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1217275-79-0

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1217275-79-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217275-79-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,2,7 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1217275-79:
(9*1)+(8*2)+(7*1)+(6*7)+(5*2)+(4*7)+(3*5)+(2*7)+(1*9)=150
150 % 10 = 0
So 1217275-79-0 is a valid CAS Registry Number.

1217275-79-0Relevant articles and documents

Highly efficient ion-tagged catalyst for the enantioselective Michael addition of aldehydes to nitroalkenes

Lombardo, Marco,Chiarucci, Michel,Quintavalla, Arianna,Trombini, Claudio

supporting information; experimental part, p. 2801 - 2806 (2010/04/05)

The ion-tagged diphenylprolinol silyl ether 6 very efficiently catalyzes the asymmetric Michael addition of aliphatic aldehydes to nitroalkenes with ee of up to > 99.5% at low catalyst loadings (0.25-5 mol%) and using only a slight excess of aldehydes (1.2-2 equiv.). This new organocatalyst can be used with the same outstanding efficiency in a wide variety of solvents and reaction coditions.

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