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1266339-05-2

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1266339-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1266339-05-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,6,3,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1266339-05:
(9*1)+(8*2)+(7*6)+(6*6)+(5*3)+(4*3)+(3*9)+(2*0)+(1*5)=162
162 % 10 = 2
So 1266339-05-2 is a valid CAS Registry Number.

1266339-05-2Upstream product

1266339-05-2Downstream Products

1266339-05-2Relevant articles and documents

Enantioselective organocatalytic α-fluorination of cyclic ketones

Kwiatkowski, Piotr,Beeson, Teresa D.,Conrad, Jay C.,MacMillan, David W. C.

, p. 1738 - 1741 (2011)

The first highly enantioselective α-fluorination of ketones using organocatalysis has been accomplished. The long-standing problem of enantioselective ketone α-fluorination via enamine activation has been overcome via high-throughput evaluation of a new library of amine catalysts. The optimal system, a primary amine functionalized Cinchona alkaloid, allows the direct and asymmetric α-fluorination of a variety of carbo- and heterocyclic substrates. Furthermore, this protocol also provides diastereo-, regio-, and chemoselective catalyst control in fluorinations involving complex carbonyl systems.

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