CAS NO:3905-19-9;71819-52-8

EC NO:223-460-6

Molecular Formula:C₄₀H₂₄Cl₄N₆O₄

Molecular Weight:794.4684

Synonyms:;C.I.Pigment Red 166;P.R.166;Disazo Scarlet;Cromophtal Scarlet R;2-Naphthalenecarboxamide,N,N'-1,4-phenylenebis[4-[(2,5-dichlorophenyl)azo]-3-hydroxy-;Pigment Red 166;C.I. 20730;

Molecular Structure:

CAS NO:5280-68-2

EC NO:226-103-2

Molecular Formula:C₃₃H₂₇ClN₄O₆

Molecular Weight:611.0437

Synonyms:12485;C.I.Pigment Red 146;P.R.146;Naphthol Carmine FBB;Permanent Carmine FBB;N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)-carbonyl]phenyl]azo]-2-Naphthalenecarboxamide(4Z)-N-(4-chloro-2,5-dimethoxyphenyl)-4-{2-[2-methoxy-5-(phenylcarbamoyl)phenyl]hydrazinylidene}-3-oxo-3,4-dihydronaphthalene-2-carboxamide;N-(4-chloro-2,5-dimethoxy-phenyl)-3-hydroxy-4-[2-methoxy-5-(phenylcarbamoyl)phenyl]azo-naphthalene-2-carboxamide;

Molecular Structure: