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1402818-90-9

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1402818-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1402818-90-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,8,1 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1402818-90:
(9*1)+(8*4)+(7*0)+(6*2)+(5*8)+(4*1)+(3*8)+(2*9)+(1*0)=139
139 % 10 = 9
So 1402818-90-9 is a valid CAS Registry Number.

1402818-90-9Downstream Products

1402818-90-9Relevant articles and documents

Characterization of a highly Cu2+-selective fluorescent probe derived from rhodamine B

Yu, Chunwei,Wang, Ting,Xu, Ke,Zhao, Jing,Li, Maohua,Weng, Shixing,Zhang, Jun

, p. 38 - 44 (2013)

A rhodamine B derivative was synthesized and characterized as a highly selective and sensitive probe for Cu2+ in ethanol-water solution (2:3, v:v, pH7.4, 50 mM HEPES). A prominent fluorescence enhancement at 575 nm was observed in the presence of Cu2+, accompanied by the change in the absorption spectrum. Under the optimal conditions, a good linear range of 0.5-1.5 μM with a detection limit of 1.6 × 10-7 M were obtained. Furthermore, confocal laser scanning microscopy experiments have proven that this probe is cell-permeable and can respond to changes in intracellular Cu2+ in living cells.

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