117620-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117620-53-8 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, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117620-53:
(8*1)+(7*1)+(6*7)+(5*6)+(4*2)+(3*0)+(2*5)+(1*3)=108
108 % 10 = 8
So 117620-53-8 is a valid CAS Registry Number.
117620-53-8Relevant articles and documents
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Gorgues,Stephan,Belyasmine,Khanous,Co
, p. 2817 - 2826 (2007/10/02)
Procedures for isolating acetylenedicarbaldehyde (ADCA) 1 in the pure state, or for obtaining this unstable compound in diluted aprotic solutions (CH2Cl2, CCl4, toluene) are detailed. They are based on the acidolysis of it