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109139-10-8

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109139-10-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109139-10-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,3 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109139-10:
(8*1)+(7*0)+(6*9)+(5*1)+(4*3)+(3*9)+(2*1)+(1*0)=108
108 % 10 = 8
So 109139-10-8 is a valid CAS Registry Number.

109139-10-8Downstream Products

109139-10-8Relevant articles and documents

A Convenient Synthesis of Acyclic 1,n-Diketones (n=5-8) from 2-t-Butylperoxycycloalkanones

Nishinaga, Akira,Rindo, Katsuhiko,Matsuura, Teruo

, p. 1038 - 1041 (2007/10/02)

The reaction of organolithium with 2-alkyl-2-t-butylperoxycycloalkanones, readily available from t-butylperoxylation of 2-alkylcycloalkanones, gave 2-t-butylperoxy-1-cycloalkanol derivatives quantitatively, thermal decomposition of which with or without an acid afforded 1,n-diketones (n=5-8) in excellent yields.

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