CAS NO:2512-29-0

EC NO:219-730-8

Molecular Formula:C₁₇H₁₆O₄N₄

Molecular Weight:340.3333

Synonyms:;C.I. 11680;C.I. Pigment Yellow 1;2-(4-Methyl-2-nitrophenylazo)-N-phenyl-3-oxobutanamide;Butanamide,2-[(4-methyl-2-nitrophenyl)azo]-3-oxo-N-phenyl-;EXT. D & C Yellow No.5;Hanza Yellow;Pigment Yellow 1;2-[(E)-(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide;(2E)-2-[2-(4-methyl-2-nitrophenyl)hydrazinylidene]-3-oxo-N-phenylbutanamide;Pigment Hansa Yellow G;

Molecular Structure:

CAS NO:6486-23-3

EC NO:229-355-1

Molecular Formula:C₁₆H₁₂Cl₂N₄O₄

Molecular Weight:395.1969

Synonyms:C.I. 11710;C.I. Pigment Yellow 3;C.I. Pigment Yellow 3 (VAN) (8CI);Pigment Yellow 3;2-[(E)-(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide;2-(4-chloro-2-nitro-phenyl)azo-N-(2-chlorophenyl)-3-oxo-butanamide;

Molecular Structure: