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52498-53-0

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52498-53-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52498-53-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,4,9 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52498-53:
(7*5)+(6*2)+(5*4)+(4*9)+(3*8)+(2*5)+(1*3)=140
140 % 10 = 0
So 52498-53-0 is a valid CAS Registry Number.

52498-53-0Downstream Products

52498-53-0Relevant articles and documents

Mesoionic Carbene-Iridium Complex Catalyzed Ortho-Selective Hydrogen Isotope Exchange of Anilines with High Functional Group Tolerance

Cao, Lei,Huang, Linwei,Huang, Shiqing,Liu, Wei,Yan, Xiaoyu,Zhang, Gang,Zhang, Zengyu,Zhao, Peng

, (2020)

Mesoionic carbene-iridium complex 1a has been investigated in the hydrogen isotope exchange (HIE) reaction of anilines. By employing 1 mol % of 1a as catalyst, anilines were selectively deuterated at the ortho-position with high deuteration levels. High ortho-selectivity was observed for anilines with various competing directing groups, which is in contrast with catalytic results of Kerr's catalysts.

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