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423761-68-6

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423761-68-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 423761-68-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,3,7,6 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 423761-68:
(8*4)+(7*2)+(6*3)+(5*7)+(4*6)+(3*1)+(2*6)+(1*8)=146
146 % 10 = 6
So 423761-68-6 is a valid CAS Registry Number.

423761-68-6Relevant articles and documents

Asymmetric synthesis of polysubstituted 4-amino- and 3,4-diaminochromanes with a chiral multifunctional organocatalyst

Hou, Wenduan,Zheng, Bo,Chen, Jun,Peng, Yungui

supporting information; experimental part, p. 2378 - 2381 (2012/06/30)

A series of multifunctional catalysts with two chiral diaminocyclohexane units were developed and successfully applied in the asymmetric oxa-Michael-aza-Henry cascade reaction of salicylaldimines with nitroolefins. This approach provides a simple and effi

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