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1172116-59-4

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1172116-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1172116-59-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,1,1 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1172116-59:
(9*1)+(8*1)+(7*7)+(6*2)+(5*1)+(4*1)+(3*6)+(2*5)+(1*9)=124
124 % 10 = 4
So 1172116-59-4 is a valid CAS Registry Number.

1172116-59-4Downstream Products

1172116-59-4Relevant articles and documents

Heterobimetallic Ir-Sn catalysis: Aza-Friedel-Crafts reaction of N-sulfonyl aldimines

Chatterjee, Paresh Nath,Maity, Arnab Kumar,Mohapatra, Swapna Sarita,Roy, Sujit

, p. 2816 - 2826 (2013/04/10)

The heterobimetallic complex [Ir(COD)(SnCl3)Cl(μ-Cl)] 2 catalyzes the aza-Friedel-Crafts reaction of 1,3,5- trimethoxybenzene, as well as substituted indoles with N-sulfonyl aldimines leading to the formation of diarylamines and triarylmethanes in good yields. The symmetrical triarylmethanes were also obtained from diarylamines and suitable nucleophiles via simultaneous cleavage of sp3 C-N bond and elimination of 1,3,5-trimethoxybenzene.

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