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1133016-31-5

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1133016-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1133016-31-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,3,0,1 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1133016-31:
(9*1)+(8*1)+(7*3)+(6*3)+(5*0)+(4*1)+(3*6)+(2*3)+(1*1)=85
85 % 10 = 5
So 1133016-31-5 is a valid CAS Registry Number.

1133016-31-5Downstream Products

1133016-31-5Relevant academic research and scientific papers

An efficient synthetic route to substituted tetrahydropyrimidines by Cu(OTf)2-mediated nucleophilic ring-opening followed by the [4+2] cycloaddition of N-tosylazetidines with nitriles

Ghorai, Manas K.,Das, Kalpataru,Kumar, Amit

body text, p. 1105 - 1109 (2009/05/27)

A highly efficient strategy for Cu(OTf)2-mediated SN2 type nucleophilic ring-opening followed by the [4+2] cycloaddition reactions of a number of 2-aryl-N-tosylazetidines with nitriles to afford a variety of substituted tetrahydropyr

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