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4,5-Dimethyl-cyclohexa-1,4-diene-1,2-dicarbaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

117620-07-2

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117620-07-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117620-07-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,2 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117620-07:
(8*1)+(7*1)+(6*7)+(5*6)+(4*2)+(3*0)+(2*0)+(1*7)=102
102 % 10 = 2
So 117620-07-2 is a valid CAS Registry Number.

117620-07-2Downstream Products

117620-07-2Relevant academic research and scientific papers

Acetylenedicarbaldehyde: Isolation and some Examples of Exclusive Dienophilicity under Neutral Conditions

Stephan, Dominique,Gorgues, Alain,Belyasmine, Ahmed,Coq, Andre Le

, p. 263 - 264 (1988)

Acetylenedicarbaldehyde (1) is isolated in the pure state after acidolysis of its monoacetal (2) with an excess of formic acid followed by dehydration of residual HCO2H into CO with P2O5; under neutral conditions, (1) reacts with conjugated dienes as a dienophile only, in contrast to what occurs in acidic medium.

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