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105643-64-9

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105643-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105643-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,6,4 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 105643-64:
(8*1)+(7*0)+(6*5)+(5*6)+(4*4)+(3*3)+(2*6)+(1*4)=109
109 % 10 = 9
So 105643-64-9 is a valid CAS Registry Number.

105643-64-9Downstream Products

105643-64-9Relevant academic research and scientific papers

PREPARATION OF DIAMANTANEDICARBOXYLIC ACIDS WITH CARBONYL GROUPS ON ONE SECONDARY AND ONE TERTIARY CARBON ATOM

Vodicka, Ludek,Burkhard, Jiri,Janku, Josef

, p. 867 - 871 (2007/10/02)

Bromination of 3-diamantanecarboxylic acid leads to a mixture of bromodiamantanecarboxylic acids which on Koch-Haaf carbonylation at high dilution affords a mixture of diamantanedicarboxylic acids with one carbonyl on the secondary and the other on the tertiary carbon atom of the diamantane skeleton.At low dilution the Koch-Haaf carbonylation gives predominantly 3,9-diamantanedicarboxylic acid.

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