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1542075-20-6

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1542075-20-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1542075-20-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,4,2,0,7 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1542075-20:
(9*1)+(8*5)+(7*4)+(6*2)+(5*0)+(4*7)+(3*5)+(2*2)+(1*0)=136
136 % 10 = 6
So 1542075-20-6 is a valid CAS Registry Number.

1542075-20-6Downstream Products

1542075-20-6Relevant articles and documents

Enantio- and regioselective iridium-catalyzed allylic esterification

Qu, Jianping,Rossberg, Lydia,Helmchen, Guenter

, p. 1272 - 1275 (2014/02/14)

A highly enantioselective and regioselective Ir-catalyzed allylic esterification is described, in which branched allylic esters are synthesized directly. Carboxylates were used as nucleophiles and linear allylic phosphates as electrophiles. In some cases the allylic substitution reaction was found to be accompanied by a kinetic resolution process, which causes a change of the enantiomeric excess.

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