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编 号:F274486
分子式:C33H25K4N3O12S
分子量:844.02
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CAS No: 216453-54-2
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BTC tetrapotassium is a low affinity calcium indicator (Kd approximately 7-26 μM) featuring many desirable properties for cellular calcium imaging, including long excitation wavelengths (400/485 nm), low sensitivity to Mg2+, and accuracy of ratiometric measurement.