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1309478-53-2

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1309478-53-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309478-53-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,4,7 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1309478-53:
(9*1)+(8*3)+(7*0)+(6*9)+(5*4)+(4*7)+(3*8)+(2*5)+(1*3)=172
172 % 10 = 2
So 1309478-53-2 is a valid CAS Registry Number.

1309478-53-2Relevant articles and documents

Chiral calcium catalysts for asymmetric hydroamination/cyclisation

Wixey, James S.,Ward, Benjamin D.

, p. 5449 - 5451 (2011/06/28)

Calcium complexes supported by chiral 1,2-diamines have been shown to be efficient catalysts for the asymmetric hydroamination of amino-olefin substrates; the calcium complexes [Ca(NNR){N(SiMe3) 2}(THF)] (R = tBu, iPr, Ph, 4-C 6H4F) give enantioselectivities of up to 26% which marks a significant increase based upon literature precedence. The structure of [Ca(NNPh){N(SiMe3)2}(py)] has been computed with density functional methods.

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