This compound is a bis(3-hydroxynaphthalene-2-carboxamide) derivative featuring two methoxy-substituted aromatic rings. It is primarily recognized as a naphthol dye intermediate, used in the synthesis of azo pigments and dyes.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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3-Hydroxy-N-(2-methoxyphenyl)-2-naphthalenecarboxamide
Naphthol AS coupler for azo dyes
5'-chloro-3-hydroxy-2',4'-dimethoxy-2-naphthanilide
Naphthol dye intermediate
3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
Naphthol dye intermediate
4,4'-bis(O-acetoacetotoluidide)
Naphthol dye intermediate
5'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide
Naphthol dye intermediate
Reactive Orange 84
reactive dye for textiles
2'-methoxyacetoacetanilide
pigment
Dehydrothio-p-toluidine
intermediate for azo dyes
The international HS code for 2-Naphthalenecarboxamide, N,N'-(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[3-hydroxy- (CAS 91-92-9) is 2924.29.
2924.29
2924 29 70
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
3-hydroxy-N-[4-[4-[(3-hydroxynaphthalene-2-carbonyl)amino]-3-methoxyphenyl]-2-methoxyphenyl]naphthalene-2-carboxamide
AXUHYNGMYQMRRI-UHFFFAOYSA-N
COC1=C(C=CC(=C1)C2=CC(=C(C=C2)NC(=O)C3=CC4=CC=CC=C4C=C3O)OC)NC(=O)C5=CC6=CC=CC=C6C=C5O
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