Product Specification and Analysis

 

PRODUCT NAME:

Furaptra (Potassium Salt)

 

 

 

C18H10N2O11K4

 

M.W. 587 g/mol

 

Kd = 570 nM

 

Store Frozen (-20°C)

 

PROTECT FROM LIGHT

 

Soluble in H2O (pH > 6)

 

DESCRIPTION:

 

Pale yellow solid. Mg2+ indicator with similar spectral response as fura-2.

 

CATALOG NUMBER:

 

0042

 

APPEARANCE:

 

Pale yellow solid

 

TLC :

 

Reverse phase (C18)

Rf = > 0.9

Purity:  100%

 

ABSORPTION SPECTRUM:

 

l max (low calcium) :   360 nm

Extinction: 33,000 M-1cm-1

 

 

EMISSION:

 

 l max (low calcium) :   510 nm

 

HPLC:

Solvent System:

Column:

 

Purity: > 95%

Water/MeOH gradient 40-100%

C18

 

Ref.: