Quin-2(potassium salt)

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Cas No.	73630-23-6
别名	2-[(2-氨基-5-甲基苯氧基)甲基]-6-甲氧基-8-氨基喹啉-N,N,N',N'-四乙酸四钾
Canonical SMILES	O=C([O-])CN(CC([O-])=O)C1=C2C(C=CC(COC3=C(N(CC([O-])=O)CC([O-])=O)C=CC(C)=C3)=N2)=CC(OC)=C1.[K+].[K+].[K+].[K+]
分子式	C₂₆H₂₃N₃O₁₀•4K
分子量	693.9
溶解度	Soluble in DMSO
储存条件	Store at -20°C
General tips	For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition	Evaluation sample solution : ship with blue ice All other available size: ship with RT , or blue ice upon request
产品描述	Quin-2 is a high-affinity fluorescent calcium indicator (Kd = 115 nM for calcium). It displays high selectivity for calcium, as it is not affected by sodium gradients, membrane potential, or intracellular pH. High affinity probes like quin-2 are ideal for monitoring low levels of calcium, as are found in resting cells. Loadings of up to 2 mM quin-2 are without serious toxic effects, so quin-2 may be used to buffer intracellular calcium transients. Excitation/emission maxima for quin-2 are 339 and 492 nm, respectively.