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Reference substances

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IUPAC name:
trisodium bis[3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxy-5-nitrobenzenesulphonato(3-)]chromate(3-)

Inventory

EC number:
260-892-4
EC name:
Trisodium bis[3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxy-5-nitrobenzenesulphonato(3-)]chromate(3-)
CAS number:
57674-14-3
CAS number:
57674-14-3
Synonyms
Names:
Identifier:
IUPAC name
Acid Red 357
trisodium bis [[(E)-3-hydroxy-2-((5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl)-4-nitrobenzenesulfonate (3-)] chromate (3-)]

Molecular and structural information

Molecular formula:
C32H20CrN10O14S2.3Na
Molecular weight:
953.66
Structural formula:
Chemical structure

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