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1287838-40-7

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1287838-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1287838-40-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,7,8,3 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1287838-40:
(9*1)+(8*2)+(7*8)+(6*7)+(5*8)+(4*3)+(3*8)+(2*4)+(1*0)=207
207 % 10 = 7
So 1287838-40-7 is a valid CAS Registry Number.

1287838-40-7Relevant articles and documents

Asymmetric synthesis of 1,3-diamines. II: Diastereoselective reduction of atropisomeric N-tert -butanesulfinylketimines

Martjuga, Marina,Belyakov, Sergey,Liepinsh, Edvards,Suna, Edgars

, p. 2635 - 2647 (2011/06/20)

Chiral, nonracemic o-aminobenzylamines were prepared in a highly diastereoselective reduction of atropisomeric N-tert-butanesulfinylketimines. The ortho-substituent ensures the distinct reactivity of atropisomers 4d-f. The free energy of activation for at

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