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1289642-97-2

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1289642-97-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289642-97-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,6,4 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1289642-97:
(9*1)+(8*2)+(7*8)+(6*9)+(5*6)+(4*4)+(3*2)+(2*9)+(1*7)=212
212 % 10 = 2
So 1289642-97-2 is a valid CAS Registry Number.

1289642-97-2Relevant articles and documents

Asymmetric synthesis of α-amino acids by reduction of N-tert-butanesulfinyl ketimine esters

Reddy, Leleti Rajender,Gupta, Aditya P.,Liu, Yugang

experimental part, p. 3409 - 3415 (2011/06/25)

A highly regio- and diastereoselective reduction of various N-tert-butanesulfinyl ketimine esters with L-Selectride resulting in the formation of α-amino acids is reported. This method is quite general and also practical for the preparation of both enantiomers of aryl or aliphatic α-amino acids in high yields.

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