Other
Oxygen-function amino-compounds. > Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof: > Other > Aromatic: > Other
Duty Rate (from China)
Products classified under Tariff item 2922.49.00.1
2-Amino-3-chlorobenzoic acid methyl ester
2-Amino-3-chlorobenzoic acid methyl ester is an aromatic amino-acid ester with a chlorine substituent on the benzene ring. It is a separate chemically defined organic compound with both amino and ester oxygen functions, qualifying under tariff item 2922.49.00 as an 'other' amino-acid ester.
2922.49.002-Ethylamino-5-Sulfobenzoic Acid
2-Ethylamino-5-sulfobenzoic acid is a substituted aromatic amino-acid with sulfonic acid as an additional function. It is a separate chemically defined organic compound with amino and carboxylic acid functions, classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.003,5-Diaminobenzoic Acid
3,5-Diaminobenzoic acid is an aromatic compound with two amino groups and a carboxylic acid function. It is a separate chemically defined organic compound, classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.003-(N-Ethylanilino)Propionic Acid Methyl Ester
3-(N-Ethylanilino)propionic acid methyl ester is an ester of an amino-acid derivative with an aromatic structure. It is a separate chemically defined organic compound with ester and amino functions, falling under tariff item 2922.49.00.
2922.49.003-Nitro-L-Tyrosine
3-Nitro-L-tyrosine is a nitrated derivative of the amino acid tyrosine, used in oxidative stress research. It is a separate chemically defined organic compound with an oxygen function, classified under heading 29.22. The nitro group does not alter its classification as an oxygen-function amino-compound.
2922.49.003-Nitrophenylalanine
3-Nitrophenylalanine is a nitro-substituted aromatic amino acid used in photocaging groups for photochemistry. It is a separate chemically defined organic compound with a single carboxyl (oxygen-function) group, qualifying it for classification under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.004-Fluorophenylalanine
4-Fluorophenylalanine is a halogenated aromatic amino acid used in PET imaging tracers and protein engineering. The fluorine substitution does not alter its oxygen-function amino-acid classification, and it is a separate chemically defined compound under tariff item 2922.49.00.
2922.49.00Apraclonidine Hydrochloride
Apraclonidine hydrochloride is an alpha-2 adrenergic agonist salt derived from aromatic amino-acid structures. It is a separate chemically defined organic compound with amino and carboxylic acid functions, falling under tariff item 2922.49.00.
2922.49.00Benzocaine
Benzocaine is an aromatic ester of p-aminobenzoic acid used as a topical anesthetic drug. It is a separate chemically defined organic compound with ester and amino functions, classified under tariff item 2922.49.00.
2922.49.00Benzyl Glycine
Benzyl glycine, also known as 2-amino-3-phenylpropanoic acid, is an aromatic-substituted glycine with a single carboxyl function. It is a separate chemically defined organic compound classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.00Bulk Glycine Flakes for Animal Nutrition
Bulk glycine flakes, also known as aminoacetic acid, are a separate chemically defined amino acid used in animal feed formulations to support growth and metabolism. It is classified under tariff item 2922.49.00 as an 'other' amino-acid, not as a feed preparation.
2922.49.00Chlorpheniramine Maleate
Chlorpheniramine maleate is an antihistamine drug supplied as a salt of an aromatic amino-acid derivative. It is a separate chemically defined organic compound with an oxygen function, placing it in heading 29.22. As a salt of an amino-acid, it is classified under tariff item 2922.49.00.
2922.49.00Diphenhydramine Hydrochloride
Diphenhydramine hydrochloride is an ethanolamine derivative with an aromatic ether oxygen function and a tertiary amine group. It is a separate chemically defined organic compound falling under heading 29.22 as an oxygen-function amino-compound. The hydrochloride salt is classified with the parent organic compound.
2922.49.00DL-Homophenylalanine
DL-Homophenylalanine is a phenylalanine homolog with an extended carbon chain, featuring a single carboxyl oxygen function. It is a separate chemically defined organic compound classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.00DL-Phenylalanine
DL-Phenylalanine is a racemic mixture of the aromatic amino acid phenylalanine, containing a single carboxylic acid oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. The mixture of isomers is covered by Chapter note 1(b).
2922.49.00DL-Tryptophan
DL-Tryptophan is a racemic mixture of the aromatic amino acid tryptophan, containing an indole ring and a single carboxylic acid oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. The mixture of isomers is covered by Chapter note 1(b).
2922.49.00DL-Tyrosine
DL-Tyrosine is a synthetic aromatic amino acid with a phenolic oxygen function in addition to the carboxyl group. Despite the phenolic group, it is classified under tariff item 2922.49.00 as an 'other' amino-acid because the carboxyl function is the characteristic oxygen function.
2922.49.00Doxylamine Succinate
Doxylamine succinate is a sedating antihistamine consisting of an ethanolamine ether with an amino group and a succinate salt. It is a separate chemically defined organic compound with an oxygen function, classified under heading 29.22. The succinate salt is classified with the organic base.
2922.49.00D-Phenylalaninol
D-Phenylalaninol is the amino-alcohol reduction product of phenylalanine, with an alcohol oxygen function instead of a carboxyl group. It is classified under tariff item 2922.49.00 as an 'other' oxygen-function amino-compound, retaining the amino-acid carbon skeleton.
