EGTA AM *CAS 99590-86-0*

Catalogue Number: 21005-AAT

Manufacturer:AAT Bioquest
Shelf Life:12 months
Type:Probes
Shipping Condition:RT
Unit(s): 10 mg

Description

Description: EGTA AM is cell-permeable version of EGTA (ethylene glycol tetraacetic acid), a cell-permeable calcium chelator. This EGTA derivative is used for adjusting calcium concentrations in cells and tissues. EGTA is an aminopolycarboxylic acid, a chelating agent. Compared to EDTA, EGTA has a lower affinity for magnesium, making it more selective for calcium ions. It is useful in buffer solutions that resemble the environment in living cells where calcium ions are usually at least a thousand fold less concentrated than magnesium. The pKa for binding of calcium ions by tetrabasic EGTA is 11.00, but the protonated forms do not significantly contribute to binding, so at pH 7, the apparent pKa becomes 6.91.

Additional Text

Storage Note

Freeze (< -15 °C);|12 months