2,3-Pyridinedicarbonitrile,1-oxide(9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 188426-44-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,4,2 and 6 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 188426-44: (8*1)+(7*8)+(6*8)+(5*4)+(4*2)+(3*6)+(2*4)+(1*4)=170 170 % 10 = 0 So 188426-44-0 is a valid CAS Registry Number.
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