution. Common dye coupler in azo pigment manufacturing. Chemically defined structure fits Chapter 29 heterocyclic compounds scope.
5-Imino-3-methyl-1-phenylpyrazole
This imino-substituted aromatic pyrazole is specifically enumerated in HTS 2933.19.08.00. Features unfused pyrazole ring with nitrogen hetero-atoms only, per heading requirements. Used in pharmaceutical research and as dye intermediate.
Methylphenylpyrazolone
Methylphenylpyrazolone, explicitly listed under HTS 2933.19.08.00, is an aromatic pyrazole derivative with unfused ring structure. Widely used as photographic chemical intermediate and dye coupler. Qualifies as chemically defined organic compound of Chapter 29.
3-Carboxy-1,4-sulfophenylpyrazol-5-one
This sulfonic/carboxy substituted pyrazolone is named in HTS 2933.19.08.00 as aromatic pyrazole compound. Unfused pyrazole ring with nitrogen hetero-atoms fits Chapter 29. Essential intermediate for acid dyes and pharmaceuticals.
1-(2',5'-Dichlorophenyl)-3-methyl-2-pyrazolin-5-one
Dichlorophenyl pyrazolone derivative specifically listed in HTS 2933.19.08.00. Aromatic modification with unfused pyrazole ring qualifies under heading 2933. Used in specialty azo dyes and pharmaceutical synthesis.
4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid
Complex chlorosulfonic pyrazole derivative explicitly in HTS 2933.19.08.00. Features unfused pyrazole ring and aromatic substitution per Chapter 29 notes. Used in high-performance dye coupling.
1-(o-Ethylphenyl)-3-methyl-2-pyrazolin-5-one
Ethylphenyl substituted pyrazolone listed under HTS 2933.19.08.00. Unfused pyrazole ring with aromatic modification fits Chapter 29 heterocyclic criteria. Employed in dye chemistry and polymer additives.
5-Imino-3-methyl-1-(m-sulfophenyl)-pyrazole
Sulfophenyl imino-pyrazole specifically named in HTS 2933.19.08.00. Aromatic pyrazole with nitrogen hetero-atoms only, per heading scope. Dye intermediate with high water solubility.
2,4-Methylcarboxypyrazolic acid
Methylcarboxy pyrazolic acid listed in HTS 2933.19.08.00 as aromatic pyrazole derivative. Unfused ring structure qualifies under Chapter 29. Used in fine chemical synthesis.