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INDIGO

I-073002

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Catalogue Number:	I-073002
Compound Name:	Indigo Carmine Impurity 1 Sodium Salt
Synonyms:	3,3'-dioxo-[2,2'-biindolinylidene]-5-sulfonate, sodium salt (1:1)
CAS#:	27414-69-3
Alternate CAS#:	605-18-5 (free acid)
Molecular Formula:	C₁₆H₉N₂O₅S. Na
Molecular Weight:	341.32 22.99

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