C.I. Natural Yellow 18
[CAS# 117-74-8]

Identification

• Name: C.I. Natural Yellow 18
• Synonyms: Berbinium, 7,8,13,13A-Tetradehydro-9,10-Dimethoxy-2,3-(Methylenedioxy)-, Hydroxi; Barberry Extract; Barberry Root
• Molecular Formula: C₂₀H₁₉NO₅
• Molecular Weight: 353.37
• CAS Registry Number: 117-74-8
• SMILES: C1=[N+]4C(=CC2=C1C(=C(C=C2)OC)OC)C3=CC5=C(C=C3CC4)OCO5.[OH-]
• InChI: 1S/C20H18NO4.H2O/c1-22-17-4-3-12-7-16-14-9-19-18(24-11-25-19)8-13(14)5-6-21(16)10-15(12)20(17)23-2;/h3-4,7-10H,5-6,11H2,1-2H3;1H2/q+1;/p-1
• InChIKey: GMMNRSJSVLUGRV-UHFFFAOYSA-M