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668463-75-0

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668463-75-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 668463-75-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,8,4,6 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 668463-75:
(8*6)+(7*6)+(6*8)+(5*4)+(4*6)+(3*3)+(2*7)+(1*5)=210
210 % 10 = 0
So 668463-75-0 is a valid CAS Registry Number.

668463-75-0Downstream Products

668463-75-0Relevant articles and documents

Cu(OTf)2-catalyzed asymmetric friedel-crafts alkylation reaction of indoles with arylidene malonates using bis(sulfonamide)-diamine ligands

Wu, Jing,Wang, Dongping,Wu, Fan,Wan, Boshun

, p. 5611 - 5617 (2013/07/26)

A highly efficient Cu-catalyzed asymmetric Friedel-Crafts alkylation reaction of indoles with arylidene malonates using simple, stable, and easily prepared bis-sulfonamide diamine ligands was developed. The desired products were obtained in up to 99% yiel

N,N′-Dioxide-scandium(III) complex catalyzed highly enantioselective Friedel-Crafts alkylation of indole to alkylidene malonates

Liu, Yanling,Zhou, Xin,Shang, Deju,Liu, Xiaohua,Feng, Xiaoming

experimental part, p. 1447 - 1457 (2010/04/02)

A highly efficient enantioselective Friedel-Crafts alkylation of indoles with alkylidene malonates has been developed using chiral N,N′-dioxide L4-scandium(III) complex as the catalyst, giving the corresponding products in high yields with excellent enant

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