2-Amino-6-methoxy benzo thiazole; 2-Amino-6-methyl benzo thiazole; 6-Ethoxy-2-benzo thiazo lethiol; 3-Methyl benzo thiazole-2-hydrazone; and Primuline base
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused: > 2-Amino-6-methoxy benzo thiazole; 2-Amino-6-methyl benzo thiazole; 6-Ethoxy-2-benzo thiazo lethiol; 3-Methyl benzo thiazole-2-hydrazone; and Primuline base
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 2934.20.30.00
2-Amino-6-methoxybenzothiazole
2-Amino-6-methoxybenzothiazole is a specific benzothiazole derivative with an amino group at position 2 and a methoxy group at position 6, explicitly listed under HTS 2934.20.3000. It is a chemically defined heterocyclic compound used primarily as an intermediate in dye synthesis and pharmaceutical production.
6-Ethoxy-2-benzothiazolethiol
6-Ethoxy-2-benzothiazolethiol features ethoxy substitution at position 6 and thiol (-SH) functionality at position 2 on the benzothiazole ring, explicitly covered by HTS 2934.20.3000. Used in synthesis of vulcanization accelerators and specialty dyes.
3-Methylbenzothiazole-2-hydrazone
3-Methylbenzothiazole-2-hydrazone is a benzothiazole derivative with methyl at nitrogen position 3 and hydrazone (=NNH2) at position 2, specifically named in HTS 2934.20.3000. Primarily used as intermediate for pharmaceutical hydrazone derivatives and analytical reagents.
Primuline Base
Primuline base is the primary aromatic amine derivative of benzothiazole used as the key intermediate for primuline direct dyes, explicitly listed under HTS 2934.20.3000. This chemically defined compound contains the unfused benzothiazole ring system required by the heading.
2-Amino-6-methylbenzothiazole
2-Amino-6-methylbenzothiazole contains the precise benzothiazole ring system with amino at position 2 and methyl at position 6, directly enumerated in HTS 2934.20.3000. This pure organic compound serves as a key intermediate for azo dyes and fluorescent brighteners.