Product Specification and
Analysis
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[1,2-bis-(o-Aminophenoxy)ethane-N,N,N’,N’-tetraacetic acid, potassium] |
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PRODUCT NAME: |
BAPTA (Tetrapotassium
Salt) |
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C22H20N2O10K4 |
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M.W. 628.8 g/mol |
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Kd =
110 nM |
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Store Frozen
(-20°C) |
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PROTECT FROM
LIGHT |
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Soluble in H2O
(pH > 6) |
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DESCRIPTION: |
White solid. Ratiometric Ca2+ indicator having
a 105 fold greater affinity for Ca2+ than Mg2+.
After complexation with Ca2+ the absorption maximum shifts from
254 to 279 at pH > 6. |
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CATALOG
NUMBER: |
0101 |
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APPEARANCE: |
White Solid |
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TLC : |
Reverse phase (C18) Rf = > 0.9 Purity: 100% |
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ABSORPTION
SPECTRUM: |
l max (low
calcium): 254 nm Extinction: 5,000 M-1cm-1 |
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HPLC: Solvent
System: Column: |
Purity: >95% Water/MeOH gradient 40-100% C18 |
Ref.: