CAS No: 12239-15-5, Chemical Name: Acid Yellow 49
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12239-15-5 Acid Yellow 49

product Name Acid Yellow 49
Synonyms C.I. Acid Yellow 49; Benzenesulfonic acid, 4-(2-(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl)-2,5-dichloro-2,5-dichloro-4-{(2Z)-2-[(5Z)-5-imino-3-methyl-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzenesulfonic acid; 4-(5-amino-3-methyl-1-phenyl-pyrazol-4-yl)azo-2,5-dichloro-benzenesulfonic acid
Molecular Formula C16H13Cl2N5O3S
Molecular Weight 426.2771
InChI InChI=1/C16H13Cl2N5O3S/c1-9-15(16(19)23(22-9)10-5-3-2-4-6-10)21-20-13-7-12(18)14(8-11(13)17)27(24,25)26/h2-8H,19H2,1H3,(H,24,25,26)
CAS Registry Number 12239-15-5
EINECS 235-473-4
Molecular Structure 12239-15-5 Acid Yellow 49
Density 1.62g/cm3
Refractive index 1.719
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