148224-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 148224-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,2,2 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 148224-55:
(8*1)+(7*4)+(6*8)+(5*2)+(4*2)+(3*4)+(2*5)+(1*5)=129
129 % 10 = 9
So 148224-55-9 is a valid CAS Registry Number.
148224-55-9Relevant articles and documents
Tetravinylpyrazine compound, method for preparing same and electroluminescent element and non-linear optical material using same
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, (2008/06/13)
Herein disclosed are a tetravinylpyrazine compound which has high light-emitting efficiency and thermal stability and which is represented by the following general formula (1): STR1 wherein R represents an aromatic ring or a heterocyclic ring; X represent