Product Description: 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[1].
Formula: C33H25K4N3O12S
References: [1]Hyrc KL, et al. Neuronal free calcium measurement using BTC/AM, a low affinity calcium indicator. Cell Calcium. 1998;24(3):165-175.
CAS Number: 216453-54-2
Molecular Weight: 844.02
Research Area: Others
Solubility: 10 mM in DMSO
Target: Fluorescent Dye