BTC (tetrapotassium)
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].
Product Specifications
CAS Number
[216453-54-2]
UNSPSC
12171500
Target
Fluorescent Dye
Related Pathways
Others
Field of Research
Others
Solubility
10 mM in DMSO
Smiles
O=C(O[K])CN(C(C=C(OC1=O)C(C=C1C2=NC3=CC=CC=C3S2)=C4)=C4OCCOC(C=C5C)=C(C=C5)N(CC(O[K])=O)CC(O[K])=O)CC(O[K])=O
Molecular Formula
C33H25K4N3O12S
Molecular Weight
844.02
References & Citations
[1]Hyrc KL, et al. Neuronal free calcium measurement using BTC/AM, a low affinity calcium indicator. Cell Calcium. 1998;24 (3) :165-175.
Shipping Conditions
Room temperature
Scientific Category
Dye Reagents
Clinical Information
No Development Reported
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