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>N-Protected Amino-Aldehydes
 
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>Squaric Acid Derivatives
 
>N-Protected Olefin-Derivatives
 
 
graphch/sq.gif
 
                 
Code   Chemical Name   Formula Order No. Quantity Price  
 
SQ001 3-Ethoxy-4-[(2-hydroxyethyl)-
amino]-3-cyclobuten-1,2-dione,
97%+
C8H11O4
m.w. 185.18
131588-93-7		 graphch/SQ001.gif  SQ001.1
 SQ001.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ002 3-Ethoxy-4-[2-(4-hydroxyphenyl)-
ethylamino]-3-cyclobutene-
1,2-dione, 97%+
C14H15NO4
m.w. 261.27
131588-95-9		 graphch/SQ002.gif  SQ002.1
 SQ002.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ003 (+/-)-3-Ethoxy-4-[2-carboxy-
2-(4-hydroxyphenyl)ethyl
amino]-3-cyclobutene-1,2-
dione, 97%+
C15H15NO6
m.w. 305.28
[ - ]		 graphch/SQ003.gif  SQ003.1
 SQ003.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ004 (+/-)-3-Ethoxy-4-[2-carboxy-
2-(4-borono-phenyl)ethylamino]-
3-cyclobutene-1,2-dione,
97%+
C15H16BNO7
m.w. 333.10
[ - ]		 graphch/SQ004.gif  SQ004.1
 SQ004.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ005 3-Ethoxy-4[(2-pyridin-2-ylethyl)-
amino]cyclobut-3-ene-1,2-
dione, 97%+
C13H14N2O3
m.w. 246.26
[ - ]		 graphch/SQ005.gif  SQ005.1
 SQ005.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ006 4-[(2-Ethoxy-3,4-dioxocyclobut-
1-enyl)amino]benzoic acid,
97%+
C13H11NO5
m.w. 261.23
175204-30-5		 graphch/SQ006.gif  SQ006.1
 SQ006.2		  0.25 g
1 g		   59 €
189 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ007 3-Ethoxy-4-[(4-nitrobenzyl)-
amino]-3-cyclobuten-1,2-dione,
97%+
C13H12N2O5
m.w. 276.25
131588-93-7		 graphch/SQ007.gif  SQ007.1
 SQ007.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ008 3-Ethoxy-4-[2-(5-imidazolyl)-
ethylamino]-3-cyclobutene-
1,2-dione, 97%+
C11H13N3O3
m.w. 235.24
131589-00-9		 graphch/SQ008.gif  SQ008.1
 SQ008.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ009 3-Ethoxy-4-[(2S)-2-(hydroxymethyl)-
pyrrolidino]-3-cyclobutene-
1,2-dione, 97%+
C11H15NO4
m.w. 225.24
131589-06-5		 graphch/SQ009.gif  SQ009.1
 SQ009.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ010 (+/-)-3-Ethoxy-4-[2'-(3''-
indolyl)-ethylamino]-3-cyclobutene-
1,2-dione, 97%+
C16H16N2O3
m.w. 284.31
131589-01-0		 graphch/SQ010.gif  SQ010.1
 SQ010.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
Code Chemical Name Formula Order No. Quantity Price  
 
SQ011 1[(2-Ethoxy-3,4-dioxocyclobut-
1-en-1-yl)amino]cyclopentyl]-
acetic acid, 97%+
C13H17NO5
m.w. 267.28
[ - ]		 graphch/SQ011.gif  SQ011.1
 SQ011.2		  0.05 g
0.25 g		   129 €
389 €		 
Details  
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