BTC tetrapotassium

Cat. No.: HY-137128: Data Sheet Handling Instructions Technical Support

BTC tetrapotassium is a low affinity calcium indicator (K_d 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.

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BTC tetrapotassium Chemical Structure

CAS No. : 216453-54-2

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Based on 1 publication(s) in Google Scholar

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Description	BTC tetrapotassium is a low affinity calcium indicator (K_d 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].
Molecular Weight	844.02
Formula	C₃₃H₂₅K₄N₃O₁₂S
CAS No.	216453-54-2
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
Shipping	Room temperature in continental US; may vary elsewhere.
Storage	Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation	Data Sheet (272 KB) Handling Instructions (2659 KB)
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. [Content Brief]