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1646178-21-3

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1646178-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1646178-21-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,6,1,7 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1646178-21:
(9*1)+(8*6)+(7*4)+(6*6)+(5*1)+(4*7)+(3*8)+(2*2)+(1*1)=183
183 % 10 = 3
So 1646178-21-3 is a valid CAS Registry Number.

1646178-21-3Relevant articles and documents

Discovery and application of doubly quaternized cinchona-alkaloid-based phase-transfer catalysts

Xiang, Bangping,Belyk, Kevin M.,Reamer, Robert A.,Yasuda, Nobuyoshi

, p. 8375 - 8378 (2014/08/18)

We report the discovery of novel N,N'-disubstituted cinchona alkaloids as efficient phase-transfer catalysts for the assembly of stereogenic quaternary centers. In comparison to traditional cinchona-alkaloid-based phase-transfer catalysts, these new catal

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