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1428634-13-2

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1428634-13-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428634-13-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,6,3 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1428634-13:
(9*1)+(8*4)+(7*2)+(6*8)+(5*6)+(4*3)+(3*4)+(2*1)+(1*3)=162
162 % 10 = 2
So 1428634-13-2 is a valid CAS Registry Number.

1428634-13-2Downstream Products

1428634-13-2Relevant articles and documents

New fluorescent and colorimetric chemosensors based on the rhodamine detection of Hg2+ and Al3+ and application of imaging in living cells

Yan, Fanyong,Wang, Meng,Cao, Donglei,Yang, Ning,Fu, Yang,Chen, Li,Chen, Ligong

, p. 42 - 50 (2013/06/27)

Employing the "OffeOn" switching of the spirocyclic moiety in Rhodamine B derivatives, three sensors were designed and characterized as new fluorescent probes for detecting Hg2+ and Al3+ in the environment, respectively. The first probe exhibited chromogenic and fluorogenic selectivity to detection of Hg2+ in methanol-H2O (4:6, v/v, HEPES, pH 7.0). The first and second probes displayed fluorescence intensity enhancement following Hg2+ coordination with limits of detection for Hg2+ at the ppb level. The limit of detection based on 3 blank/k was calculated to be 2.5 × 10-8 M and 4.2 × 10-8 M, respectively. The third probe contained a benzyl group which resulted in better selectivity for Al3+. Job's plot clearly suggested the formation of 1:1 complexation behavior between the three probes and Hg 2+ or Al3+. The three probes can be used as a fluorescent probe for monitoring Hg2+ or Al3+ in living cells with satisfying results, which demonstrates the value of the probes in practical applications in environmental and biological systems.

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