Other
Heterocyclic compounds with nitrogen hetero-atom(s) only. > Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2933.19.00
1-(2',5'-Dichlorophenyl)-3-methyl-2-pyrazolin-5-one
> 1-(2',5'-Dichlorophenyl)-3-methyl-2-pyrazolin-5-one is a chemically defined compound with an unfused pyrazole ring and dichlorophenyl substitution. It is used in specialty azo dyes and pharmaceutical synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound.
1-(m-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
> 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin-5-one is a chemically defined compound with an unfused pyrazole ring and chlorophenyl substitution. It is used as a dye intermediate and in pharmaceutical synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound.
1-(o-Ethylphenyl)-3-methyl-2-pyrazolin-5-one
> 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin-5-one is a chemically defined compound with an unfused pyrazole ring and ethylphenyl substitution. It is employed in dye chemistry and polymer additives. This product is classified under tariff item 2933.19.00 as an "Other" compound.
2,4-Methylcarboxypyrazolic acid
> 2,4-Methylcarboxypyrazolic acid is a chemically defined compound with an unfused pyrazole ring and carboxy substitution. It is used in fine chemical synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound.
3-(5-Amino-3-methyl-1H-pyrazol-1-yl)-benzenesulfonic acid
> 3-(5-Amino-3-methyl-1H-pyrazol-1-yl)-benzenesulfonic acid is a chemically defined compound with an unfused pyrazole ring and sulfonic acid group. It serves as an intermediate in the synthesis of azo dyes and pharmaceuticals. This product is classified under tariff item 2933.19.00 as an "Other" compound.
3-Amino-1-(2,4,6-trichlorophenyl)-5-pyrazolone
> 3-Amino-1-(2,4,6-trichlorophenyl)-5-pyrazolone is a chemically defined compound with an unfused pyrazole ring and trichlorophenyl substitution. It is used in synthesis of dyes and pharmaceuticals. This product is classified under tariff item 2933.19.00 as an "Other" compound.
3-Carboxy-1,4-sulfophenylpyrazol-5-one
> 3-Carboxy-1,4-sulfophenylpyrazol-5-one is a chemically defined compound with an unfused pyrazole ring and sulfonic/carboxy substitution. It is an essential intermediate for acid dyes and pharmaceuticals. This product is classified under tariff item 2933.19.00 as an "Other" compound.
3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl Methyl Pyrazolone)
> 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one is a chemically defined organic compound containing an unfused pyrazole ring with nitrogen hetero-atoms. It is commonly used as a dye intermediate and in pharmaceutical synthesis. This product falls under tariff item 2933.19.00 as an "Other" compound with an unfused pyrazole ring, not elsewhere specified.
Aminomethylphenylpyrazole (Phenylmethylaminopyrazole)
> Aminomethylphenylpyrazole is a chemically defined aromatic heterocyclic compound containing an unfused pyrazole ring with nitrogen hetero-atoms. It serves as a key intermediate in pharmaceutical and agrochemical synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound with an unfused pyrazole ring.
Aminomethylphenylpyrazole with Stabilizer
> Aminomethylphenylpyrazole with stabilizer is a chemically defined compound with an added anti-caking agent for preservation and transport, as permitted by Chapter 29 Note 1(f). It remains classified under tariff item 2933.19.00 as an "Other" compound with an unfused pyrazole ring. This stabilized form is used in bulk for pharmaceutical research and development.
High-Purity Aminomethylphenylpyrazole for Pharma
> High-Purity Aminomethylphenylpyrazole for Pharma is a 99.5% pure chemically defined compound with an unfused pyrazole ring. It is used as an intermediate for antiviral drug synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound with an unfused pyrazole ring, meeting Chapter 29 requirements for separate chemically defined organic compounds.
Phenylmethylaminopyrazole Technical Grade Powder
> Phenylmethylaminopyrazole Technical Grade Powder is a pure aromatic pyrazole compound with impurities that do not affect its chemical definition. It is used in fine chemical synthesis for herbicides and drugs. This product falls under tariff item 2933.19.00 as an "Other" compound with an unfused pyrazole ring, per Chapter 29 Note 1(a).
p-Tolyl Methyl Pyrazolone Aqueous Solution
> p-Tolyl Methyl Pyrazolone Aqueous Solution is a solution of the chemically defined compound in water, as permitted by Chapter 29 Note 1(d). It is used for safe lab handling in dye production. This product is classified under tariff item 2933.19.00 as an "Other" compound with an unfused pyrazole ring.
p-Tolyl Methyl Pyrazolone Crystals 99% Purity
> p-Tolyl Methyl Pyrazolone Crystals 99% Purity is a high-purity crystalline form of 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one, a chemically defined compound with an unfused pyrazole ring. It is essential for azo dye coupling and analgesic synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound.
p-Tolyl Methyl Pyrazolone Dye Coupler
> p-Tolyl Methyl Pyrazolone Dye Coupler is a specialty grade of the chemically defined compound optimized for use as a dye coupler. It remains a pure compound, not formulated, and is used in azo pigment production. This product is classified under tariff item 2933.19.00 as an "Other" compound with an unfused pyrazole ring.