2922.49.00D-Phenylglycine 98% Pharmaceutical Grade
D-Phenylglycine (R)-α-aminobenzeneacetic acid is a chiral aromatic amino acid with amino and carboxylic acid functions. It is a separate chemically defined organic compound, classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.00Histidine Monohydrochloride Monohydrate
Histidine monohydrochloride monohydrate is a hydrated hydrochloride salt of the amino acid histidine, containing an imidazole ring and a carboxylic acid oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. The salt and hydrate are classified with the parent amino acid.
2922.49.00L-Histidine
L-Histidine is an essential amino acid with an imidazole ring and a carboxylic acid oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. Used in cell culture media and as a precursor for antihistamines.
2922.49.00Lidocaine Hydrochloride
Lidocaine hydrochloride is an aromatic amino-acid derivative used as a local anesthetic, containing an amide and an amine group with an oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. The hydrochloride salt is classified with the parent compound.
2922.49.00L-Phenylalanine
L-Phenylalanine is an essential aromatic amino acid with amino and carboxylic acid functions. It is a separate chemically defined organic compound, classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.00L-Phenylalanine Ethyl Ester Hydrochloride
L-Phenylalanine ethyl ester hydrochloride is the hydrochloride salt of the ethyl ester of phenylalanine, used in peptide synthesis. It is a separate chemically defined organic compound with an oxygen function, classified under heading 29.22. Esters of amino acids are classified with the parent acid.
2922.49.00L-Tyrosine
L-Tyrosine is a phenolic amino acid with a carboxylic acid and a hydroxyl oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. It serves as a precursor for neurotransmitters and is used in supplements.
2922.49.00m-Aminobenzoic Acid, Technical Grade
m-Aminobenzoic acid (3-aminobenzoic acid) is a meta-substituted aromatic amino-acid with amino and carboxylic acid functions. It is a separate chemically defined organic compound, falling under tariff item 2922.49.00.
2922.49.00β-(β-Methoxyethoxyethyl)-4-Aminobenzoate
β-(β-Methoxyethoxyethyl)-4-aminobenzoate is a complex amino-acid ester with an aromatic structure. It is a separate chemically defined organic compound with ester and amino functions, classified under tariff item 2922.49.00.
2922.49.00Methyl 2-Amino-3-chlorobenzoate Technical Grade
Methyl 2-amino-3-chlorobenzoate technical grade is an aromatic amino-acid ester used as an intermediate in custom synthesis. It is a separate chemically defined organic compound with ester and amino functions, falling under tariff item 2922.49.00.
2922.49.00Methyl Anthranilate
Methyl anthranilate is the methyl ester of o-aminobenzoic acid (anthranilic acid), an aromatic amino-acid ester. It is a separate chemically defined organic compound with ester and amino functions, classified under tariff item 2922.49.00.
2922.49.00p-Aminobenzoic Acid (PABA)
p-Aminobenzoic acid (PABA) is an aromatic organic compound with amino and carboxylic acid functional groups. It is a separate chemically defined organic compound, classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.00p-Fluoro-DL-Phenylalanine
p-Fluoro-DL-phenylalanine is a halogenated derivative of phenylalanine with a single carboxylic acid oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. The fluorine substitution does not change its classification as an oxygen-function amino-compound.
2922.49.00Phenylalanine Methyl Ester Hydrochloride
Phenylalanine methyl ester hydrochloride is the ester salt of phenylalanine, classified under tariff item 2922.49.00 per Chapter Note 5(A) with the parent amino-acid. The ester maintains the oxygen-function amino-compound nature and is used as a protected form in peptide synthesis.
2922.49.00Phenylglycine
Phenylglycine, also known as alpha-amino-phenylacetic acid, is an aromatic amino acid used as an intermediate in antibiotic synthesis. It features a single carboxyl oxygen function and is classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.00Procaine Hydrochloride
Procaine hydrochloride is the hydrochloride salt of an ester of p-aminobenzoic acid, used as a local anesthetic. It is a separate chemically defined organic compound with an oxygen function, classified under heading 29.22. The salt is classified with the parent ester.
2922.49.00(R)-α-Aminobenzeneacetic acid
(R)-α-Aminobenzeneacetic acid, also known as D-phenylglycine, is a chiral aromatic amino acid with amino and carboxylic acid functions. It is a separate chemically defined organic compound, classified under tariff item 2922.49.00 as an 'other' amino-acid.
2922.49.00(R)-Phenylglycine Free Acid
(R)-Phenylglycine free acid is the free acid form of D-phenylglycine, a chiral aromatic amino acid used in beta-lactam synthesis. It is a separate chemically defined organic compound with amino and carboxylic acid functions, falling under tariff item 2922.49.00.
2922.49.00Tryptophan Sodium Salt
Tryptophan sodium salt is the sodium salt of the amino acid tryptophan, containing an indole ring and a carboxylic acid oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. Inorganic salts of organic compounds are classified with the parent compound.
2922.49.00Tyrosine Ethyl Ester
Tyrosine ethyl ester is the ethyl ester of tyrosine, classified under tariff item 2922.49.00 per Chapter Note 5(B) with the parent acid. It is a protected form used in peptide synthesis, maintaining the oxygen-function amino-compound nature.
2922.49.00Tyrosine Methyl Ester
Tyrosine methyl ester is the methyl ester of the amino acid tyrosine, containing a phenolic hydroxyl and an ester oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. Esters of amino acids are classified with the parent acid.