High-Purity p-Nitro-o-Anisidine for Pharmaceutical Intermediates
High-purity p-nitro-o-anisidine (99.5%) for pharmaceutical synthesis is classified under HTS 2922.29.81.10 as a pure oxygen-function amino-phenol ether. Its nitro and methoxy groups enable reduction to key drug scaffolds.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used primarily as a base rather than oxygen-function compound
Amine-function emphasis in end-use might prioritize 2921 over 2922 per numerical order rule.
If cyclized or containing excluded ring structures per note to 2932-2934
Heterocyclic derivatives exclude from acyclic oxygen-amino compounds in 2922.
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Import Tips & Compliance
• Obtain DMF or equivalent for pharma imports; cross-check with FDA chemical database
• Ensure <10 ppm heavy metals per USP standards to avoid Chapter 28 inorganic classification
Related Products under HTS 2922.29.81.10
p-Nitro-o-Anisidine
p-Nitro-o-anisidine is a chemically defined organic compound featuring an amino group, nitro group, and methoxy ether on a benzene ring, classified under HTS 2922.29.81.10 as an oxygen-function amino-phenol ether. It serves as a key intermediate in dye synthesis and pharmaceutical production due to its reactive functional groups.
p-Nitro-o-Anisidine Technical Grade (98% Purity)
Technical grade p-nitro-o-anisidine at 98% purity is a separate chemically defined organic compound used in industrial dye manufacturing. It falls under HTS 2922.29.81.10 due to its amino-phenol ether structure with a nitro substituent, meeting Chapter 29 note (a) for pure compounds.
4-Nitro-2-Methoxyaniline (Synonym for p-Nitro-o-Anisidine)
4-Nitro-2-methoxyaniline, synonymous with p-nitro-o-anisidine, is an amino-phenol ether with a nitro group, precisely specified under HTS 2922.29.81.10. This compound is primarily used as an intermediate for azo dyes and agrochemicals.
p-Nitro-o-Anisidine with Stabilizer for Transport
p-Nitro-o-anisidine stabilized with an anticaking agent for safe transport qualifies under HTS 2922.29.81.10 per Chapter 29 note (f). It remains a chemically defined oxygen-function amino-compound used in pigment synthesis.