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1309657-91-7

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1309657-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309657-91-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,6,5 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1309657-91:
(9*1)+(8*3)+(7*0)+(6*9)+(5*6)+(4*5)+(3*7)+(2*9)+(1*1)=177
177 % 10 = 7
So 1309657-91-7 is a valid CAS Registry Number.

1309657-91-7Downstream Products

1309657-91-7Relevant academic research and scientific papers

Catalytic asymmetric synthesis of trisubstituted aziridines

Huang, Li,Wulff, William D.

, p. 8892 - 8895 (2011/08/04)

A method is described which provides for the direct asymmetric catalytic synthesis of trisubstituted aziridines from imines and diazo compounds. While unactivated imines were not reactive to α-diazo carbonyl compounds in which the diazo carbon was disubstituted, N-Boc imines react with both α-diazo esters and α-diazo-N-acyloxazolidinones to give trisubstituted aziridines with excellent diastereo- and enantioselectivities.

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