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1426677-83-9

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1426677-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1426677-83-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,6,6,7 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1426677-83:
(9*1)+(8*4)+(7*2)+(6*6)+(5*6)+(4*7)+(3*7)+(2*8)+(1*3)=189
189 % 10 = 9
So 1426677-83-9 is a valid CAS Registry Number.

1426677-83-9Relevant articles and documents

N-heterocyclic carbene-catalyzed enantioselective intramolecular N-tethered aldehyde-ketone benzoin reactions

Jia, Min-Qiang,You, Shu-Li

, p. 622 - 624 (2013/05/09)

The N-heterocyclic carbene-catalyzed enantioselective intramolecular benzoin reaction of N-tethered substrates was realized. With 15 mol % of d-camphor-derived triazolium salt E and 10 mol % of NaOAc, the aldehyde-ketone cross benzoin reactions of various substituted N-tethered substrates proceeded smoothly to afford dihydroquinolinone derivatives with a quaternary carbon stereocenter in moderate to good yields and excellent ee.

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