N-Phenylurea Derivative PUD-7
PUD-7 is a chemically defined aromatic ureine derivative used in agrochemical synthesis as a pesticide intermediate. Classified under HTS 2924.21.4500 for 'other' aromatic cyclic amides/ureines per Chapter 29 hierarchy, last numerical order rule. Excludes mixtures or retail colorants per chapter exclusions.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If formulated as herbicide intermediate for retail
Pesticide preparations containing ureines classify under Chapter 38, not pure compounds of Chapter 29.
If specifically enumerated like certain dyes intermediates
More specific ureines like those for azo dyes may fall under earlier 2924.21 subheadings.
If primarily sulfohalogenated derivative
Note specifies halogenated/sulfonated derivatives classify with parent under numerical order rule.
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Import Tips & Compliance
• Submit structural formula and IUPAC name in entry docs; CBP often requests for ureine verification
• Ensure no added stabilizers render it specific-use per note (f); pure forms only
• Avoid bulk packaging mimicking Chapter 38 preparations; pitfall leads to 3824 reclassification
Related Products under HTS 2924.21.45.00
Urethane Aromatic Derivative DU-14
DU-14 is an aromatic ureine derivative classified as a cyclic amide with carboxyamide-function, used primarily as a pharmaceutical intermediate for drug synthesis. It falls under HTS 2924.21.4500 as an 'other' aromatic ureine derivative and salt thereof, meeting Chapter 29 note (a) for chemically defined organic compounds. This excludes non-aromatic or excluded substances per chapter exclusions.
Diphenyl Ureine Salt DPS-3
DPS-3 is the sodium salt of an aromatic diphenyl ureine derivative, used as a stabilizer in polymer production. Falls under HTS 2924.21.4500 per note (C)(1) classifying salts with parent organic compound; pure, chemically defined per chapter note (a).
Benzoyl Ureine Derivative BU-19
BU-19 is a benzoyl-substituted aromatic ureine used in dye intermediate production, chemically defined cyclic amide. HTS 2924.21.4500 for 'other' aromatic ureines; excludes azo dye diluents per note (h).
Tolyl Ureine Intermediate TU-8
TU-8, a tolyl aromatic ureine, serves as intermediate for pharmaceutical APIs targeting metabolic disorders. Pure compound under HTS 2924.21.4500; complies with last numerical order and salt rules.
4-Methoxyphenyl Ureine MPU-22
MPU-22 is a methoxy-substituted aromatic ureine derivative for organic synthesis and research applications. Classifies as 'other' under HTS 2924.21.4500 for cyclic amide-function compounds per Chapter 29 scope.
Phenethyl Ureine Derivative PEU-5
PEU-5, an aromatic phenethyl ureine, used in fragrance chemical synthesis but remains pure compound. HTS 2924.21.4500; additives limited per note (g).