Coumarin 343 azide|Coumarin 343 N3
This product will be discontinued soon in favor of Coumarin 343 X azide. We may still have some material in stock (please see availability above).
This greenish-blue emitting fluorophore can be used as a FRET donor for FAM. Azide derivative is suitable for Click Chemistry.
Coumarin 343 azide|Coumarin 343 N3
 
General properties:
Appearance:
yellow powder
Molecular weight:
441.48
Molecular formula:
C22H27N5O5
Solubility:
Good in organic solvents (DCM, chloroform, DMF, DMSO, MeCN, alcohols), poor in water
Quality control:
NMR 1H (95%) TLC, functional testing
Storage conditions:
Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light.
 
Spectral properties:
Excitation maximum, nm:
437
ε, L⋅mol−1⋅cm−1:
39000
Emission maximum, nm:
477
Fluorescence quantum yield:
0.63
CF260:
0.29
CF280:
0.24
 
产品列表：
Coumarin 343 X azide            Ex/Em:430nm-470nm
Coumarin azide                  Ex/Em:490nm-530nm
Coumarin azide                  Ex/Em:480nm-520nm
Coumarin 343 X NHS ester        Ex/Em:430nm-470nm
 
Coumarin NHS ester              Ex/Em:400nm-450nm
Coumarin NHS ester              Ex/Em:450nm-490nm
Coumarin NHS ester              Ex/Em:470nm-510nm
 
Coumarin 343 X alkyne           Ex/Em:430nm-470nm
Coumarin alkyne                 Ex/Em:410nm-460nm
 
Coumarin 343 X maleimide Ex/Em:430nm-470nm
Coumarin maleimide   Ex/Em:440nm-480nm
 
Coumarin 343 X carboxylic acid  Ex/Em:430nm-470nm
Coumarin carboxylic acid        Ex/Em:440nm-480nm
 
Coumarin 343 X amine Ex/Em:430nm-470nm
Coumarin amine       Ex/Em:440nm-480nm
 
Coumarin 343 X Thiol Ex/Em:430nm-470nm
Coumarin Thiol                  Ex/Em:440nm-480nm