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1246665-68-8

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1246665-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1246665-68-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,6,6 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1246665-68:
(9*1)+(8*2)+(7*4)+(6*6)+(5*6)+(4*6)+(3*5)+(2*6)+(1*8)=178
178 % 10 = 8
So 1246665-68-8 is a valid CAS Registry Number.

1246665-68-8Relevant articles and documents

Influence of the reaction conditions on the evolution of the michael addition of β-keto sulfones to α,β-unsaturated aldehydes

Aleman, Jose,Marcos, Vanesa,Marzo, Leyre,Ruano, Jose Luis Garcia

experimental part, p. 4482 - 4491 (2010/10/02)

We have studied the influence of different reaction conditions on the conjugated addition of β-keto sulfones to a,βunsaturated aldehydes catalyzed by silyl prolinol ethers. Small changes in the starting material and/or in the experimental protocol are able to produce significant variations in the structures of the final products. The high chemical versatility of the resulting Michael adducts make possible their use in a variety of tandem and one-pot reactions to afford polysubstituted cyclic products bearing multiple chiral centers.

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