CAS Registry Number
CAS 85-83-6 — Sudan IV
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CAS No.85-83-6
FormulaC24H20N4O
Mol. weight380.40
Also known as: Biebrich scarlet R fat soluble · Fat Ponceau R or 4 · Lipid Crimson · Oil Red IV · Scarlet Red Scharlach · Solvent Red 24 · Sudan R or BB · Scarlet red
IUPAC: 1-[[2-methyl-4-[(2-methylphenyl)diazenyl]phenyl]diazenyl]naphthalen-2-ol
Available grades of CAS 85-83-6
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