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1,3-di-p-tolyl-5-(triphenyl-λ5-phosphanylidene)-pyrimidine-2,4,6-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20559-79-9

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20559-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20559-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,5,5 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20559-79:
(7*2)+(6*0)+(5*5)+(4*5)+(3*9)+(2*7)+(1*9)=109
109 % 10 = 9
So 20559-79-9 is a valid CAS Registry Number.

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