(R)-α-Amino-4-Hydroxybenzene Acetic Acid (D-(-)-p-Hydroxyphenyl Glycine)
Chiral aromatic amino acid featuring hydroxy and carboxylic acid oxygen functions, explicitly listed under HTS 2922.50.0700. Pharmaceutical intermediate for synthesis of antibiotics like amoxicillin.
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Alternative Classifications
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Import Tips & Compliance
• Specify optical rotation [α]D and enantiomeric excess (>99% D-form) in COA for classification confirmation
• DMF filing required for pharma intermediates; include end-use statement
• Hygroscopic; import in desiccated packaging to maintain crystal form
Related Products under HTS 2922.50.07.00
3,4-Diaminophenetole Dihydrogen Sulfate
3,4-Diaminophenetole dihydrogen sulfate is a chemically defined aromatic amino-alcohol-phenol compound with oxygen function, explicitly listed under HTS 2922.50.0700. It is primarily used as an intermediate in the synthesis of oxidative hair dyes for permanent coloring applications.
2-Nitro-5-[(2,3-Dihydroxy)propoxy]-N-methyl Aniline
This nitro-substituted aromatic aniline derivative with dihydroxypropoxy oxygen function is explicitly named in HTS 2922.50.0700 as an oxygen-function amino-compound. Commonly employed as a dye coupler in oxidative permanent hair color formulations.
2-Nitro-5-(2-Hydroxyethoxy)-N-methyl Aniline
An aromatic amino compound featuring nitro and hydroxyethoxy oxygen functions, specifically enumerated under HTS 2922.50.0700. Serves as an oxidation base or coupler in professional permanent hair coloring systems.
4-(2-Hydroethoxy)-1,3-Phenylene Diamine Dihydrochloride
Dihydrochloride salt of a diaminobenzene derivative with hydroxyethoxy function, explicitly covered by HTS 2922.50.0700 as aromatic oxygen-function amino-compound. Key developer in low-ammonia permanent hair dyes.
3-Methoxy-4-[(2-Hydroxyethyl)amino] Nitrobenzene
Nitrobenzene derivative with methoxy and hydroxyethylamino functions, listed under HTS 2922.50.0700 for aromatic amino compounds with oxygen function. Utilized as a direct dye or coupler in semi-permanent hair colorants.
4-[(2-Hydroxyethyl)amino]-3-Nitrophenol
Nitrophenol compound with hydroxyethylamino substituent, specifically named in HTS 2922.50.0700 as amino-acid-phenol type oxygen-function compound. Employed in oxidative hair dye systems for red-brown shades.