Aromatic Ureine Dye Intermediate AUDI-3
AUDI-3 for azo dye synthesis, pure aromatic ureine. HTS 2924.21.4500; not diluted standard per note (h).
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Import Tips & Compliance
• Diazonium compatibility cert
• Avoid retail packing
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.
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.
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.