Fig. 1 · Structure
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BTC tetrapotassium
Calcium Indicator
BTC tetrapotassium is a cell-impermeant calcium indicator that targets calcium ions with a dissociation constant (Kd) of approximately 7-26 µM. This reagent exhibits several advantageous properties for cellular calcium imaging, including long excitation wavelengths at 400/485 nm and minimal interference from magnesium ions. Its reliability in providing accurate ratiometric measurements makes it a valuable tool for researchers investigating calcium dynamics in various biological systems.
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Specifications
| Manufacturer | Adooq Bioscience |
|---|---|
| CAS Number | 216453-54-2 |
| Applications | Calcium Indicator |
| Formula | C33H25K4N3O12S |
| Molecular Weight | 844.02 |
| 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 |
Storage & Solubility
In Vitro Solubility
Reported Solubility
No reported solubility data are available for this product.
Preparing Stock Solutions
| Concentration | |
|---|---|
Values use four significant digits. Prepare to the final solution volume; this is not the volume of solvent to add.
Stock preparation is unavailable for this product molecular weight.
Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.
Storage
Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.