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19157-12-1

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19157-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19157-12-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,5 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19157-12:
(7*1)+(6*9)+(5*1)+(4*5)+(3*7)+(2*1)+(1*2)=111
111 % 10 = 1
So 19157-12-1 is a valid CAS Registry Number.

19157-12-1Downstream Products

19157-12-1Relevant academic research and scientific papers

Nondirected Copper-Catalyzed Sulfoxidations of Benzylic C-H Bonds

Yu, Hao,Li, Zhen,Bolm, Carsten

, p. 2076 - 2079 (2018)

A copper-catalyzed sulfoxidation of benzylic C-H bonds by nondirected oxidative C(sp3)-H activation was developed. The process proceeds via sulfenate anions, which are generated by base-triggered elimination of β-sulfinyl esters and benzyl radicals. The functional group tolerance is high, and the product yields are good.

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