TRC | Details of CAS = 81238-58-6, ChemicalName = 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol], synonym = 19-[(2,4-dinitrophenyl)azo]-3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol (9CI); 19-[2-(2,4-Dinitrophenyl)diazenyl]-3,6,9,12,15-pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol, MolFormula = C₂₂H₂₆N₄O₁₀

Catalogue Number:	C825015
Chemical Name:	18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol]
Synonyms:	19-[(2,4-dinitrophenyl)azo]-3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol (9CI); 19-[2-(2,4-Dinitrophenyl)diazenyl]-3,6,9,12,15-pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol
CAS Number:	81238-58-6
Molecular Formula:	C₂₂H₂₆N₄O₁₀
Molecular Weight:	506.47
Applications:	18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] (CAS# 81238-58-6) is a crown ether derivative used in the enantiomeric determination of amines by square wave voltammetry using azophenolic crowns in aprotic solvent.
References:	Chun, K.; et al.: Anal. Chem., 78, 7597 (2006).

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