9-Aminoacridine
9-Aminoacridine is an acridine derivative with an amino group at position 9, classified under HTS 2933.99.0500 due to its core acridine structure despite additional nitrogen functionality. Used in pharmaceutical intermediates and as a fluorescent dye base.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily by amino function
If amino group considered principal function over heterocycle, shifts to amine headings.
If used as fluorescent brightening agent
Specific use as luminophore moves to synthetic organic coloring matter in Chapter 32.
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Import Tips & Compliance
• Amino derivatives classified with parent heterocycle per Chapter 29 classification rules
• Include flash point and solubility data; may require special handling as flammable liquid
• Prevent misclassification as heading 2921 amine by emphasizing tricyclic acridine structure
Related Products under HTS 2933.99.05.00
Acridine
Acridine is a heterocyclic aromatic compound with a nitrogen hetero-atom in its tricyclic structure, classified under HTS 2933.99.0500 as a specific aromatic heterocyclic compound. It serves as a fundamental building block in organic synthesis for pharmaceuticals and dyes.
Indole
Indole is a bicyclic aromatic heterocyclic compound featuring a benzene ring fused to a pyrrole ring with nitrogen hetero-atom, specifically named in HTS 2933.99.0500. It is widely used as an intermediate in synthesizing pharmaceuticals, perfumes, and agrochemicals.
1-Methylindole
1-Methylindole is a modified aromatic indole derivative with a methyl group at the nitrogen position, falling under HTS 2933.99.0500 as a named aromatic heterocycle modification. Commonly used in organic synthesis for pharmaceuticals and as a fragrance intermediate.
Tryptophan
L-Tryptophan is an essential amino acid featuring an indole side chain attached to alanine, classified under HTS 2933.99.0500 due to its indole structure. The heterocyclic nitrogen compound takes precedence over amino acid classification.
Indole-3-Carboxaldehyde
Indole-3-carboxaldehyde features an aldehyde group at position 3 of the indole ring, remaining under HTS 2933.99.0500 as the named heterocyclic compound prevails over aldehyde function. Used in synthesis of pharmaceuticals and fragrances.
3-Acetylindole
3-Acetylindole contains a ketone functionality at position 3 of the indole structure, classified under HTS 2933.99.0500 with the heterocycle taking precedence over ketone classification. Important intermediate for alkaloid synthesis.