CAS: 2457-81-0 - 2-[(1,3-Dihydro-1,3-dioxo-2H-inden-2-ylidene)amino]-1H-indene-1,3(2H)-dione

Formula: C₁₈H₉NO₄

InChI: InChI=1S/C18H9NO4/c20-15-9-5-1-2-6-10(9)16(21)13(15)19-14-17(22)11-7-3-4-8-12(11)18(14)23/h1-8,13H

InChI key: InChIKey=FVOWBCMQMVMPSF-UHFFFAOYSA-N

SMILES: O=C1C(=NC2C(=O)C=3C=CC=CC3C2=O)C(=O)C=4C=CC=CC14

Synonyms:

• 1H-Indene-1,3(2H)-dione, 2-[(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)amino]-
• 2-[(1,3-Dihydro-1,3-dioxo-2H-inden-2-ylidene)amino]-1H-indene-1,3(2H)-dione
• 1,3-Indandione, 2,2′-nitrilodi-
• Protonated Ruhemann's purple

Ninhydrin Impurity 1 (DYDA)

CAS: 2457-81-07185-16-2

• Formula: C₁₈H₉NO₄
• Molecular weight: 303.27