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Ni(N4C20H8O2(C6H2(OCH3)3)4) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

720666-70-6

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720666-70-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 720666-70-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,0,6,6 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 720666-70:
(8*7)+(7*2)+(6*0)+(5*6)+(4*6)+(3*6)+(2*7)+(1*0)=156
156 % 10 = 6
So 720666-70-6 is a valid CAS Registry Number.

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