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124021-39-2

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124021-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124021-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,0,2 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 124021-39:
(8*1)+(7*2)+(6*4)+(5*0)+(4*2)+(3*1)+(2*3)+(1*9)=72
72 % 10 = 2
So 124021-39-2 is a valid CAS Registry Number.

124021-39-2Relevant articles and documents

Preparation of Allylic Acetates from Simple Alkenes by Palladium(II)-Catalyzed Acetoxylation

Hansson, Sverker,Heumann, Andreas,Rein, Tobias,Akermark, Bjoern

, p. 975 - 984 (2007/10/02)

The scope and limitations of palladium-catalyzed allylic acetoxylation has been investigated, using benzoquinone-manganese dioxide as the reoxidation system.Unsubstituted cycloalkenes gave good to excellent yields of allylic acetates.Total yields were also good for many substituted cycloalkenes and for linear alkenes, but these substrates generally gave several isomeric acetates.The exploratory mechanistic studies show that the acetoxylation can proceed via both 1,2-acetoxypalladation and η3-allylpalladium complex formation.The keen balance between these processes depends on the structure of the alkene.

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